Subject: [CCAMP] question on rfc4803

From: "Vijayanand C - ERS, HCL Tech" <[email-masked]>
Date: Thu, 10 Feb 2011 21:18:23 +0530

Hello all.

How are the two directions of the cross connect of the bidirectional LSP correlated

As per section 5, the cross connects will have the same XC index.

"

The GMPLS-LSR-STD-MIB module supports bidirectional LSPs as required

for GMPLS.  A single value of mplsXCIndex is shared by all of the

segments for the entire bidirectional LSP.  This facilitates a simple

reference from [RFC3812] and [RFC4802]
and makes fate-sharing more

obvious.

"

But as per the example in section 6, the xcindex can be different but the mplsXCLSPId must be same

" In mplsXCTable:

{

mplsXCIndex                = 0x01,

mplsXCInSegmentIndex       = 0x00000015,

mplsXCOutSegmentIndex      = 0x00000012,

mplsXCLspId                = 0x0102 -- unique ID

mplsXCLabelStackIndex      = 0x00, -- only a single outgoing label

mplsXCRowStatus            = createAndGo(4)

}

In mplsXCTable:

{

mplsXCIndex                = 0x02,

mplsXCInSegmentIndex       = 0x00000016,

mplsXCOutSegmentIndex      = 0x00000013,

mplsXCLspId                = 0x0102 -- unique ID

mplsXCLabelStackIndex      = 0x00, -- only a single outgoing label

mplsXCRowStatus            = createAndGo(4)

}

"

Please clarify.

Regards

Vijay

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