IETF RFCs Supported by Cisco NX-OS Unicast Features

This appendix lists the IETF RFCs for unicast routing supported in Cisco NX-OS.

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 2918

Route Refresh Capability 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 4760

Multiprotocol Extensions for BGP-4

RFC 4781

Graceful Restart Mechanism for BGP with MPLS

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 5549

Advertising IPv4 Network Layer Reachability Information with an IPv6 Next Hop

RFC 5668

4-Octet AS Specific BGP Extended Community

RFC 7606

Revised Error Handling for BGP Update Messages

RFC 7854

BGP Monitoring Protocol (BMP)

draft-ietf-idr-add-paths-08.txt

Advertisement of Multiple Paths in BGP

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

BGP4-MIB

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

BGP4+ Peering Using IPv6 Link-local Address

draft-ietf-idr-avoid-transition-05.txt

Bestpath Transition Avoidance

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

Peer Table Objects

draft-ietf-idr-dynamic-cap-03.txt

Dynamic Capability

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

RFC 5798

Virtual Router Redundancy Protocol (VRRP) Version 3 for IPv4 and IPv6

IP Services RFCs

RFCs

Title

RFC 768

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

RFC 4022

TCP-MIB

RFC 4292

IP-FORWARDING-TABLE-MIB

RFC 4293

IP-MIB

IPv6 RFCs

RFCs

Title

RFC 1981

Path MTU Discovery for IP version 6

RFC 2374

An Aggregatable Global Unicast Address Format

RFC 2460

Internet Protocol, Version 6 (IPv6) Specification

RFC 2464

Transmission of IPv6 Packets over Ethernet Networks

RFC 3021

Using 31-Bit Prefixes on IPv4 Point-to-Point Links

RFC 4191

Default Router preferences and more specific routes

RFC 4193

Unique Local IPv6 Unicast Addresses

Note

 

RFC 4193 is partially supported. Section 3.2.2 is not supported.

RFC 4291 (replaced RFC 2373)

IP Version 6 Addressing Architecture

RFC 4443 (replaced RFC 2463)

ICMPv6

RFC 4861 (replaced RFC 2461)

Neighbor Discovery for IP Version 6 (IPv6)

RFC 4862 (replaced RFC 2462)

IPv6 Stateless Address Autoconfiguration

RFC 6106

IPv6 Router Advertisement Options for DNS Configuration

RFC 2526

Reserved IPv6 Subnet Anycast Addresses

IS-IS RFCs

RFCs

Title

RFC 1142

OSI 10589 intermediate system to intermediate system intro-domain routing exchange protocol

RFC 1195

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

RFC 2763, RFC 5301

Dynamic Hostname Exchange Mechanism for IS-IS

RFC 2966, RFC 5302

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

RFC 2972

IS-IS Mesh Groups

RFC 3277

IS-IS Transient Blackhole Avoidance

RFC 3373, RFC 5303

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

RFC 3567, RFC 5304

IS-IS Cryptographic Authentication

RFC 3784, RFC 5305

IS-IS Extensions for Traffic Engineering

RFC 3847, RFC 5306

Restart Signaling for IS-IS

RFC 4205, RFC 5307

IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching

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 2370

The OSPF Opaque LSA Option

RFC 2740

OSPF for IPv6

RFC 3101

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

RFC 3137

OSPF Stub Router Advertisement

RFC 3623

Graceful OSPF Restart

RFC 5709

OSPFv2 HMAC-SHA Cryptographic Authentication

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

OSPFv3 Graceful Restart

RIP RFCs

RFCs

Title

RFC 2082

RIP-2 MD5 Authentication

RFC 2453

RIP Version 2