IS-IS Route Preference for Extended IP and IPv6 Reachability, February 2016
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- RFC 5308
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In existing specifications, the route preferences for IPv4/IPv6 Extended Reachability TLVs are not explicitly stated. There are also inconsistencies in the definition of how the up/down bit applies to route preference when the prefix advertisement appears in Level 2 Link State Protocol Data Units (LSPs). This document addresses these issues.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.