From nobody Fri Jul 1 09:10:55 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 58EDF12D759 for ; Fri, 1 Jul 2016 09:10:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.999 X-Spam-Level: X-Spam-Status: No, score=-101.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2v6i4lcfxGou for ; Fri, 1 Jul 2016 09:10:52 -0700 (PDT) Received: from mail-qk0-x229.google.com (mail-qk0-x229.google.com [IPv6:2607:f8b0:400d:c09::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BDB7212D756 for ; Fri, 1 Jul 2016 09:10:52 -0700 (PDT) Received: by mail-qk0-x229.google.com with SMTP id t127so209686820qkf.1 for ; Fri, 01 Jul 2016 09:10:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=eKOpMTc1wA/ODPOiKxac/a+/uL+UfqSfMwcoGTNV+4A=; b=aQfIyOgSZ2t1weRTnk0rJB3i370icw4eY8ZK+O8q17MyMnDU+2K8sSAl9YJYztt/pH 0RLf4ehrpXJnf9cUZY7ibp8Skoj1j0rFQelZSUVVXitPgm2s5usTUT8Bz6drRRi6EXYd Yc+WCHypJoglkrt0HSjSdKL7hRP8qFug9WYP13iOm3wkGDH/EKtMh4yAAl+pgX4gKv2n frnS2rWHOohtJ26cl7TeB/zP7Z8wD1weFAZb0vpTRlHZWw7rKMceRbQIXq6WXsGTiane YwxGrsxWESD7nVoPO5wJAvf2cOGJJPdQi3KyNB42GSmGyzVlp6BCxpvIg5S567NDMrHi qfyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=eKOpMTc1wA/ODPOiKxac/a+/uL+UfqSfMwcoGTNV+4A=; b=dqby8qy18YmFF20d0epnBKkPQNPhAwNY8DeNnenKgBI2w00l3Xgyzs0rBQu2zHAyRn gG5uVVc2h04r0N+akYZo/mh9ynZvCNCeFFW/620lFONI+UBJ1c/GLrVsBsj7cZ+D1WkR AnBj8JI1eLAsnUurEiX1qHP9CM4F+Be6Prn3vZtLa7Fi2Lhf3uDOW/sn1vvET1tqbOn0 sJyrweGesiUn0gbBXFjjuG+q8G/YRedfmszW6OpVemMKClhwAbce7q9n/ULl3pf6mxAJ UWCj61py7J9pLMK4Q0FVZ1PMumBYXwOOd2N7yYvPjf29rU24yi/EaLeTZ9oFVWm/e00v bJVA== X-Gm-Message-State: ALyK8tIyCFGkeDYfEhn2tPBzcp2v6zYdvjj6pdCCO2oE4+emLuMNvYoSQfEUkKromcg8lugdv6qR2XnD/9riBg== X-Received: by 10.55.87.194 with SMTP id l185mr28917095qkb.204.1467389451719; Fri, 01 Jul 2016 09:10:51 -0700 (PDT) MIME-Version: 1.0 Received: by 10.200.57.81 with HTTP; Fri, 1 Jul 2016 09:10:51 -0700 (PDT) From: Alia Atlas Date: Fri, 1 Jul 2016 12:10:51 -0400 Message-ID: To: OSPF List Content-Type: multipart/alternative; boundary=001a114e7322045ac30536953b5e Archived-At: Subject: [OSPF] draft-ietf-ospf-transition-to-ospfv3-11 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Jul 2016 16:10:54 -0000 --001a114e7322045ac30536953b5e Content-Type: text/plain; charset=UTF-8 There were a couple clarifications - most notably clarifying the pseudo-header being used to calculate the checksum. I have approved the draft to proceed to the RFC Editor, but would recommend those interested read this version. Obviously, if necessary, clarifications are still possible during AUTH48. Regards, Alia --001a114e7322045ac30536953b5e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
There were a couple clarifications - most notably clarifyi= ng the pseudo-header being used to calculate the checksum.

I have approved the draft to proceed to the RFC Editor, but would recomm= end those interested
read this version.

= Obviously, if necessary, clarifications are still possible during AUTH48.

Regards,
Alia
--001a114e7322045ac30536953b5e-- From nobody Fri Jul 1 13:56:14 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E58A12D5D7 for ; Fri, 1 Jul 2016 13:56:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.946 X-Spam-Level: X-Spam-Status: No, score=-15.946 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.426, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MpamgVg5RQrD for ; Fri, 1 Jul 2016 13:56:11 -0700 (PDT) Received: from rcdn-iport-8.cisco.com (rcdn-iport-8.cisco.com [173.37.86.79]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5C21612D11C for ; 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Fri, 1 Jul 2016 17:38:34 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.25.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160702003834.24645.88567.idtracker@ietfa.amsl.com> Date: Fri, 01 Jul 2016 17:38:34 -0700 Archived-At: Cc: ospf@ietf.org Subject: [OSPF] I-D Action: draft-ietf-ospf-transition-to-ospfv3-12.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Jul 2016 00:38:34 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP of the IETF. Title : OSPFv3 over IPv4 for IPv6 Transition Authors : I. Chen A. Lindem R. Atkinson Filename : draft-ietf-ospf-transition-to-ospfv3-12.txt Pages : 11 Date : 2016-07-01 Abstract: This document defines a mechanism to use IPv4 to transport OSPFv3 packets. Using OSPFv3 over IPv4 with the existing OSPFv3 Address Family extension can simplify transition from an OSPFv2 IPv4-only routing domain to an OSPFv3 dual-stack routing domain. This document updates RFC 5838 to support virtual links in the IPv4 unicast address family when using OSPFv3 over IPv4. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-transition-to-ospfv3/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ospf-transition-to-ospfv3-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-transition-to-ospfv3-12 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJIsWRmVeSWpSXmKPExsUyuXRPlG7N9+pwgz3fBC0mv53HbPFkzg0W i47mtywW6y6fYrO4tXQlq0XLvXvsFn+be9gd2D2m/N7I6rFkyU8mjw+bmtkCmKO4bFJSczLL Uov07RK4Mn6d3MBS0CFZcf7lNLYGxi0SXYycHBICJhLTfu9khLDFJC7cW8/WxcjFISRwlFHi Rd9sZghnGaPExru/WUCq2ASMJF5s7GEHsUUEQiS6J39gBCliFrjGKLH40RawhLBAoMT8W6dZ IIqCJD7Of8sMYRtJ/Jw7BayGRUBF4sL9l2A1vAK+Eiu7ToDVCAk4Suy68QjM5hRwklg2fQLY eYxA530/tYYJxGYWEJe49WQ+E8TZAhJL9pxnhrBFJV4+/scKYStJTFp6DsjmAKrXlFi/Sx+i VVFiSvdDdoi1ghInZz5hmcAoNgvJ1FkIHbOQdMxC0rGAkWUVI0dpcUFObrqR4SZGYIQdk2Bz 3MG4t9fzEKMAB6MSD++Cr9XhQqyJZcWVuYcYJTiYlUR4330CCvGmJFZWpRblxxeV5qQWH2KU 5mBREufVf6kYLiSQnliSmp2aWpBaBJNl4uCUamDM/JEub/9um8b1+ITKD9tdJfcnFbky2drM 38WfJbr2ZVBBqFD1psjFf3qqprx49UhEWcCg2duOr7bmUoulvUPC+ya5Hg/2N9Yqs8o3ME2d vPnEpqDly7kPFd/O0j7ovu0U67c6q5LqNZrLHaP8fh32F1wWkC2z8fJXoT8eFhKxxyclPs8r y1BiKc5INNRiLipOBACx/h1lrAIAAA== Archived-At: Cc: "ospf@ietf.org" , "CCAMP \(ccamp@ietf.org\)" , "tictoc@ietf.org" Subject: [OSPF] FW: New Version Notification for 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<20160705191347.22415.94936.idtracker@ietfa.amsl.com> Date: Tue, 05 Jul 2016 12:13:47 -0700 Archived-At: Cc: draft-ietf-ospf-transition-to-ospfv3@ietf.org, "wenhu.lu@gmail.com" , ospf@ietf.org, The IESG , ospf-chairs@ietf.org, rfc-editor@rfc-editor.org Subject: [OSPF] Protocol Action: 'OSPFv3 over IPv4 for IPv6 Transition' to Proposed Standard (draft-ietf-ospf-transition-to-ospfv3-12.txt) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jul 2016 19:13:47 -0000 The IESG has approved the following document: - 'OSPFv3 over IPv4 for IPv6 Transition' (draft-ietf-ospf-transition-to-ospfv3-12.txt) as Proposed Standard This document is the product of the Open Shortest Path First IGP Working Group. The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-transition-to-ospfv3/ Technical Summary This document specifies a mechanism to transport OSPFv3 packets over IPv4 routing domain using the existing OSPFv3 Address Family extension. It simplifies transition from an OSPFv2 IPv4-only routing domain to an OSPFv3 dual-stack routing domain. It updates RFC 5838 to support virtual links in the IPv4 unicast address family when using OSPFv3 over IPv4. Working Group Summary This document brings in deployment benefit with little change to OSPFv3 protocol and no impact to IPv4 transport. It received strong support for WG acceptance. There has not been any more comments since WGLC. Document Quality Most questions were raised and addressed during the I.D stage. Since then the draft is stable, without changes to the technical solution for more than six months. Personnel Wenhu Lu is the Document Shepherd. Alia Atlas is the Responsible Area Director. From nobody Tue Jul 5 22:52:24 2016 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 22CA512B03D; Tue, 5 Jul 2016 22:52:22 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.25.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160706055222.22302.7452.idtracker@ietfa.amsl.com> Date: Tue, 05 Jul 2016 22:52:22 -0700 Archived-At: Cc: ospf@ietf.org Subject: [OSPF] I-D Action: draft-ietf-ospf-ospfv2-hbit-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jul 2016 05:52:22 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP of the IETF. Title : H-bit Support for OSPFv2 Authors : Keyur Patel Padma Pillay-Esnault Manish Bhardwaj Serpil Bayraktar Filename : draft-ietf-ospf-ospfv2-hbit-01.txt Pages : 8 Date : 2016-07-05 Abstract: OSPFv3 defines an option field for router-LSAs known as a R-bit in RFC5340. If the R-bit is clear, an OSPFv3 router can participate in OSPF topology distribution without acting as a forwarder to forward the transit traffic. In such cases, an OSPF router would only accept traffic intended for local delivery. This draft defines R-bit functionality for OSPFv2 defined in RFC2328. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv2-hbit/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ospf-ospfv2-hbit-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv2-hbit-01 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Jul 6 02:46:35 2016 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 4EB9212D0AF; Wed, 6 Jul 2016 02:46:33 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.25.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160706094633.7773.68567.idtracker@ietfa.amsl.com> Date: Wed, 06 Jul 2016 02:46:33 -0700 Archived-At: Cc: ospf@ietf.org Subject: [OSPF] I-D Action: draft-ietf-ospf-segment-routing-extensions-09.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jul 2016 09:46:33 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP of the IETF. Title : OSPF Extensions for Segment Routing Authors : Peter Psenak Stefano Previdi Clarence Filsfils Hannes Gredler Rob Shakir Wim Henderickx Jeff Tantsura Filename : draft-ietf-ospf-segment-routing-extensions-09.txt Pages : 32 Date : 2016-07-06 Abstract: Segment Routing (SR) allows a flexible definition of end-to-end paths within IGP topologies by encoding paths as sequences of topological sub-paths, called "segments". These segments are advertised by the link-state routing protocols (IS-IS and OSPF). This draft describes the OSPF extensions required for Segment Routing. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-segment-routing-extensions/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-segment-routing-extensions-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Jul 6 03:50:15 2016 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 29B4E12D1A4; Wed, 6 Jul 2016 03:50:10 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.25.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160706105010.7867.81967.idtracker@ietfa.amsl.com> Date: Wed, 06 Jul 2016 03:50:10 -0700 Archived-At: Cc: ospf@ietf.org Subject: [OSPF] I-D Action: draft-ietf-ospf-ospfv3-segment-routing-extensions-06.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jul 2016 10:50:10 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP of the IETF. Title : OSPFv3 Extensions for Segment Routing Authors : Peter Psenak Stefano Previdi Clarence Filsfils Hannes Gredler Rob Shakir Wim Henderickx Jeff Tantsura Filename : draft-ietf-ospf-ospfv3-segment-routing-extensions-06.txt Pages : 33 Date : 2016-07-06 Abstract: Segment Routing (SR) allows for a flexible definition of end-to-end paths within IGP topologies by encoding paths as sequences of topological sub-paths, called "segments". These segments are advertised by the link-state routing protocols (IS-IS and OSPF). This draft describes the OSPFv3 extensions that are required for Segment Routing. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv3-segment-routing-extensions/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ospf-ospfv3-segment-routing-extensions-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv3-segment-routing-extensions-06 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Jul 6 14:01:17 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 52C9812D59A for ; Wed, 6 Jul 2016 14:01:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.947 X-Spam-Level: X-Spam-Status: No, score=-15.947 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.426, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oko4XZXaV_y7 for ; 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Wed, 6 Jul 2016 22:03:18 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-014.cisco.com (64.101.220.154) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Wed, 6 Jul 2016 18:03:17 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1210.000; Wed, 6 Jul 2016 18:03:17 -0400 From: "Acee Lindem (acee)" To: OSPF WG List Thread-Topic: Review for "OSPF Extensions to Support Maximally Redundant Trees" Thread-Index: AQHR19IzRRFYcvHd9kqsSQ3h/hZPvw== Date: Wed, 6 Jul 2016 22:03:17 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: text/plain; charset="utf-8" Content-ID: <9A6E5C761954664F94C4E7A37C4481C8@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Cc: "draft-ietf-ospf-mrt@ietf.org" Subject: [OSPF] Review for "OSPF Extensions to Support Maximally Redundant Trees" X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jul 2016 22:03:21 -0000 UGxlYXNlIHJldmlldyB0aGUgc3ViamVjdCBkcmFmdCBhcyB3ZSBpbnRlbmQgdG8gV0cgbGFzdCBj YWxsIGl0IHNob3J0bHkuDQpUaGUgY29tcGFuaW9uIGRvY3VtZW50cyBoYXZlIGJlZW4gcHVibGlz aGVkIGluIHRoZSBSVEdXRyBhcyBSRkMgNzgxMSBhbmQNClJGQyA3ODEyLiANCg0KaHR0cHM6Ly93 d3cuaWV0Zi5vcmcvaWQvZHJhZnQtaWV0Zi1vc3BmLW1ydC0wMi50eHQNCg0KVGhhbmtzLA0KQWNl ZSANCg0K From nobody Thu Jul 7 03:37:59 2016 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 499E512D08D; Thu, 7 Jul 2016 03:37:57 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.25.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160707103757.23638.82216.idtracker@ietfa.amsl.com> Date: Thu, 07 Jul 2016 03:37:57 -0700 Archived-At: Cc: ospf@ietf.org Subject: [OSPF] I-D Action: draft-ietf-ospf-link-overload-02.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jul 2016 10:37:57 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP of the IETF. Title : OSPF Link Overload Authors : Shraddha Hegde Pushpasis Sarkar Hannes Gredler Mohan Nanduri Luay Jalil Filename : draft-ietf-ospf-link-overload-02.txt Pages : 11 Date : 2016-07-07 Abstract: When a link is being prepared to be taken out of service, the traffic needs to be diverted from both ends of the link. Increasing the metric to the highest metric on one side of the link is not sufficient to divert the traffic flowing in the other direction. It is useful for routers in an OSPFv2 or OSPFv3 routing domain to be able to advertise a link being in an overload state to indicate impending maintenance activity on the link. This information can be used by the network devices to re-route the traffic effectively. This document describes the protocol extensions to disseminate link overload information in OSPFv2 and OSPFv3. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-link-overload/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ospf-link-overload-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-link-overload-02 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Jul 7 15:34:13 2016 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 5D72612D0EB; Thu, 7 Jul 2016 15:34:12 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.25.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160707223412.18679.99593.idtracker@ietfa.amsl.com> Date: Thu, 07 Jul 2016 15:34:12 -0700 Archived-At: Cc: ospf@ietf.org Subject: [OSPF] I-D Action: draft-ietf-ospf-yang-05.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jul 2016 22:34:12 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP of the IETF. Title : Yang Data Model for OSPF Protocol Authors : Derek Yeung Yingzhen Qu Jeffrey Zhang Dean Bogdanovic Kiran Koushik Agrahara Sreenivasa Filename : draft-ietf-ospf-yang-05.txt Pages : 116 Date : 2016-07-07 Abstract: This document defines a YANG data model that can be used to configure and manage OSPF. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-yang/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-ospf-yang-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-yang-05 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Sat Jul 9 08:11:07 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E3CEE12B03D for ; Sat, 9 Jul 2016 08:11:05 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.947 X-Spam-Level: X-Spam-Status: No, score=-15.947 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.426, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Mt3v36rgowhb for ; 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Tue, 12 Jul 2016 17:49:15 -0700 (PDT) Received: from rfc-editor.org (rfc-editor.org [4.31.198.49]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8185912DB69; Tue, 12 Jul 2016 17:49:03 -0700 (PDT) Received: by rfc-editor.org (Postfix, from userid 30) id 60C8AB813A5; Tue, 12 Jul 2016 17:49:03 -0700 (PDT) To: ietf-announce@ietf.org, rfc-dist@rfc-editor.org X-PHP-Originating-Script: 1005:ams_util_lib.php From: rfc-editor@rfc-editor.org Message-Id: <20160713004903.60C8AB813A5@rfc-editor.org> Date: Tue, 12 Jul 2016 17:49:03 -0700 (PDT) Archived-At: Cc: drafts-update-ref@iana.org, ospf@ietf.org, rfc-editor@rfc-editor.org Subject: [OSPF] RFC 7884 on OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection (S-BFD) Target Discriminators X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 00:49:24 -0000 A new Request for Comments is now available in online RFC libraries. RFC 7884 Title: OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection (S-BFD) Target Discriminators Author: C. Pignataro, M. Bhatia, S. Aldrin, T. Ranganath Status: Standards Track Stream: IETF Date: July 2016 Mailbox: cpignata@cisco.com, manav@ionosnetworks.com, aldrin.ietf@gmail.com, trilok.ranganatha@nokia.com Pages: 7 Characters: 13612 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-ospf-sbfd-discriminator-06.txt URL: https://www.rfc-editor.org/info/rfc7884 DOI: http://dx.doi.org/10.17487/RFC7884 This document defines a new OSPF Router Information (RI) TLV that allows OSPF routers to flood the Seamless Bidirectional Forwarding Detection (S-BFD) Discriminator values associated with a target network identifier. This mechanism is applicable to both OSPFv2 and OSPFv3. This document is a product of the Open Shortest Path First IGP Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC From nobody Tue Jul 12 18:06:29 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7F0F012D0E1 for ; Tue, 12 Jul 2016 18:06:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.808 X-Spam-Level: X-Spam-Status: No, score=-15.808 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eYy7n_5KoCES for ; Tue, 12 Jul 2016 18:06:27 -0700 (PDT) Received: from alln-iport-3.cisco.com (alln-iport-3.cisco.com [173.37.142.90]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C638612B053 for ; 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13 Jul 2016 01:06:26 +0000 Received: from XCH-RTP-019.cisco.com (xch-rtp-019.cisco.com [64.101.220.159]) by rcdn-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id u6D16P1P013138 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 13 Jul 2016 01:06:25 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-019.cisco.com (64.101.220.159) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 12 Jul 2016 21:06:24 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1210.000; Tue, 12 Jul 2016 21:06:25 -0400 From: "Acee Lindem (acee)" To: "Carlos Pignataro (cpignata)" , Manav Bhatia , Sam Aldrin , "Trilok Ranganatha" Thread-Topic: [OSPF] RFC 7884 on OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection (S-BFD) Target Discriminators Thread-Index: AQHR3KEGNSe5vmTWvUG2OPY0d+nzpaAVjEaA Date: Wed, 13 Jul 2016 01:06:24 +0000 Message-ID: References: <20160713004903.60C8AB813A5@rfc-editor.org> In-Reply-To: <20160713004903.60C8AB813A5@rfc-editor.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: text/plain; charset="utf-8" Content-ID: <21E763C97CDE1D4E92E4F24F6E10D525@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Cc: "ospf@ietf.org" Subject: Re: [OSPF] RFC 7884 on OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection (S-BFD) Target Discriminators X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 01:06:28 -0000 VGhhbmtzIENhcmxvcywgTWFuYXYsIFNhbSwgYW5kIFRyaWxvay4NCg0KT24gNy8xMi8xNiwgODo0 OSBQTSwgIk9TUEYgb24gYmVoYWxmIG9mIHJmYy1lZGl0b3JAcmZjLWVkaXRvci5vcmciDQo8b3Nw Zi1ib3VuY2VzQGlldGYub3JnIG9uIGJlaGFsZiBvZiByZmMtZWRpdG9yQHJmYy1lZGl0b3Iub3Jn PiB3cm90ZToNCg0KPkEgbmV3IFJlcXVlc3QgZm9yIENvbW1lbnRzIGlzIG5vdyBhdmFpbGFibGUg aW4gb25saW5lIFJGQyBsaWJyYXJpZXMuDQo+DQo+ICAgICAgICANCj4gICAgICAgIFJGQyA3ODg0 DQo+DQo+ICAgICAgICBUaXRsZTogICAgICBPU1BGIEV4dGVuc2lvbnMgdG8gQWR2ZXJ0aXNlIFNl YW1sZXNzDQo+ICAgICAgICAgICAgICAgICAgICBCaWRpcmVjdGlvbmFsIEZvcndhcmRpbmcgRGV0 ZWN0aW9uIChTLUJGRCkgVGFyZ2V0DQo+ICAgICAgICAgICAgICAgICAgICBEaXNjcmltaW5hdG9y cw0KPiAgICAgICAgQXV0aG9yOiAgICAgQy4gUGlnbmF0YXJvLCBNLiBCaGF0aWEsDQo+ICAgICAg ICAgICAgICAgICAgICBTLiBBbGRyaW4sIFQuIFJhbmdhbmF0aA0KPiAgICAgICAgU3RhdHVzOiAg ICAgU3RhbmRhcmRzIFRyYWNrDQo+ICAgICAgICBTdHJlYW06ICAgICBJRVRGDQo+ICAgICAgICBE YXRlOiAgICAgICBKdWx5IDIwMTYNCj4gICAgICAgIE1haWxib3g6ICAgIGNwaWduYXRhQGNpc2Nv LmNvbSwNCj4gICAgICAgICAgICAgICAgICAgIG1hbmF2QGlvbm9zbmV0d29ya3MuY29tLA0KPiAg ICAgICAgICAgICAgICAgICAgYWxkcmluLmlldGZAZ21haWwuY29tLA0KPiAgICAgICAgICAgICAg ICAgICAgdHJpbG9rLnJhbmdhbmF0aGFAbm9raWEuY29tDQo+ICAgICAgICBQYWdlczogICAgICA3 DQo+ICAgICAgICBDaGFyYWN0ZXJzOiAxMzYxMg0KPiAgICAgICAgVXBkYXRlcy9PYnNvbGV0ZXMv U2VlQWxzbzogICBOb25lDQo+DQo+ICAgICAgICBJLUQgVGFnOiAgICBkcmFmdC1pZXRmLW9zcGYt c2JmZC1kaXNjcmltaW5hdG9yLTA2LnR4dA0KPg0KPiAgICAgICAgVVJMOiAgICAgICAgaHR0cHM6 Ly93d3cucmZjLWVkaXRvci5vcmcvaW5mby9yZmM3ODg0DQo+DQo+ICAgICAgICBET0k6ICAgICAg ICBodHRwOi8vZHguZG9pLm9yZy8xMC4xNzQ4Ny9SRkM3ODg0DQo+DQo+VGhpcyBkb2N1bWVudCBk ZWZpbmVzIGEgbmV3IE9TUEYgUm91dGVyIEluZm9ybWF0aW9uIChSSSkgVExWIHRoYXQNCj5hbGxv d3MgT1NQRiByb3V0ZXJzIHRvIGZsb29kIHRoZSBTZWFtbGVzcyBCaWRpcmVjdGlvbmFsIEZvcndh cmRpbmcNCj5EZXRlY3Rpb24gKFMtQkZEKSBEaXNjcmltaW5hdG9yIHZhbHVlcyBhc3NvY2lhdGVk IHdpdGggYSB0YXJnZXQNCj5uZXR3b3JrIGlkZW50aWZpZXIuICBUaGlzIG1lY2hhbmlzbSBpcyBh cHBsaWNhYmxlIHRvIGJvdGggT1NQRnYyIGFuZA0KPk9TUEZ2My4NCj4NCj5UaGlzIGRvY3VtZW50 IGlzIGEgcHJvZHVjdCBvZiB0aGUgT3BlbiBTaG9ydGVzdCBQYXRoIEZpcnN0IElHUCBXb3JraW5n DQo+R3JvdXAgb2YgdGhlIElFVEYuDQo+DQo+VGhpcyBpcyBub3cgYSBQcm9wb3NlZCBTdGFuZGFy ZC4NCj4NCj5TVEFOREFSRFMgVFJBQ0s6IFRoaXMgZG9jdW1lbnQgc3BlY2lmaWVzIGFuIEludGVy bmV0IFN0YW5kYXJkcyBUcmFjaw0KPnByb3RvY29sIGZvciB0aGUgSW50ZXJuZXQgY29tbXVuaXR5 LCBhbmQgcmVxdWVzdHMgZGlzY3Vzc2lvbiBhbmQNCj5zdWdnZXN0aW9ucw0KPmZvciBpbXByb3Zl bWVudHMuICBQbGVhc2UgcmVmZXIgdG8gdGhlIGN1cnJlbnQgZWRpdGlvbiBvZiB0aGUgT2ZmaWNp YWwNCj5JbnRlcm5ldCBQcm90b2NvbCBTdGFuZGFyZHMgKGh0dHBzOi8vd3d3LnJmYy1lZGl0b3Iu b3JnL3N0YW5kYXJkcykgZm9yDQo+dGhlIA0KPnN0YW5kYXJkaXphdGlvbiBzdGF0ZSBhbmQgc3Rh dHVzIG9mIHRoaXMgcHJvdG9jb2wuICBEaXN0cmlidXRpb24gb2YgdGhpcw0KPm1lbW8gaXMgdW5s aW1pdGVkLg0KPg0KPlRoaXMgYW5ub3VuY2VtZW50IGlzIHNlbnQgdG8gdGhlIElFVEYtQW5ub3Vu Y2UgYW5kIHJmYy1kaXN0IGxpc3RzLg0KPlRvIHN1YnNjcmliZSBvciB1bnN1YnNjcmliZSwgc2Vl DQo+ICBodHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lldGYtYW5ub3VuY2UN Cj4gIGh0dHBzOi8vbWFpbG1hbi5yZmMtZWRpdG9yLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3JmYy1k aXN0DQo+DQo+Rm9yIHNlYXJjaGluZyB0aGUgUkZDIHNlcmllcywgc2VlIGh0dHBzOi8vd3d3LnJm Yy1lZGl0b3Iub3JnL3NlYXJjaA0KPkZvciBkb3dubG9hZGluZyBSRkNzLCBzZWUgaHR0cHM6Ly93 d3cucmZjLWVkaXRvci5vcmcvcmV0cmlldmUvYnVsaw0KPg0KPlJlcXVlc3RzIGZvciBzcGVjaWFs IGRpc3RyaWJ1dGlvbiBzaG91bGQgYmUgYWRkcmVzc2VkIHRvIGVpdGhlciB0aGUNCj5hdXRob3Ig b2YgdGhlIFJGQyBpbiBxdWVzdGlvbiwgb3IgdG8gcmZjLWVkaXRvckByZmMtZWRpdG9yLm9yZy4g IFVubGVzcw0KPnNwZWNpZmljYWxseSBub3RlZCBvdGhlcndpc2Ugb24gdGhlIFJGQyBpdHNlbGYs IGFsbCBSRkNzIGFyZSBmb3INCj51bmxpbWl0ZWQgZGlzdHJpYnV0aW9uLg0KPg0KPg0KPlRoZSBS RkMgRWRpdG9yIFRlYW0NCj5Bc3NvY2lhdGlvbiBNYW5hZ2VtZW50IFNvbHV0aW9ucywgTExDDQo+ DQo+DQo+X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj5P U1BGIG1haWxpbmcgbGlzdA0KPk9TUEZAaWV0Zi5vcmcNCj5odHRwczovL3d3dy5pZXRmLm9yZy9t YWlsbWFuL2xpc3RpbmZvL29zcGYNCg0K From nobody Wed Jul 13 04:17:12 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AB32712DDF4 for ; Wed, 13 Jul 2016 04:17:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.62 X-Spam-Level: X-Spam-Status: No, score=-2.62 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id s79UDIzJ1rY8 for ; Wed, 13 Jul 2016 04:17:10 -0700 (PDT) Received: from mx0a-000f0801.pphosted.com (mx0a-000f0801.pphosted.com [67.231.144.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8A39612DE22 for ; Wed, 13 Jul 2016 04:16:01 -0700 (PDT) Received: from pps.filterd (m0048193.ppops.net [127.0.0.1]) by mx0a-000f0801.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u6DB7qMl024772 for ; Wed, 13 Jul 2016 04:15:39 -0700 Received: from brmwp-exmb12.corp.brocade.com ([208.47.132.227]) by mx0a-000f0801.pphosted.com with ESMTP id 245dx118bm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 13 Jul 2016 04:15:38 -0700 Received: from BRMWP-EXMB11.corp.brocade.com (172.16.59.77) by BRMWP-EXMB12.corp.brocade.com (172.16.59.130) with Microsoft SMTP Server (TLS) id 15.0.1156.6; Wed, 13 Jul 2016 05:15:21 -0600 Received: from BRMWP-EXMB11.corp.brocade.com ([fe80::39a0:e6f2:6a5c:18a9]) by BRMWP-EXMB11.corp.brocade.com ([fe80::39a0:e6f2:6a5c:18a9%23]) with mapi id 15.00.1156.000; Wed, 13 Jul 2016 05:15:21 -0600 From: Radha Danda To: "ospf@ietf.org" Thread-Topic: Forwarding address set for type-5 Thread-Index: AdHcFMgb2YvjBbMXTSS8ihl1XYxZfgAIIpygADCcLMA= Date: Wed, 13 Jul 2016 11:15:21 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.252.128.3] Content-Type: multipart/alternative; boundary="_000_e371373fe61c4ea6a99d561ea4317e4cBRMWPEXMB11corpbrocadec_" MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-13_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 impostorscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607130125 Archived-At: Subject: [OSPF] FW: Forwarding address set for type-5 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 11:17:12 -0000 --_000_e371373fe61c4ea6a99d561ea4317e4cBRMWPEXMB11corpbrocadec_ Content-Type: text/plain; charset="us-ascii" Hi All, I need clarification on setting the Forwarding address set for type-5 LSA. As per RFC 2328 it is not obviously mentioned anywhere that the forwarding address can be set to connected, inter-area or intra-area routers but in the section 16.4 (Calculating AS external routes) it is mentioned that the forwarding address can be set to inter-area or intra-area as well. Snippet from the RFC is provided below for quick reference. Can you please confirm if the forwarding address can be set to ospf connected, inter-area or intra-area route while generating external LSA. Thanks. ********************************** If the forwarding address is non-zero, look up the forwarding address in the routing table.[24] The matching routing table entry must specify an intra-area or inter-area path; if no such path exists, do nothing with the LSA and consider the next in the list. ****************************** Best Regards, Radha --_000_e371373fe61c4ea6a99d561ea4317e4cBRMWPEXMB11corpbrocadec_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi All, 

I need clarification on setting the Forwarding address set for type-5 =
LSA. As per RFC 2328 it is not obviously mentioned anywhere that the forwar=
ding address can be set to connected, inter-area or intra-area routers but =
in the section 16.4 (Calculating AS external ro=
utes) it is mentioned that the forwarding address can be set to inter-area =
or intra-area as well. Snippet from the RFC is provided below for quick ref=
erence. Can you please confirm if the forwarding address can be set to ospf=
 connected, inter-area or intra-area route while generating external LSA. T=
hanks.

 

**********************************

If the forwarding address is non-zero, look up= the

       &nbs= p;    forwarding address in the routing table.[24] The match= ing

       &nbs= p;    routing table entry must specify an intra-area or inte= r-area

       &nbs= p;    path; if no such path exists, do nothing with the LSA = and

       &nbs= p;    consider the next in the list.

******************************

 

Best Regards,

Radha

--_000_e371373fe61c4ea6a99d561ea4317e4cBRMWPEXMB11corpbrocadec_-- From nobody Wed Jul 13 04:19:04 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D565912DE39 for ; Wed, 13 Jul 2016 04:19:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6Gb58Q_E4SXq for ; Wed, 13 Jul 2016 04:19:01 -0700 (PDT) Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [67.231.152.113]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 19F7B12DDCE for ; Wed, 13 Jul 2016 04:18:08 -0700 (PDT) Received: from pps.filterd (m0048192.ppops.net [127.0.0.1]) by mx0b-000f0801.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u6DBHXTV010444 for ; Wed, 13 Jul 2016 04:17:53 -0700 Received: from brmwp-exmb11.corp.brocade.com ([208.47.132.227]) by mx0b-000f0801.pphosted.com with ESMTP id 245ae4sx7x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 13 Jul 2016 04:17:53 -0700 Received: from BRMWP-EXMB11.corp.brocade.com (172.16.59.77) by BRMWP-EXMB11.corp.brocade.com (172.16.59.77) with Microsoft SMTP Server (TLS) id 15.0.1156.6; Wed, 13 Jul 2016 05:17:50 -0600 Received: from BRMWP-EXMB11.corp.brocade.com ([fe80::39a0:e6f2:6a5c:18a9]) by BRMWP-EXMB11.corp.brocade.com ([fe80::39a0:e6f2:6a5c:18a9%23]) with mapi id 15.00.1156.000; Wed, 13 Jul 2016 05:17:50 -0600 From: Radha Danda To: "ospf@ietf.org" Thread-Topic: Forwarding address set for type-5 Thread-Index: AdHcFMgb2YvjBbMXTSS8ihl1XYxZfgAIIpygADCcLMAAAAsBMA== Date: Wed, 13 Jul 2016 11:17:50 +0000 Message-ID: <350de9e1678a41428ae012a393e7065c@BRMWP-EXMB11.corp.brocade.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.252.128.3] Content-Type: multipart/alternative; boundary="_000_350de9e1678a41428ae012a393e7065cBRMWPEXMB11corpbrocadec_" MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-13_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 impostorscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607130124 Archived-At: Subject: Re: [OSPF] Forwarding address set for type-5 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 11:19:03 -0000 --_000_350de9e1678a41428ae012a393e7065cBRMWPEXMB11corpbrocadec_ Content-Type: text/plain; charset="us-ascii" Hi All, One more point to add, I could not find any scenario where next-hop (forwarding-address) could be from inter-area or intra-area route. If any scenarios on this could also be much useful. Thank you. Best Regards, Radha From: Radha Danda Sent: Wednesday, July 13, 2016 4:45 PM To: ospf@ietf.org Subject: FW: Forwarding address set for type-5 Hi All, I need clarification on setting the Forwarding address set for type-5 LSA. As per RFC 2328 it is not obviously mentioned anywhere that the forwarding address can be set to connected, inter-area or intra-area routers but in the section 16.4 (Calculating AS external routes) it is mentioned that the forwarding address can be set to inter-area or intra-area as well. Snippet from the RFC is provided below for quick reference. Can you please confirm if the forwarding address can be set to ospf connected, inter-area or intra-area route while generating external LSA. Thanks. ********************************** If the forwarding address is non-zero, look up the forwarding address in the routing table.[24] The matching routing table entry must specify an intra-area or inter-area path; if no such path exists, do nothing with the LSA and consider the next in the list. ****************************** Best Regards, Radha --_000_350de9e1678a41428ae012a393e7065cBRMWPEXMB11corpbrocadec_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi All,

One more point to add,= I could not find any scenario where next-hop (forwarding-address) could be= from inter-area or intra-area route. If any scenarios on this could also b= e much useful. Thank you.

 

Best Regards,

Radha

 

From: Radha Danda
Sent: Wednesday, July 13, 2016 4:45 PM
To: ospf@ietf.org
Subject: FW: Forwarding address set for type-5

 

Hi All, 

I need clarification on setting the Forwarding address set for type-5 =
LSA. As per RFC 2328 it is not obviously mentioned anywhere that the forwar=
ding address can be set to connected, inter-area or intra-area routers but =
in the section 16.4 (Calculating AS external ro=
utes) it is mentioned that the forwarding address can be set to inter-area =
or intra-area as well. Snippet from the RFC is provided below for quick ref=
erence. Can you please confirm if the forwarding address can be set to ospf=
 connected, inter-area or intra-area route while generating external LSA. T=
hanks.

 

**********************************

If the forwarding address is non-zero, look up= the

       &nbs= p;    forwarding address in the routing table.[24] The match= ing

       &nbs= p;    routing table entry must specify an intra-area or inte= r-area

       &nbs= p;    path; if no such path exists, do nothing with the LSA = and

       &nbs= p;    consider the next in the list.

******************************

 

Best Regards,

Radha

--_000_350de9e1678a41428ae012a393e7065cBRMWPEXMB11corpbrocadec_-- From nobody Wed Jul 13 04:45:55 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0C79E12DD4A for ; Wed, 13 Jul 2016 04:45:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.807 X-Spam-Level: X-Spam-Status: No, score=-15.807 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id J3CwXXhqaSEK for ; 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AQHR3PwaXm8y5VG7+EaCNXtDO1/J2w== Date: Wed, 13 Jul 2016 11:45:50 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: multipart/alternative; boundary="_000_D3ABA0CA6B844aceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] FW: Forwarding address set for type-5 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 11:45:54 -0000 --_000_D3ABA0CA6B844aceeciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGkgUmFkaGEsDQpUaGUgZm9yd2FyZGluZyBhZGRyZXNzIChuZXh0LWhvcCkgZm9yIGFuIEFTLUV4 dGVybmFsIExTQSBtYXkgYmUgYWR2ZXJ0aXNlZCBpZiBpdCBpcyByZWFjaGFibGUgdmlhIGFuIE9T 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localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3R_DFpDmxDDm for ; Wed, 13 Jul 2016 05:11:08 -0700 (PDT) Received: from mail-lf0-x22a.google.com (mail-lf0-x22a.google.com [IPv6:2a00:1450:4010:c07::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A64C712DC68 for ; Wed, 13 Jul 2016 05:11:07 -0700 (PDT) Received: by mail-lf0-x22a.google.com with SMTP id b199so37939843lfe.0 for ; Wed, 13 Jul 2016 05:11:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=tO/dGCGcYeGfChnpXa35pqtfqbao+5eFtnbh2SeT5EQ=; b=Vq/34LtZak8lTiHzwUiYrlwzg92tQ12fvz3qcgBr4HZh5M9b38OegrKBxQjiS/wLoX ehMcNQdhc5wZdSqKINuOCkgJ0s45DnI/Bzw0XPpYJlmuPcxmQUWUCW/yq8zOA8D+lCot Tz6YpRARaOz0zKAxxlIsvVCFYm2YFrWHCeW2s61Fe/rWwgD0zgA0Q3MiDjOm0xJq/AUJ 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05:11:05 -0700 (PDT) From: Abhinay R Date: Wed, 13 Jul 2016 17:41:05 +0530 Message-ID: To: ospf@ietf.org Content-Type: multipart/alternative; boundary=001a11411b86a2333a053783477f Archived-At: Subject: [OSPF] I have a question regarding forwarding address X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 12:11:10 -0000 --001a11411b86a2333a053783477f Content-Type: text/plain; charset=UTF-8 Hi All, I have a question on when forwarding address is set in external LSA? Suppose I have a route from RIP say 100.1.1.0/24 with nexthop 10.1.1.1 in routing table and I want to redistribute that route into OSPF, then I feel below conditions must be vaild to set 10.1.1.1 as forwarding address in the external LSA that OSPF originates for 100.1.1.0/24 network. These conditions set the forwarding address field to a non-zero address: OSPF is enabled on the ASBR's next hop interface AND ASBR's next hop interface is non-passive under OSPF AND ASBR's next hop interface is not point-to-point AND ASBR's next hop interface is not point-to-multipoint AND ASBR's next hop interface address falls under the network range specified in the router ospf command. Any other conditions besides these set the forwarding address to 0.0.0.0. If I have 10.1.1.0/24 network as intra or inter route in OSPF routing table at the router that imported RIP route, do I originate External LSA with 10.1.1.1 set as forwarding address ? There is a confusion that if the redistributed network nexthop is present in routing table as intra inter or connected route, we need to set it as forwarding address. Please clarify. While we receive a External LSA with forwarding address set, then we see if there is a connected, intra or inter route to that nexthop and then use it to compute the route nexthop. This is clear. Thanks & Regards, Abhinay R --001a11411b86a2333a053783477f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi All,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 I have a question = on when forwarding address is set in external LSA?=C2=A0

Suppose I have a route from RIP say = 100.1.1.0/24 with nexthop 10.1.1.1 in routing table and I want to redis= tribute that route into OSPF, then I feel below conditions must be vaild to= set 10.1.1.1 as forwarding address in the external LSA that OSPF originate= s for 100.1.1.0/24 network.
<= br>
These conditions set the forwarding address field =
to a non-zero address:

    OSPF is enabled on the ASBR's next hop interface AND

    ASBR's next hop interface is non-passive under OSPF AND

    ASBR's next hop interface is not point-to-point AND

    ASBR's next hop interface is not point-to-multipoint AND

    ASBR's next hop interface address falls under the network range spe=
cified in the router ospf command.

Any other conditions besides these set the forwarding address to 0.0.0.0.

If I have 10.1.1.0/24 network as intra or inter route in OSPF routing table at= the router that imported RIP route, do I originate External LSA with 10.1.= 1.1 set as forwarding address ?


The= re is a confusion that if the redistributed network nexthop is present in r= outing table as intra inter or connected route, we need to set it as forwar= ding address. Please clarify.


While= we receive a External LSA with forwarding address set, then we see if ther= e is a connected, intra or inter route to that nexthop and then use it to c= ompute the route nexthop. This is clear.

Thanks &a= mp; Regards,
Abhinay R
--001a11411b86a2333a053783477f-- From nobody Wed Jul 13 05:25:15 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E6C2112DF2A for ; Wed, 13 Jul 2016 05:25:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XBW2xOf3O5Lg for ; Wed, 13 Jul 2016 05:25:12 -0700 (PDT) Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [IPv6:2620:100:9005:71::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EA9E112DF44 for ; Wed, 13 Jul 2016 05:25:08 -0700 (PDT) Received: from pps.filterd (m0000700.ppops.net [127.0.0.1]) by mx0b-000f0801.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u6DCNpaK020700; Wed, 13 Jul 2016 05:25:07 -0700 Received: from brmwp-exmb11.corp.brocade.com ([208.47.132.227]) by mx0b-000f0801.pphosted.com with ESMTP id 242xw3vp1f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 13 Jul 2016 05:25:06 -0700 Received: from BRMWP-EXMB11.corp.brocade.com (172.16.59.77) by BRMWP-EXMB11.corp.brocade.com (172.16.59.77) with Microsoft SMTP Server (TLS) id 15.0.1156.6; Wed, 13 Jul 2016 06:25:05 -0600 Received: from BRMWP-EXMB11.corp.brocade.com ([fe80::39a0:e6f2:6a5c:18a9]) by BRMWP-EXMB11.corp.brocade.com ([fe80::39a0:e6f2:6a5c:18a9%23]) with mapi id 15.00.1156.000; Wed, 13 Jul 2016 06:25:05 -0600 From: Radha Danda To: "Acee Lindem (acee)" , "ospf@ietf.org" Thread-Topic: [OSPF] FW: Forwarding address set for type-5 Thread-Index: AQHR3PwaXm8y5VG7+EaCNXtDO1/J26AWSTN8 Date: Wed, 13 Jul 2016 12:25:04 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Content-Type: multipart/alternative; boundary="_000_sppt8mc9ffsk53cfsb34lmfx1468412697471emailandroidcom_" MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-13_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 impostorscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607130133 Archived-At: Subject: Re: [OSPF] FW: Forwarding address set for type-5 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 12:25:14 -0000 --_000_sppt8mc9ffsk53cfsb34lmfx1468412697471emailandroidcom_ Content-Type: text/plain; charset="us-ascii" Thank you Acee Best Regards , Radha -------- Original message -------- From: "Acee Lindem (acee)" Date:13/07/2016 5:15 PM (GMT+05:30) To: Radha Danda , ospf@ietf.org Subject: Re: [OSPF] FW: Forwarding address set for type-5 Hi Radha, The forwarding address (next-hop) for an AS-External LSA may be advertised if it is reachable via an OSPF inter-area or intra-area route. You included connected routes in your question and this is not necessarily correct since a connected route will only be accessible to other OSPF routers in the domain if it is advertised in OSPF. For NSSA LSAs, the next-hop should be reachable via an intra-area route in the NSSA. Some implementations limit the advertising to the case where the next-hop is on a multi-access network. Hope this helps, Acee From: OSPF > on behalf of Radha Danda > Date: Wednesday, July 13, 2016 at 7:15 AM To: OSPF WG List > Subject: [OSPF] FW: Forwarding address set for type-5 Hi All, I need clarification on setting the Forwarding address set for type-5 LSA. As per RFC 2328 it is not obviously mentioned anywhere that the forwarding address can be set to connected, inter-area or intra-area routers but in the section 16.4 (Calculating AS external routes) it is mentioned that the forwarding address can be set to inter-area or intra-area as well. Snippet from the RFC is provided below for quick reference. Can you please confirm if the forwarding address can be set to ospf connected, inter-area or intra-area route while generating external LSA. Thanks. ********************************** If the forwarding address is non-zero, look up the forwarding address in the routing table.[24] The matching routing table entry must specify an intra-area or inter-area path; if no such path exists, do nothing with the LSA and consider the next in the list. ****************************** Best Regards, Radha --_000_sppt8mc9ffsk53cfsb34lmfx1468412697471emailandroidcom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thank you Acee

Best Regards , 
Radha



-------- Original message --------
From: "Acee Lindem (acee)"
Date:13/07/2016 5:15 PM (GMT+05:30)
To: Radha Danda , ospf@ietf.org
Subject: Re: [OSPF] FW: Forwarding address set for type-5

Hi Radha, 
The forwarding address (next-hop) for an AS-External LSA may be advert= ised if it is reachable via an OSPF inter-area or intra-area route. You inc= luded connected routes  in your question and this is not necessarily c= orrect since a connected route will only be accessible to other OSPF routers in the domain if it is advertised in O= SPF. For NSSA LSAs, the next-hop should be reachable via an intra-area rout= e in the NSSA. 

Some implementations limit the advertising to the case where the next-= hop is on a multi-access network. 

Hope this helps, 
Acee 



From: OSPF <ospf-bounces@ietf.org> on behalf of Radha Danda= <rdanda@Brocade.com>
Date: Wednesday, July 13, 2016 at 7= :15 AM
To: OSPF WG List <ospf@ietf.org>
Subject: [OSPF] FW: Forwarding addr= ess set for type-5

Hi All, 

I need clarification on setting the Forwarding address set for type-5 =
LSA. As per RFC 2328 it is not obviously mentioned anywhere that the forwar=
ding address can be set to connected, inter-area or intra-area routers but =
in the section 16.4 (Calculating AS external ro=
utes) it is mentioned that the forwarding address can be set to inter-area =
or intra-area as well. Snippet from the RFC is provided below for quick ref=
erence. Can you please confirm if the forwarding address can be set to ospf=
 connected, inter-area or intra-area route while generating external LSA. T=
hanks.

 

**********************************

If the forwarding address is non-zero, look = up the

       &n= bsp;    forwarding address in the routing table.[24] The mat= ching

       &n= bsp;    routing table entry must specify an intra-area or in= ter-area

       &n= bsp;    path; if no such path exists, do nothing with the LS= A and

       &n= bsp;    consider the next in the list.

******************************

 

Best Regards,

Radha

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, "ospf@ietf.org" Thread-Topic: [OSPF] I have a question regarding forwarding address Thread-Index: AQHR3P+rJceEXzopTEuIVn697hQTUKAWY4KA Date: Wed, 13 Jul 2016 13:59:24 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: multipart/alternative; boundary="_000_D3ABBF936B96Eaceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] I have a question regarding forwarding address X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 13:59:41 -0000 --_000_D3ABBF936B96Eaceeciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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"ospf@ietf.org" Thread-Topic: [OSPF] I have a question regarding forwarding address Thread-Index: AQHR3P+rJceEXzopTEuIVn697hQTUKAWY4KAgAADBgA= Date: Wed, 13 Jul 2016 14:10:13 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: multipart/alternative; boundary="_000_D3ABC3166B9A1aceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] I have a question regarding forwarding address X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 14:19:55 -0000 --_000_D3ABC3166B9A1aceeciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=k5iVt+2uK89ssNLNye1iDy7ujvLIvRSdjhDTRTr0/R8=; b=0dm+5I/xmIe9KilUupG/fq5ih4c4Ww4giTnbjXoZ9UBC4fqGPXSjC3IjpDAnn7uX1k I5Th4n98p0Z2c1uI5If36CLVqeBoCKd/lhnWXcWCZ6rS8AWi90oqthoqySWPvcgP9CsT CrRnP7gM3+z2FEZ6Ln0jE3oDPYQREgbTnF6AjsK7UL8ojsRU95cQlH9dClQ8rUcV8hkm xYAmFpdFp46vQgfKIi0hMxd8J/pOsI2055GyCYJ5YYKsdhkqPBDftmUHQhVH/M8YJ+Xy 3dsBz0rz2/YKGK158a53O/579WgTBSuwb2s9gzz54ECjLPHjCkswouMDftQMTN+Gd6P2 vqQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=k5iVt+2uK89ssNLNye1iDy7ujvLIvRSdjhDTRTr0/R8=; b=UY6l44NfkXZumgwGds+eqpoMP2B8Jpq74JU8KideOaWTNKEZuvEnkmj4LbW+sXd9hq BfVTCec66Zs6q+er32g1FrI6oUAWBXVuLllIINzrn46vE4h/gy8ing/U+D9XouA3zp3o crUEqwQ/fKXfQCxEQg7LAHxysCX6pJ1Fz5VAihMspxvEXzNcvx2ZzUetUIQ/uWA47lF2 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--001a1142bb4a34f753053785e6b1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Acee, According to "12.4.4. AS-external-LSAs" where forwarding address example is given, I see that it states forwarding address will just help to skip a extra hop to destination. And don't you think if forwarding address is set to inter area nexthop, then if that inter area route gets deleted. it will take time for that change to reach the ASBR and then ASBR to compute the change and originate new External LSA with no forwarding address.and this need to be flooded across the AS and new route need to be installed in them, which will be time consuming. So don't you think that forwarding address must be set if the next hop is part of connected network ? and is there any scenario where the nexthop will be intra or inter area route, until the nexthop is explicitly set with routemap. 12.4.4.1. Examples of AS-external-LSAs Consider once again the AS pictured in Figure 6. There are two AS boundary routers: RT5 and RT7. Router RT5 originates three AS-external-LSAs, for networks N12-N14. Router RT7 originates two AS-external-LSAs, for networks N12 and N15. Assume that RT7 has learned its route to N12 via BGP, and that it wishes to advertise a Type 2 metric to the AS. RT7 would then originate the following LSA for N12: ; AS-external-LSA for Network N12, ; originated by Router RT7 LS age =3D 0 ;always true on origination Options =3D (E-bit) ; LS type =3D 5 ;AS-external-LSA Link State ID =3D N12's IP network number Advertising Router =3D Router RT7's ID bit E =3D 1 ;Type 2 metric metric =3D 2 Forwarding address =3D 0.0.0.0 Moy Standards Track [Page 140] =0C RFC 2328 OSPF Version 2 April 1998 In the above example, the forwarding address field has been set to 0.0.0.0, indicating that packets for the external destination should be forwarded to the advertising OSPF router (RT7). This is not always desirable. Consider the example pictured in Figure 16. There are three OSPF routers (RTA, RTB and RTC) connected to a common network. Only one of these routers, RTA, is exchanging BGP information with the non-OSPF router RTX. RTA must then originate AS- external-LSAs for those destinations it has learned from RTX. By using the AS-external-LSA's forwarding address field, RTA can specify that packets for these destinations be forwarded directly to RTX. * Without this feature, Routers RTB and RTC would take an extra hop to get to these destinations.* Note that when the forwarding address field is non- zero, it should point to a router belonging to another Autonomous System. A forwarding address can also be specified for the default route. For example, in figure 16 RTA may want to specify that all externally-destined packets should by default be forwarded to its BGP peer RTX. The resulting AS-external-LSA is pictured below. Note that the Link State ID is set to DefaultDestination. ; Default route, originated by Router RTA ; Packets forwarded through RTX LS age =3D 0 ;always true on origination Options =3D (E-bit) ; LS type =3D 5 ;AS-external-LSA Link State ID =3D DefaultDestination ; default route Advertising Router =3D Router RTA's ID bit E =3D 1 ;Type 2 metric metric =3D 1 Forwarding address =3D RTX's IP address In figure 16, suppose instead that both RTA and RTB exchange BGP information with RTX. In this case, Moy Standards Track [Page 141] =0C RFC 2328 OSPF Version 2 April 1998 RTA and RTB would originate the same set of AS- external-LSAs. These LSAs, if they specify the same metric, would be functionally equivalent since they would specify the same destination and forwarding address (RTX). This leads to a clear duplication of effort. If only one of RTA or RTB originated the set of AS-external-LSAs, the routing would remain the same, and the size of the link state database would decrease. However, it must be unambiguously defined as to which router originates the LSAs (otherwise neither may, or the identity of the originator may oscillate). The following rule is thereby established: if two routers, both reachable from one another, originate functionally equivalent AS-external-LSAs (i.e., same destination, cost and non-zero forwarding address), then the LSA originated by the router having the highest OSPF Router ID is used. The router having the lower OSPF Router ID can then flush its LSA. Flushing an LSA is discussed in Section 14.1. + | +---+.....|.BGP |RTA|-----|.....+---+ +---+ |-----|RTX| | +---+ +---+ | |RTB|-----| +---+ | | +---+ | |RTC|-----| +---+ | | + Figure 16: Forwarding address example Thanks & Regards, Abhinay R On Wed, Jul 13, 2016 at 7:29 PM, Acee Lindem (acee) wrote: > Hi Abhinay, > > Your questions are very implementation specific but since I=E2=80=99m a g= ood guy=E2=80=A6 > > From: OSPF on behalf of Abhinay R < > abhinay.is2006@gmail.com> > Date: Wednesday, July 13, 2016 at 8:11 AM > To: OSPF WG List > Subject: [OSPF] I have a question regarding forwarding address > > Hi All, > I have a question on when forwarding address is set in external > LSA? > > Suppose I have a route from RIP say 100.1.1.0/24 with nexthop 10.1.1.1 in > routing table and I want to redistribute that route into OSPF, then I fee= l > below conditions must be vaild to set 10.1.1.1 as forwarding address in t= he > external LSA that OSPF originates for 100.1.1.0/24 network. > > These conditions set the forwarding address field to a non-zero address: > > OSPF is enabled on the ASBR's next hop interface AND > > > Although, it would be a strange topology where it weren=E2=80=99t enabled= , it only > has to be reachable within the OSPF routing domain as an intra or inter > area route. > > > > ASBR's next hop interface is non-passive under OSPF AND > > This should have no bearing on whether the forwarding address is > advertised. There could be a better path through the OSPF routing domain > independent of whether the interface is passive. > > > > ASBR's next hop interface is not point-to-point AND > > ASBR's next hop interface is not point-to-multipoint AND > > > Although the likelihood of the forwarding address providing a better path > is increased for multi-access networks, it is not necessary. > > > > ASBR's next hop interface address falls under the network range speci= fied in the router ospf command. > > > Again, the next hop only has to be reachable within the OSPF routing > domain as an intra or inter area route. > > Hope the Helps, > Acee > > > > > > Any other conditions besides these set the forwarding address to 0.0.0.0. > > > If I have 10.1.1.0/24 network as intra or inter route in OSPF routing > table at the router that imported RIP route, do I originate External LSA > with 10.1.1.1 set as forwarding address ? > > > There is a confusion that if the redistributed network nexthop is present > in routing table as intra inter or connected route, we need to set it as > forwarding address. Please clarify. > > > While we receive a External LSA with forwarding address set, then we see > if there is a connected, intra or inter route to that nexthop and then us= e > it to compute the route nexthop. This is clear. > > Thanks & Regards, > Abhinay R > > --=20 ~=E2=99=A5~=E2=99=ABAbHiNaY=E2=99=AB~=E2=99=A5~=E2=88=9E --001a1142bb4a34f753053785e6b1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Acee,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 According to &quo= t;12.4.4. AS-externa= l-LSAs" where forwarding address example is given, I see that it state= s forwarding address will just help to skip a extra hop to destination.
And do= n't you think if forwarding address is set to inter area nexthop, then = if that inter area route gets deleted. it will take time for that change to= reach the ASBR and then ASBR to compute the change and originate new Exter= nal LSA with no forwarding address.and this need to be flooded across the A= S and new route need to be installed in them, which will be time consuming.= =C2=A0So don't you think that forwarding address must be set if the nex= t hop is part of connected network ?

and is there any scenario where the nexth= op will be intra or inter area route, until the nexthop is explicitly set w= ith routemap. 


 12.4.4.1.  Examples of AS-external-LSAs

                Consider once again the AS pictured in Figure 6.  There
                are two AS boundary routers: RT5 and RT7.  Router RT5
                originates three AS-external-LSAs, for networks N12-N14.
                Router RT7 originates two AS-external-LSAs, for networks
                N12 and N15.  Assume that RT7 has learned its route to
                N12 via BGP, and that it wishes to advertise a Type 2
                metric to the AS.  RT7 would then originate the
                following LSA for N12:

        ; AS-external-LSA for Network N12,
        ; originated by Router RT7

        LS age =3D 0                  ;always true on origination
        Options =3D (E-bit)           ;
        LS type =3D 5                 ;AS-external-LSA
        Link State ID =3D N12's IP network number
        Advertising Router =3D Router RT7's ID
        bit E =3D 1                   ;Type 2 metric
        metric =3D 2
        Forwarding address =3D 0.0.0.0





Moy                         Standards Track                   [Page 140]
=0C
RFC 2328                     OSPF Version 2                   April 1998


                    In the above example, the forwarding address field
                    has been set to 0.0.0.0, indicating that packets for
                    the external destination should be forwarded to the
                    advertising OSPF router (RT7).  This is not always
                    desirable.  Consider the example pictured in Figure
                    16.  There are three OSPF routers (RTA, RTB and RTC)
                    connected to a common network.  Only one of these
                    routers, RTA, is exchanging BGP information with the
                    non-OSPF router RTX.  RTA must then originate AS-
                    external-LSAs for those destinations it has learned
                    from RTX.  By using the AS-external-LSA's forwardin=
g
                    address field, RTA can specify that packets for
                    these destinations be forwarded directly to RTX.
                    Without this feature, Routers RTB and RTC would take
                    an extra hop to get to these destinations.

                    Note that when the forwarding address field is non-
                    zero, it should point to a router belonging to
                    another Autonomous System.

                    A forwarding address can also be specified for the
                    default route.  For example, in figure 16 RTA may
                    want to specify that all externally-destined packets
                    should by default be forwarded to its BGP peer RTX.
                    The resulting AS-external-LSA is pictured below.
                    Note that the Link State ID is set to
                    DefaultDestination.

        ; Default route, originated by Router RTA
        ; Packets forwarded through RTX

        LS age =3D 0                  ;always true on origination
        Options =3D (E-bit)           ;
        LS type =3D 5                 ;AS-external-LSA
        Link State ID =3D DefaultDestination  ; default route
        Advertising Router =3D Router RTA's ID
        bit E =3D 1                   ;Type 2 metric
        metric =3D 1
        Forwarding address =3D RTX's IP address

                    In figure 16, suppose instead that both RTA and RTB
                    exchange BGP information with RTX.  In this case,



Moy                         Standards Track                   [Page 141]
=0C
RFC 2328                     OSPF Version 2                   April 1998


                    RTA and RTB would originate the same set of AS-
                    external-LSAs.  These LSAs, if they specify the same
                    metric, would be functionally equivalent since they
                    would specify the same destination and forwarding
                    address (RTX).  This leads to a clear duplication of
                    effort.  If only one of RTA or RTB originated the
                    set of AS-external-LSAs, the routing would remain
                    the same, and the size of the link state database
                    would decrease.  However, it must be unambiguously
                    defined as to which router originates the LSAs
                    (otherwise neither may, or the identity of the
                    originator may oscillate).  The following rule is
                    thereby established: if two routers, both reachable
                    from one another, originate functionally equivalent
                    AS-external-LSAs (i.e., same destination, cost and
                    non-zero forwarding address), then the LSA
                    originated by the router having the highest OSPF
                    Router ID is used.  The router having the lower OSPF
                    Router ID can then flush its LSA.  Flushing an LSA
                    is discussed in Section 14.1.


                                +
                                |
                      +---+.....|.BGP
                      |RTA|-----|.....+---+
                      +---+     |-----|RTX|
                                |     +---+
                      +---+     |
                      |RTB|-----|
                      +---+     |
                                |
                      +---+     |
                      |RTC|-----|
                      +---+     |
                                |
                                +


               Figure 16: Forwarding address example


Thanks & Regards,
Abhinay R

On Wed, Jul 13, 2016 at 7:29 PM, A= cee Lindem (acee) <acee@cisco.com> wrote:
Hi Abhinay,=C2=A0

Your questions are very implementation specific but since I=E2=80=99m = a good guy=E2=80=A6=C2=A0

From: OSPF <ospf-bounces@ietf.org> on beh= alf of Abhinay R <abhinay.is2006@gmail.com>
Date: Wednesday, July 13, 2016 at 8= :11 AM
To: OSPF WG List <ospf@ietf.org>
Subject: [OSPF] I have a question r= egarding forwarding address

Hi All,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 I have a question on when forwarding addre= ss is set in external LSA?=C2=A0

Suppose I have a route from RIP say 100.1.1.0/24 with nexthop 10.1.1.1 in routing table and= I want to redistribute that route into OSPF, then I feel below conditions = must be vaild to set 10.1.1.1 as forwarding address in the external LSA that OSPF originates for 100.1.1.0/24 network.

These conditions set the forwarding address field to a non-zero =
address:

    OSPF is enabled on the ASBR's next hop interface AND

Although, it would be a strange topology where it weren=E2=80=99t enab= led, it only has to be reachable within the OSPF routing domain as an intra= or inter area route.=C2=A0



    ASBR's next hop interface is non-passive under OSPF AND
This should have no bearing on whether the forwarding address i= s advertised. There could be a better path through the OSPF routing domain = independent of whether the interface is passive.=C2=A0


    ASBR's next hop interface is not point-to-point AND

    ASBR's next hop interface is not point-to-multipoint AND

Although the likelihood of the forwarding address providing a b= etter path is increased for multi-access networks, it is not necessary.=C2= =A0



    ASBR's next hop interface address falls under the network range spe=
cified in the router ospf command.

Again, the next hop only has to be reachable within the OSPF ro= uting domain as an intra or inter area route.

Hope the Helps,
Acee=C2=A0





Any other conditions besides these set the forwarding address to 0.0.0.0.

If I have 10.1.1.0/24= network as intra or inter route in OSPF routing table at the router th= at imported RIP route, do I originate External LSA with 10.1.1.1 set as for= warding address ?


There is a confusion that if the redistributed network nexthop is pres= ent in routing table as intra inter or connected route, we need to set it a= s forwarding address. Please clarify.


While we receive a External LSA with forwarding address set, then we s= ee if there is a connected, intra or inter route to that nexthop and then u= se it to compute the route nexthop. This is clear.

Thanks & Regards,
Abhinay R



--
~=E2=99=A5~=E2=99= =ABAbHiNaY=E2=99=AB~=E2=99=A5~=E2=88=9E
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From: "Acee Lindem (acee)" To: Abhinay R Thread-Topic: [OSPF] I have a question regarding forwarding address Thread-Index: AQHR3P+rJceEXzopTEuIVn697hQTUKAWY4KAgABZMoD//8ASAA== Date: Wed, 13 Jul 2016 15:29:49 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: multipart/alternative; boundary="_000_D3ABD4EB6BA68aceeciscocom_" MIME-Version: 1.0 Archived-At: Cc: "ospf@ietf.org" Subject: Re: [OSPF] I have a question regarding forwarding address X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 15:29:55 -0000 --_000_D3ABD4EB6BA68aceeciscocom_ Content-Type: text/plain; charset="utf-8" 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RP_MATCHES_RCVD=-1.287, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lVtLBuV9D64N; Wed, 13 Jul 2016 15:14:20 -0700 (PDT) Received: from rfc-editor.org (rfc-editor.org [4.31.198.49]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 35B5A12D937; Wed, 13 Jul 2016 15:14:20 -0700 (PDT) Received: by rfc-editor.org (Postfix, from userid 30) id 084E7B80C42; Wed, 13 Jul 2016 15:14:20 -0700 (PDT) To: alexander.okonnikov@gmail.com, aretana@cisco.com, lhnguyen@cisco.com, alex.zinin@gmail.com, Russ.White@vce.com, dmcpherson@verisign.com X-PHP-Originating-Script: 30:errata_mail_lib.php From: RFC Errata System Message-Id: <20160713221420.084E7B80C42@rfc-editor.org> Date: Wed, 13 Jul 2016 15:14:20 -0700 (PDT) Archived-At: Cc: ospf@ietf.org, akatlas@juniper.net, iesg@ietf.org, rfc-editor@rfc-editor.org Subject: [OSPF] [Errata Rejected] RFC6987 (4685) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2016 22:14:21 -0000 The following errata report has been rejected for RFC6987, "OSPF Stub Router Advertisement". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=6987&eid=4685 -------------------------------------- Status: Rejected Type: Technical Reported by: Alexander Okonnikov Date Reported: 2016-05-06 Rejected by: Alia Atlas (IESG) Section: 4 Original Text ------------- Corrected Text -------------- (At the end of the section) If the stub router is located in transit area, crossed by virtual link(s), latter will become inoperational in case the stub router is on path between two virtual link endpoints - either due to only path in transit area or due to topology changes which move stub router onto this path. Notes ----- Virtual links become inoperational in case path metric between two endpoints is > 0xffff. Path metric of two or more links, one of which has MaxLinkMetric, will inevitably exceed value 0xffff. --VERIFIER NOTES-- The suggested text is technically correct, however it is really providing additional information rather than an actual errata. If this RFC is revised, then a discussion with the working group would be appropriate. -------------------------------------- RFC6987 (draft-ietf-ospf-rfc3137bis-04) -------------------------------------- Title : OSPF Stub Router Advertisement Publication Date : September 2013 Author(s) : A. Retana, L. Nguyen, A. Zinin, R. White, D. McPherson Category : INFORMATIONAL Source : Open Shortest Path First IGP Area : Routing Stream : IETF Verifying Party : IESG From nobody Fri Jul 22 01:30:04 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8EA8612DAAF for ; Fri, 22 Jul 2016 01:29:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.809 X-Spam-Level: X-Spam-Status: No, score=-15.809 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id z1Li4y14oy7p for ; Fri, 22 Jul 2016 01:29:32 -0700 (PDT) Received: from aer-iport-1.cisco.com (aer-iport-1.cisco.com [173.38.203.51]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 46FE912DA94 for ; Fri, 22 Jul 2016 01:29:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=315; q=dns/txt; s=iport; t=1469176172; x=1470385772; h=message-id:date:from:mime-version:to:subject: content-transfer-encoding; bh=zJQvPjhcGCi/2KQ9MZ2iRGDy90TceksgW55JJF2F1QA=; b=H0T1192s/HTP1hhgUqwiw+Q+IBWAnUAxQTUpItpK6zaP/7LDnvUVqmt0 RCltcBVE4MfoG91RzEsy4B7qcaDjgrZ332Pni1KUdW5KZ/O+G1EdGrilU 2SbRTwTl9nRmjXjBkReqW7z+qucJNB7Gb1SUB7WEgrFo4fd9Np9X2JhJg I=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0C+DAA62JFX/xbLJq1dvW+BeogMDgEBA?= =?us-ascii?q?QEBAQFdJ4UbQD0WGAMCAQIBSw0IAQGILJ8WnTABAQgCJYYqjmgBBJkmjm2BVgE?= =?us-ascii?q?VhFmDDYVokCE4AhqDdTqJBwEBAQ?= X-IronPort-AV: E=Sophos;i="5.28,404,1464652800"; d="scan'208";a="678525704" Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Jul 2016 08:29:30 +0000 Received: from [10.61.71.150] (ams3-vpn-dhcp1942.cisco.com [10.61.71.150]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id u6M8TUva000811 for ; Fri, 22 Jul 2016 08:29:30 GMT Message-ID: <5791D96B.6080907@cisco.com> Date: Fri, 22 Jul 2016 10:29:31 +0200 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: OSPF List Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: [OSPF] OSPFv2 SR draft X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Jul 2016 08:29:34 -0000 Hi All, following text has been added in the latest revision of the OSPFv2 SR draft, section 3.1. "If the SR-Algorithm TLV is not advertised by node, such node is considered as not being segment routing capable." Please let us know if there are any concerns regarding this addition. thanks, Peter From nobody Mon Jul 25 13:10:39 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3D3A612D9CA for ; Mon, 25 Jul 2016 13:10:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.808 X-Spam-Level: X-Spam-Status: No, score=-15.808 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UIWkwbXacVo9 for ; Mon, 25 Jul 2016 13:10:37 -0700 (PDT) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1F08E12D5C9 for ; 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Mon, 25 Jul 2016 20:10:36 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-014.cisco.com (64.101.220.154) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Mon, 25 Jul 2016 16:10:35 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1210.000; Mon, 25 Jul 2016 16:10:35 -0400 From: "Acee Lindem (acee)" To: OSPF WG List Thread-Topic: OSPF WG Minutes Thread-Index: AQHR5rCa1r3i64IPYkisSzfTixkTsg== Date: Mon, 25 Jul 2016 20:10:35 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.197] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: [OSPF] OSPF WG Minutes X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jul 2016 20:10:38 -0000 Tm90ZSB0aGF0IHRoZSBPU1BGIFdHIG1pbnV0ZXMgZm9yIElFVEYgOTYgaGF2ZSBiZWVuIHBvc3Rl ZC4gUGxlYXNlIHVuaWNhc3QNCm1lIHdpdGggYW55IGFkZGl0aW9ucyBvciBjb3JyZWN0aW9uLg0K DQpodHRwczovL3d3dy5pZXRmLm9yZy9wcm9jZWVkaW5ncy85Ni9taW51dGVzL21pbnV0ZXMtOTYt b3NwZg0KDQpUaGFua3MgdG8gTGVzIEdpbnNiZXJnIGZvciB0YWtpbmcgdGhlIG1pbnV0ZXMuDQoN ClRoYW5rcywNCkFjZWUgDQoNCg== From nobody Mon Jul 25 22:21:37 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 592D012D0BB for ; 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SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; received-spf: None (protection.outlook.com: juniper.net does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Jul 2016 05:21:30.8732 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR05MB2715 Archived-At: Subject: Re: [OSPF] OSPF WG Minutes X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jul 2016 05:21:36 -0000 I guess the below statement needs correction Abhay Roy: MRT draft has normative reference on link overload LSA which is stuck at the moment. Should be Abhay Roy: MRT draft has normative reference on "ospfv3 extended LSA" which is stuck at the moment. Abhay, can you confirm? Rgds Shraddha -----Original Message----- From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of Acee Lindem (acee) Sent: Monday, July 25, 2016 10:11 PM To: OSPF WG List Subject: [OSPF] OSPF WG Minutes Note that the OSPF WG minutes for IETF 96 have been posted. Please unicast = me with any additions or correction. https://www.ietf.org/proceedings/96/minutes/minutes-96-ospf Thanks to Les Ginsberg for taking the minutes. 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Fri, 29 Jul 2016 20:19:09 -0700 (PDT) MIME-Version: 1.0 Received: by 10.237.52.193 with HTTP; Fri, 29 Jul 2016 20:19:09 -0700 (PDT) From: Alia Atlas Date: Fri, 29 Jul 2016 23:19:09 -0400 Message-ID: To: OSPF List , draft-ietf-ospf-two-part-metric@ietf.org Content-Type: multipart/alternative; boundary=001a11356d6299804e0538d1d404 Archived-At: Subject: [OSPF] AD review of draft-ietf-ospf-two-part-metric-05 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Jul 2016 03:19:16 -0000 --001a11356d6299804e0538d1d404 Content-Type: text/plain; charset=UTF-8 First, I would like to thank the authors, Jeffrey, Lili, Acee, David, Vibhor and Tom, for their work on this draft. As is customary, I have done my AD review of draft-ietf-ospf-two-part-metric-05. I do have a few concerns which are detailed below. The number of authors will block progressing to IESG telechat until it is addressed. Trusting to a timely resolution of the issues below, I am requesting IETF Last Call. With prompt action, this document can make it to the August 18 telechat for approval. Review Comments: First, this fairly short document has 6 authors. As you all well know, the usual limit for drafts progressing is 5. This greatly simplifies the interactions during AUTH48 and there is rarely more than a few active editors. Please consider if you can reduce it and explain to me privately what justifications might exist, if any, for not doing so. Second, please update the TBDs in the document for the various IANA allocated sub-TLV values to be TBD1, TBD2, and TBD3 so it's easier to replace during IANA and RFC Editor processing. Third, Sec 3.7 defines bit 0 to have specific meaning but doesn't indicate that in the IANA section. Please update the IANA section to clearly indicate the bit being requested (or update the bit to be a TBD4). The term used to refer to the bit also varies between 3.7 and 4. Please pick one term and stick with it. In 3.7, it is "Router Functional Capability Bit" and in Sec 4, it is Router Informational Capability Bits. Regards, Alia --001a11356d6299804e0538d1d404 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
First, I would like to thank the authors, Jeffrey, Lili, A= cee, David, Vibhor and Tom, for their work on this draft.

As is customary, I have done my AD review of=C2=A0draft-ietf-ospf-two-par= t-metric-05.
I do have a few concerns which are detailed below.= =C2=A0 The number of authors will block progressing to IESG telechat until = it is addressed. =C2=A0 Trusting to a timely resolution of the issues below= , I am requesting IETF Last Call.=C2=A0 With prompt action, this document c= an make it to the August 18 telechat for approval.

Review Comments:=C2=A0

First, this fairly short d= ocument has 6 authors. =C2=A0 As you all well know, the usual limit for dra= fts progressing is 5.=C2=A0 This greatly simplifies the interactions during= AUTH48 and there is rarely more than a few active editors.=C2=A0 Please co= nsider if you can reduce it and explain to me privately what justifications= might exist, if any, for not doing so.

Second, pl= ease update the TBDs in the document for the various IANA allocated sub-TLV= values to be TBD1, TBD2, and TBD3 so it's easier to replace during IAN= A and RFC Editor processing. =C2=A0

Third, Sec 3.7= defines bit 0 to have specific meaning but doesn't indicate that in th= e IANA section.=C2=A0 Please update the IANA section to clearly indicate th= e bit being requested (or update the bit to be a TBD4).=C2=A0 The term used= to refer to the bit also varies between 3.7 and 4.=C2=A0 Please pick one t= erm and stick with it.=C2=A0 In 3.7, it is "Router Functional Capabili= ty=C2=A0Bit" and in Sec 4, it=C2=A0is Router Informational Capability= =C2=A0Bits.

Regards,
Alia
--001a11356d6299804e0538d1d404-- From nobody Sun Jul 31 20:14:58 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7914712D1A3 for ; Sun, 31 Jul 2016 20:14:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -5.507 X-Spam-Level: X-Spam-Status: No, score=-5.507 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QXVn1EZeMiyu for ; Sun, 31 Jul 2016 20:14:53 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E11C2128874 for ; Sun, 31 Jul 2016 20:14:52 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml706-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CTN94060; Mon, 01 Aug 2016 03:14:50 +0000 (GMT) Received: from NKGEML414-HUB.china.huawei.com (10.98.56.75) by lhreml706-cah.china.huawei.com (10.201.5.182) with Microsoft SMTP Server (TLS) id 14.3.235.1; Mon, 1 Aug 2016 04:14:46 +0100 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml414-hub.china.huawei.com ([10.98.56.75]) with mapi id 14.03.0235.001; Mon, 1 Aug 2016 11:14:37 +0800 From: "Dongjie (Jimmy)" To: "ospf@ietf.org" Thread-Topic: Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-statement Thread-Index: AdHrotQx7qQBc/FNQaCYWeXjvZMkwg== Date: Mon, 1 Aug 2016 03:14:36 +0000 Message-ID: <76CD132C3ADEF848BD84D028D243C92774EFB09A@NKGEML515-MBX.china.huawei.com> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.109.108.235] Content-Type: multipart/alternative; boundary="_000_76CD132C3ADEF848BD84D028D243C92774EFB09ANKGEML515MBXchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.579EBEAB.0027, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: f3cfc3fbfd08905f2e1ef508bf634b11 Archived-At: Cc: "Zhangxudong \(zhangxudong, VRP\)" , "lizhenqiang@chinamobile.com" Subject: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-statement X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Aug 2016 03:14:56 -0000 --_000_76CD132C3ADEF848BD84D028D243C92774EFB09ANKGEML515MBXchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, draft-dong-ospf-maxage-flush-problem-statement describes the problems cause= d by the corruption of the LS Age field, and summarizes the requirements on= potential solutions. This draft received good comments during the presenta= tion on the IETF meeting in B.A. The authors would like to solicit further feedbacks from the mailing list, = on both the problem statement and the solution requirements. Based on the f= eedbacks, we will update the problem statement draft, and work together to = build suitable solutions. The URL of the draft is: https://tools.ietf.org/html/draft-dong-ospf-maxage-flush-problem-statement-= 00 Comments & feedbacks are welcome. Best regards, Jie --_000_76CD132C3ADEF848BD84D028D243C92774EFB09ANKGEML515MBXchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

 

draft-dong-ospf-maxage-flush-pr= oblem-statement describes the problems caused by the corruption of the LS A= ge field, and summarizes the requirements on potential solutions. This draf= t received good comments during the presentation on the IETF meeting in B.A.

 

The authors would like to solic= it further feedbacks from the mailing list, on both the problem statement a= nd the solution requirements. Based on the feedbacks, we will update the pr= oblem statement draft, and work together to build suitable solutions.

 

The URL of the draft is:

https://tools.ie= tf.org/html/draft-dong-ospf-maxage-flush-problem-statement-00

 

Comments & feedbacks are we= lcome.

 

Best regards,=

Jie

 

--_000_76CD132C3ADEF848BD84D028D243C92774EFB09ANKGEML515MBXchi_-- From nobody Sun Jul 31 22:29:35 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 69A6012D1B1 for ; Sun, 31 Jul 2016 22:29:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -15.807 X-Spam-Level: X-Spam-Status: No, score=-15.807 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id L1CQNyBdXFnc for ; Sun, 31 Jul 2016 22:29:32 -0700 (PDT) Received: from alln-iport-7.cisco.com (alln-iport-7.cisco.com [173.37.142.94]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8D09B12D1AF for ; Sun, 31 Jul 2016 22:29:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=9199; q=dns/txt; s=iport; t=1470029372; x=1471238972; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=mIQGNnN0d0FRWSPuURadF93EH+2V811oNN38lpgtLak=; b=kFZRCsu3bic3cPlH32TGvPVKq7JZNjQHHCz5UrIJ7RDd5bm5DuUOYiPr xYS8M1sGkblCeDsIVJoKKN7hTamlJoafz3Uu0KFtGmRUYRo881ozIGswV illcxkkZLe3pIGM//6S31BPZdbpOal7hbdgjLERSeIquIlo3NNyqoG/Zw A=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0A+AwCB3Z5X/4YNJK1dgndOVnwGtASCd?= =?us-ascii?q?4IPgX0mhXcCgSU4FAEBAQEBAQFdJ4ReAQEFLUELEAIBCBEEAQEoBzIUCQgBAQQ?= =?us-ascii?q?BDQUIE4gWDsA/AQEBAQEBAQEBAQEBAQEBAQEBAQEBFwWGKoRNhHaFJQWZMwGGF?= =?us-ascii?q?4hggXKNVIZkhUyDdgEeNoN6bodSfwEBAQ?= X-IronPort-AV: E=Sophos;i="5.28,453,1464652800"; d="scan'208,217";a="305027623" Received: from alln-core-12.cisco.com ([173.36.13.134]) by alln-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 01 Aug 2016 05:29:31 +0000 Received: from XCH-RCD-005.cisco.com (xch-rcd-005.cisco.com [173.37.102.15]) by alln-core-12.cisco.com (8.14.5/8.14.5) with ESMTP id u715TVpn013013 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Mon, 1 Aug 2016 05:29:31 GMT Received: from xch-aln-001.cisco.com (173.36.7.11) by XCH-RCD-005.cisco.com (173.37.102.15) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Mon, 1 Aug 2016 00:29:30 -0500 Received: from xch-aln-001.cisco.com ([173.36.7.11]) by XCH-ALN-001.cisco.com ([173.36.7.11]) with mapi id 15.00.1210.000; Mon, 1 Aug 2016 00:29:30 -0500 From: "Les Ginsberg (ginsberg)" To: "Dongjie (Jimmy)" , "ospf@ietf.org" Thread-Topic: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-statement Thread-Index: AdHrotQx7qQBc/FNQaCYWeXjvZMkwgAEikTQ Date: Mon, 1 Aug 2016 05:29:30 +0000 Message-ID: <90433b8486184c9cb4b947e7ffb9fc73@XCH-ALN-001.cisco.com> References: <76CD132C3ADEF848BD84D028D243C92774EFB09A@NKGEML515-MBX.china.huawei.com> In-Reply-To: <76CD132C3ADEF848BD84D028D243C92774EFB09A@NKGEML515-MBX.china.huawei.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.82.92] Content-Type: multipart/alternative; boundary="_000_90433b8486184c9cb4b947e7ffb9fc73XCHALN001ciscocom_" MIME-Version: 1.0 Archived-At: Cc: "Zhangxudong \(zhangxudong, VRP\)" , "lizhenqiang@chinamobile.com" Subject: Re: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-statement X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Aug 2016 05:29:34 -0000 --_000_90433b8486184c9cb4b947e7ffb9fc73XCHALN001ciscocom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Jie - The draft says (Section 2): "Since cryptographic authentication is executed at the OSPF packet level, it can only protect the assembled LSU packet for one hop and does not provide any additional protection for the corruption of LS age field." But as authentication is calculated at the OSPF packet level, any change to= the LS age field for an individual LSA contained within the OSPF packet (e= .g. by some packet corruption in transmission) would cause authentication t= o fail when the packet is received. So the statement you make is not correc= t. I therefore am struggling to understand what problem you believe is not = addressed by existing authentication techniques. Les From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of Dongjie (Jimmy) Sent: Sunday, July 31, 2016 8:15 PM To: ospf@ietf.org Cc: Zhangxudong (zhangxudong, VRP); lizhenqiang@chinamobile.com Subject: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-s= tatement Hi all, draft-dong-ospf-maxage-flush-problem-statement describes the problems cause= d by the corruption of the LS Age field, and summarizes the requirements on= potential solutions. This draft received good comments during the presenta= tion on the IETF meeting in B.A. The authors would like to solicit further feedbacks from the mailing list, = on both the problem statement and the solution requirements. Based on the f= eedbacks, we will update the problem statement draft, and work together to = build suitable solutions. The URL of the draft is: https://tools.ietf.org/html/draft-dong-ospf-maxage-flush-problem-statement-= 00 Comments & feedbacks are welcome. Best regards, Jie --_000_90433b8486184c9cb4b947e7ffb9fc73XCHALN001ciscocom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Jie &= #8211;

=  

The d= raft says (Section 2):

=  

̶= 0;Since cryptographic authentication is executed at the OSPF packet

 = ;  level, it can only protect the assembled LSU packet for one hop and=

 = ;  does not provide any additional protection for the corruption of LS=

 = ;  age field.”

=  

But a= s authentication is calculated at the OSPF packet level, any change to the = LS age field for an individual LSA contained within the OSPF packet (e.g. b= y some packet corruption in transmission) would cause authentication to fail when the packet is received. So the sta= tement you make is not correct. I therefore am struggling to understand wha= t problem you believe is not addressed by existing authentication technique= s.

=  

 = ;  Les

=  

=  

=  

From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of Dongjie (Jimmy)
Sent: Sunday, July 31, 2016 8:15 PM
To: ospf@ietf.org
Cc: Zhangxudong (zhangxudong, VRP); lizhenqiang@chinamobile.com
Subject: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-pr= oblem-statement

 =

Hi all,

&nbs= p;

draft-don= g-ospf-maxage-flush-problem-statement describes the problems caused by the = corruption of the LS Age field, and summarizes the requirements on potentia= l solutions. This draft received good comments during the presentation on the IETF meeting in B.A.

&nbs= p;

The autho= rs would like to solicit further feedbacks from the mailing list, on both t= he problem statement and the solution requirements. Based on the feedbacks,= we will update the problem statement draft, and work together to build suitable solutions.

&nbs= p;

The URL o= f the draft is:

https://tools.ietf.org/html/draft-dong-ospf-maxage-flush-problem-st= atement-00

&nbs= p;

Comments = & feedbacks are welcome.

&nbs= p;

Best rega= rds,

Jie<= /o:p>

&nbs= p;

--_000_90433b8486184c9cb4b947e7ffb9fc73XCHALN001ciscocom_-- From nobody Sun Jul 31 23:48:12 2016 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CD3DD12D516 for ; Sun, 31 Jul 2016 23:48:09 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -5.507 X-Spam-Level: X-Spam-Status: No, score=-5.507 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.287, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rZc-wu4MHkIz for ; Sun, 31 Jul 2016 23:48:07 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0127912B051 for ; Sun, 31 Jul 2016 23:48:05 -0700 (PDT) Received: from 172.18.7.190 (EHLO lhreml708-cah.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CTO15573; Mon, 01 Aug 2016 06:48:03 +0000 (GMT) Received: from NKGEML414-HUB.china.huawei.com (10.98.56.75) by lhreml708-cah.china.huawei.com (10.201.5.202) with Microsoft SMTP Server (TLS) id 14.3.235.1; Mon, 1 Aug 2016 07:48:02 +0100 Received: from NKGEML515-MBX.china.huawei.com ([fe80::a54a:89d2:c471:ff]) by nkgeml414-hub.china.huawei.com ([10.98.56.75]) with mapi id 14.03.0235.001; Mon, 1 Aug 2016 14:47:52 +0800 From: "Dongjie (Jimmy)" To: "Les Ginsberg (ginsberg)" , "ospf@ietf.org" Thread-Topic: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-statement Thread-Index: AQHR67W1yO0MKk0JlkKke+4PlDDfVaAznGnQ Date: Mon, 1 Aug 2016 06:47:52 +0000 Message-ID: <76CD132C3ADEF848BD84D028D243C92774EFB143@NKGEML515-MBX.china.huawei.com> References: <76CD132C3ADEF848BD84D028D243C92774EFB09A@NKGEML515-MBX.china.huawei.com> <90433b8486184c9cb4b947e7ffb9fc73@XCH-ALN-001.cisco.com> In-Reply-To: <90433b8486184c9cb4b947e7ffb9fc73@XCH-ALN-001.cisco.com> Accept-Language: en-US, zh-CN Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.109.111.41] Content-Type: multipart/alternative; boundary="_000_76CD132C3ADEF848BD84D028D243C92774EFB143NKGEML515MBXchi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090206.579EF0A4.0029, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 6139d70870868eaa328b183957a70f99 Archived-At: Cc: "Zhangxudong \(zhangxudong, VRP\)" , "lizhenqiang@chinamobile.com" Subject: Re: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-statement X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Aug 2016 06:48:10 -0000 --_000_76CD132C3ADEF848BD84D028D243C92774EFB143NKGEML515MBXchi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Les, Thanks for your comments. OSPF packet level checksum and authentication can only protect the assemble= d LSU packet one hop on the wire, while cannot detect any change to LSA mad= e by the routers. This is because the OSPF packets are re-assembled on each= hop, which is slightly different from IS-IS. So the problem for OSPF is ma= inly due to the problems inside the router, for example protocol implementa= tions, system timers, or some hardware problem. Actually this problem has b= een seen in several production networks. We can improve the description in the draft to make this clear. Best regards, Jie From: Les Ginsberg (ginsberg) [mailto:ginsberg@cisco.com] Sent: Monday, August 01, 2016 1:30 PM To: Dongjie (Jimmy); ospf@ietf.org Cc: Zhangxudong (zhangxudong, VRP); lizhenqiang@chinamobile.com Subject: RE: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-probl= em-statement Jie - The draft says (Section 2): "Since cryptographic authentication is executed at the OSPF packet level, it can only protect the assembled LSU packet for one hop and does not provide any additional protection for the corruption of LS age field." But as authentication is calculated at the OSPF packet level, any change to= the LS age field for an individual LSA contained within the OSPF packet (e= .g. by some packet corruption in transmission) would cause authentication t= o fail when the packet is received. So the statement you make is not correc= t. I therefore am struggling to understand what problem you believe is not = addressed by existing authentication techniques. Les From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of Dongjie (Jimmy) Sent: Sunday, July 31, 2016 8:15 PM To: ospf@ietf.org Cc: Zhangxudong (zhangxudong, VRP); lizhenqiang@chinamobile.com Subject: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-problem-s= tatement Hi all, draft-dong-ospf-maxage-flush-problem-statement describes the problems cause= d by the corruption of the LS Age field, and summarizes the requirements on= potential solutions. This draft received good comments during the presenta= tion on the IETF meeting in B.A. The authors would like to solicit further feedbacks from the mailing list, = on both the problem statement and the solution requirements. Based on the f= eedbacks, we will update the problem statement draft, and work together to = build suitable solutions. The URL of the draft is: https://tools.ietf.org/html/draft-dong-ospf-maxage-flush-problem-statement-= 00 Comments & feedbacks are welcome. Best regards, Jie --_000_76CD132C3ADEF848BD84D028D243C92774EFB143NKGEML515MBXchi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Les,=

&n= bsp;

Thanks = for your comments.

&n= bsp;

OSPF pa= cket level checksum and authentication can only protect the assembled LSU p= acket one hop on the wire, while cannot detect any change to LSA made by th= e routers. This is because the OSPF packets are re-assembled on each hop, which is slightly different from IS-IS. So t= he problem for OSPF is mainly due to the problems inside the router, for ex= ample protocol implementations, system timers, or some hardware problem. Ac= tually this problem has been seen in several production networks.

&n= bsp;

We can = improve the description in the draft to make this clear.<= /p>

&n= bsp;

Best re= gards,

Jie

&n= bsp;

From: Les Ginsberg= (ginsberg) [mailto:ginsberg@cisco.com]
Sent: Monday, August 01, 2016 1:30 PM
To: Dongjie (Jimmy); ospf@ietf.org
Cc: Zhangxudong (zhangxudong, VRP); lizhenqiang@chinamobile.com
Subject: RE: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flus= h-problem-statement

 

Jie –

 

The draft says (Section 2):

 

“Since cryptographic authentication is executed at the OSPF= packet

   level, it can only protect the assembled LSU packet = for one hop and

   does not provide any additional protection for the c= orruption of LS

   age field.”

 

But as authentication is calculated at the OSPF packet level, any= change to the LS age field for an individual LSA contained within the OSPF= packet (e.g. by some packet corruption in transmission) would cause authentication to fail when the packet is rec= eived. So the statement you make is not correct. I therefore am struggling = to understand what problem you believe is not addressed by existing authent= ication techniques.

 

   Les

 

 

 

From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of Dongjie (Jimmy)
Sent: Sunday, July 31, 2016 8:15 PM
To: ospf@ietf.org
Cc: Zhangxudong (zhangxudong, VRP); lizhenqiang@chinamobile.com
Subject: [OSPF] Solicit feedbacks on draft-dong-ospf-maxage-flush-pr= oblem-statement

 

Hi all,

 

draft-dong-ospf-maxage-flush-pr= oblem-statement describes the problems caused by the corruption of the LS A= ge field, and summarizes the requirements on potential solutions. This draf= t received good comments during the presentation on the IETF meeting in B.A.

 

The authors would like to solic= it further feedbacks from the mailing list, on both the problem statement a= nd the solution requirements. Based on the feedbacks, we will update the pr= oblem statement draft, and work together to build suitable solutions.

 

The URL of the draft is:

https://tools.ie= tf.org/html/draft-dong-ospf-maxage-flush-problem-statement-00

 

Comments & feedbacks are we= lcome.

 

Best regards,=

Jie

 

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