File formats:

Also available: XML file for editing

 

Status:

PROPOSED STANDARD

Authors:

A. Lindem, Ed.
P. Psenak
Y. Qu

Stream:

IETF

Source:

lsr (rtg)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC9825

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Abstract

It is useful for routers in OSPFv2 and OSPFv3 routing domains to be able to associate tags with prefixes. Previously, OSPFv2 and OSPFv3 were relegated to a single tag and only for Autonomous System (AS) External and Not-So-Stubby-Area (NSSA) prefixes. With the flexible encodings provided by OSPFv2 Prefix/Link Attribute Advertisement and OSPFv3 Extended Link State Advertisements (LSAs), multiple administrative tags may be advertised for all types of prefixes. These administrative tags can be used for many applications including route redistribution policy, selective prefix prioritization, selective IP Fast Reroute (IPFRR) prefix protection, and many others.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.