[rfc-dist] RFC 4970 on Extensions to OSPF for Advertising Optional Router Capabilities

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Tue Jul 31 18:08:12 PDT 2007

A new Request for Comments is now available in online RFC libraries.

        RFC 4970

        Title:      Extensions to OSPF for Advertising 
                    Optional Router Capabilities 
        Author:     A. Lindem, Ed.,
                    N. Shen, JP. Vasseur,
                    R. Aggarwal, S. Shaffer
        Status:     Standards Track
        Date:       July 2007
        Mailbox:    acee at redback.com, 
                    naiming at cisco.com, 
                    jpv at cisco.com,  rahul at juniper.net, 
                    sshaffer at bridgeport-networks.com
        Pages:      13
        Characters: 26416
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-ospf-cap-11.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4970.txt

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]

This document is a product of the Open Shortest Path First IGP
Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.Please refer to the current edition of the Internet
 Official Protocol Standards (STD 1) for the standardization state and
 status of this protocol.  Distribution of this memo is unlimited.

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