Preface

Changes to This Document

This table lists the technical changes made to this document since it was first printed.

Date Summary

January 2022

Republished with documentation updates for Cisco IOS XR Release 7.3.3 features.

November 2021

Republished with documentation updates for Cisco IOS XR Release 7.5.1 features.

October 2021

Republished with documentation updates for Cisco IOS XR Release 7.3.2 features.

February 2021

Republished with documentation updates for Cisco IOS XR Release 7.3.1 features.

August 2019

Republished with documentation updates for Cisco IOS XR Release 7.0.1 features.

April 2019

Republished with documentation updates for Cisco IOS XR Release 6.6.2 features.

December 2018

Republished with documentation updates for Cisco IOS XR Release 6.6.1 features.

July 2018

Republished with documentation updates for Cisco IOS XR Release 6.4.2 and 6.5.1 features.

March 2018

Republished with documentation updates for Cisco IOS XR Release 6.3.2 and 6.4.1 features.

September 2017

Republished with documentation updates for Cisco IOS XR Release 6.3.1 features.

July 2017

Republished with documentation updates for Cisco IOS XR Release 6.2.2 features.

March 2017

Republished with documentation updates for Cisco IOS XR Release 6.2.1 features.

November 2016

Republished with documentation updates for Cisco IOS XR Release 6.1.2 features.

May 2016

Republished with documentation updates for Cisco IOS XR Release 6.0.1 features.

December 2015

Republished with documentation updates for Cisco IOS XR Release 6.0.0 features.

August 2015

Initial release of this document.

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New and Changed Feature Information

Table 1. New and changed information table for Release 7.3.1

Feature

Introduced in Release

Golden ISO (GISO) Implementation

Release 7.3.1

New and changed information table for Release 7.0.1

Feature

Introduced in Release

Segment Routing

7.0.1

Carrier Supporting Carrier Support for L3VPN

7.0.1

Inter-AS Support for L3VPN

7.0.1

MPLS Traffic Engineering

7.0.1

New and changed information table for Release 6.6.2

Feature

Introduced in Release

M5 Server based Appliance

6.6.2

Support for bgp bestpath igp-metric ignore Command

6.6.2

New and changed information table for Release 6.6.1

Feature

Introduced in Release

ACL Based Forwarding for vBNG

6.6.1

Ambiguous VLANs for vBNG

6.6.1

HTTP Redirect Using PBR for vBNG

6.6.1

PPPoE LAC support for vBNG

6.6.1

Segment Routing over IPv6

6.6.1

New and changed information table for Release 6.4.2 and 6.5.1

Feature

Introduced in Release

No new features are introduced

None

New and changed information table for Release 6.4.1

Feature

Introduced in Release

Enhancements to the Cisco IOS XRv 9000 Appliance

6.4.1

L2VPN Virtual Private Wire Service (VPWS)

6.4.1

vBNG PPPoE

6.4.1

Multicast features

6.4.1

New and changed information table for Release 6.3.2

Feature

Introduced in Release

No new features are introduced

None

New and changed information table for Release 6.3.1

Feature

Introduced in Release

Cisco IOS XRv 9000 Router Deployment on AWS

6.3.1

Broadband Network Gateway (BNG)

6.3.1

Generic Routing Encapsulation (GRE) over IPv4

6.3.1

Virtualised Local Mobility Anchor (vLMA)

6.3.1

VRF Support on Docker and LXC Containers

6.3.1

New and changed information table for Release 6.2.2

Feature

Introduced in Release

No new features are introduced

None

New and changed information table for Release 6.2.1

Feature

Introduced in Release

BGP Persistenc

6.2.1

Hot Standby Router Protocol (HSRP)

6.2.1

NSH Proxy Mode

6.2.1

RT Constriant

6.2.1

Virtual Router Redundancy Protocol (VRRP)

6.2.1

New and changed information table for Release 6.1.2.

Feature

Introduced in Release

Application hosting

6.1.2

Appliance

6.1.2

BFD over Logical Bundle

6.1.2

Link Bundle or Link Aggregation Group (LAG)

6.1.2

Multisocket Dataplane

6.1.2

Network Service Header (NSH)

6.1.2

New and changed information table for Release 6.0.1.

Feature

Introduced in Release

BGP Optimal Route Reflector (BGP-ORR)

6.0.1

Two-Way Active Measurement Protocol (TWAMP)

6.0.1

Hierarchical QoS

6.0.1

Multi Socket Scale Out

6.0.1