RFC 7775

IS-IS Route Preference for Extended IP and IPv6 Reachability, February 2016

Canonical URL:
https://www.rfc-editor.org/rfc/rfc7775.txt
File formats:
Plain TextPDF
Status:
PROPOSED STANDARD
Updates:
RFC 5308
Authors:
L. Ginsberg
S. Litkowski
S. Previdi
Stream:
IETF
Source:
isis (rtg)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC7775

Discuss this RFC: Send questions or comments to isis-wg@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

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.


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