OSPF Standards

OSPF and OSPFv3 are defined in the following documents:

• RFC 1793, Extending OSPF to Support Demand Circuits
• RFC 2328, OSPF Version 2
• RFC 2370, The OSPF Opaque LSA Option
• RFC 2740, OSPF for IPv6
• RFC 3101, The OSPF Not-So-Stubby Area (NSSA) Option
• RFC 3509, Alternative Implementations of OSPF Area Border Routers
• RFC 3623, OSPF Graceful Restart
• RFC 3630, Traffic Engineering (TE) Extensions to OSPF Version 2
• RFC 4203, OSPF Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS) (only interface switching)
• RFC 4552, Authentication/Confidentiality for OSPFv3
• RFC 4576, Using a Link State Advertisement (LSA) Options Bit to Prevent Looping in BGP/MPLS Virtual Private Networks (VPNs)
• RFC 4577, OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)
• RFC 5185, OSPF Multi-Area Adjacency
• RFC 5286, Basic Specification for IP Fast Reroute: Loop-Free Alternates
• Internet draft draft-ietf-katz-ward-bfd-00.txt, Bidirectional Forwarding Detection (except the transmission of echo packets) (expires January 2005)
• Internet draft draft-ietf-isis-igp-p2p-over-lan-03.txt, Point-to-point operation over LAN in link-state routing protocols (expires February 2004)
• Internet draft draft-ospf-alt-06.txt, Support of address families in OSPFv3 (expires April 2008)

To access Internet RFCs and drafts, go to the IETF website at http://www.ietf.org.