Extensions to OSPF for Advertising Optional Router Capabilities
RFC 4970, “Extensions to OSPF for Advertising Optional Router Capabilities”, is a Proposed Standard document published in July 2007 by A. Lindem, N. Shen, JP. Vasseur, R. Aggarwal, S. Shaffer. It has been obsoleted by RFC 7770 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
It is useful for routers in an OSPFv2 or OSPFv3 routing domain to know the capabilities of their neighbors and other routers in the routing domain. This document proposes extensions to OSPFv2 and OSPFv3 for advertising optional router capabilities. A new Router Information (RI) Link State Advertisement (LSA) is proposed for this purpose. In OSPFv2, the RI LSA will be implemented with a new opaque LSA type ID. In OSPFv3, the RI LSA will be implemented with a new LSA type function code. In both protocols, the RI LSA can be advertised at any of the defined flooding scopes (link, area, or autonomous system (AS)). [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 4970 is hosted at rfc-editor.org. Available in TXT,HTML.
- RFC 4969 IANA Registration for vCard Enumservice
- RFC 4971 Intermediate System to Intermediate System Extensions for Advertising Router Information
- RFC 4968 Analysis of IPv6 Link Models for 802.16 Based Networks
- RFC 4972 Routing Extensions for Discovery of Multiprotocol Label Switch Router Traffic Engineering Mesh Membership
- RFC 4967 Dial String Parameter for the Session Initiation Protocol Uniform Resource Identifier
- RFC 4973 OSPF-xTE: Experimental Extension to OSPF for Traffic Engineering
- RFC 4966 Reasons to Move the Network Address Translator - Protocol Translator to Historic Status
- RFC 4974 Generalized MPLS RSVP-TE Signaling Extensions in Support of Calls