Subject: [Isis-wg] questions on draft "IS-IS extensions for TE"

From: newbie <[email-masked]>
Date: Sun, 29 Oct 2000 08:17:09 -0800 (PST)

Hi:

In draft "IS-IS extensions for traffic engineeing":

"It is easiest to select MAX_PATH_METRIC such that
MAX_PATH_METRIC plus a single link metric does not
overflow the number of bits for internal metric
calculation.  We assume that this is 32 bits.  Thus,
MAX_PATH_METRIC is 4,261,412,864 (0xFE000000, 2^32 -
2^25)."

What does it mean "a single link metric does not
overflow the number of bits for internal metric
calculation."? Also where does it come from "2^25" in
the following statement?

Thanks.

_ming

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