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RFC 9983: OSPFv2 Anycast Property Advertisement

In plain English — editorial summary, not part of the RFC

An IP prefix may be configured as anycast and, as such, the same value can be advertised by multiple routers. It is useful for other routers to know that the advertisement is for an anycast prefix. This document defines a new flag in the OSPFv2 Extended Prefix TLV Flags to advertise the anycast property. The document also specifies a companion YANG module for managing this function.

Document record

Document ID
RFC9983
Published
May 2026
Authors
R. Chen; D. Zhao; P. Psenak; K. Talaulikar; C. Lin
Status
PROPOSED STANDARD
Stream
IETF
Area
rtg
Pages
11
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canonical URL: /rfc/9983-ospfv2-anycast-property-advertisement