IETF RFCs supported by Cisco NX-OS Unicast Features, Release 4.x

This appendix lists the IETF RFCs supported in Cisco NX-OS Release 4.x.

BGP RFCs

RFCs
Title

RFC 1997

BGP Communities Attribute

RFC 2385

Protection of BGP Sessions via the TCP MD5 Signature Option

RFC 2439

BGP Route Flap Damping

RFC 2519

A Framework for Inter-Domain Route Aggregation

RFC 2545

Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain Routing

RFC 2858

Multiprotocol Extensions for BGP-4

RFC 3065

Autonomous System Confederations for BGP

RFC 3392

Capabilities Advertisement with BGP-4

RFC 4271

A Border Gateway Protocol 4 (BGP-4)

RFC 4273

Definitions of Managed Objects for BGP-4

RFC 4456

BGP Route Reflection: An Alternative to Full Mesh Internal BGP (IBGP)

RFC 4486

Subcodes for BGP Cease Notification Message

RFC 4724

Graceful Restart Mechanism for BGP

RFC 4893

BGP Support for Four-octet AS Number Space

RFC 5004

Avoid BGP Best Path Transitions from One External to Another

RFC 53961

Textual Representation of Autonomous System (AS) Numbers

RFC 5668

4-Octet AS Specific BGP Extended Community

draft-ietf-idr-bgp4-mib-15.txt

BGP4-MIB

draft-kato-bgp-ipv6-link-local-00.txt

BGP4+ Peering Using IPv6 Link-local Address

1 RFC 5396 is partially supported. The asplain and asdot notations are supported, but the asdot+ notation is not.


First-Hop Redundancy Protocols RFCs

RFCs
Title

RFC 2281

Hot Standby Redundancy Protocol

RFC 3768

Virtual Router Redundancy Protocol


IP Services RFCs

RFCs
Title

RFC 786

UDP

RFC 791

IP

RFC 792

ICMP

RFC 793

TCP

RFC 826

ARP

RFC 1027

Proxy ARP

RFC 1591

DNS Client

RFC 1812

IPv4 routers


IPv6 RFCs

RFCs
Title

RFC 1981

Path MTU Discovery for IP version 6

RFC 2373

IP Version 6 Addressing Architecture

RFC 2374

An Aggregatable Global Unicast Address Format

RFC 2460

Internet Protocol, Version 6 (IPv6) Specification

RFC 2461

Neighbor Discovery for IP Version 6 (IPv6)

RFC 2462

IPv6 Stateless Address Autoconfiguration

RFC 2463

Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification

RFC 2464

Transmission of IPv6 Packets over Ethernet Networks

RFC 3152

Delegation of IP6.ARPA

RFC 3162

RADIUS and IPv6

RFC 3513

Internet Protocol Version 6 (IPv6) Addressing Architecture

RFC 3596

DNS Extensions to Support IP version 6

RFC 4193

Unique Local IPv6 Unicast Addresses


IS-IS RFCs

RFCs
Title

RFC 1142

OSI 10589 Intermediate system to intermediate system intra-domain routing exchange protocol

RFC 1195

Use of OSI IS-IS for routing in TCP/IP and dual environment

RFC 2763

Dynamic Hostname Exchange Mechanism for IS-IS

RFC 2966

Domain-wide Prefix Distribution with Two-Level IS-IS

RFC 2972

IS-IS Mesh Groups

RFC 3273

Three-Way Handshake for IS-IS Point-to-Point Adjacencies

RFC 3277

IS-IS Transient Blackhole Avoidance

RFC 3567

IS-IS Cryptographic Authentication

RFC 3847

Restart Signaling for IS-IS

draft-ietf-isis-igp-p2p-over-lan-06.txt

Internet Draft Point-to-point operation over LAN in link-state routing protocols


OSPF RFCs

RFCs
Title

RFC 2328

OSPF Version 2

RFC 2740

OSPF for IPv6

RFC 3623

Graceful OSPF Restart

RFC 3101

The OSPF Not-So-Stubby Area (NSSA) Option

RFC 2370

The OSPF Opaque LSA Option

RFC 3137

OSPF Stub Router Advertisement

draft-ietf-ospf-ospfv3-graceful-restart-04.txt

OSPFv3 Graceful Restart


RIP RFCs

RFCs
Title

RFC 2453

RIP Version 2

RFC 2082

RIP-2 MD5 Authentication