New and Changed Information for Segment Routing Features

This table summarizes the new and changed feature information for the Segment Routing Configuration Guide for Cisco NCS 5500 Series Routers, and lists where they are documented.

New and Changed Segment Routing Features-24.x.x

Segment Routing Features Added or Modified in IOS XR Release 24.x.x

Feature Description Introduced/Changed in Release Where Documented

Flexible algorithm with bandwidth optimization

This feature is introduced.

Release 24.4.1

Flexible algorithm with bandwidth optimization

SR-TE policy with enhanced flexible algorithm metric types

This feature is introduced.

Release 24.4.1

SR-TE policy with enhanced flexible algorithm metric types

Segment routing Tree-SID interoperability and SR-P2MP enhancements

This feature is introduced.

Release 24.4.1

Segment routing Tree-SID interoperability and SR-P2MP enhancements

VRF-to-VRF route leaking in SRv6 core

This feature is introduced.

Release 24.4.1

VRF-to-VRF route leaking in SRv6 core

Delay and synthetic loss measurement for GRE tunnel interfaces

This feature is introduced.

Release 24.4.1

Delay and synthetic loss measurement for GRE tunnel interfaces

Fallback delay advertisement for interfaces

This feature is introduced.

Release 24.4.1

Fallback delay advertisement for interfaces

Far-end delay metrics in one-way measurement mode

This feature is introduced.

Release 24.4.1

Measurement Modes

SRv6 double recursion for multilayer BGP underlay

This feature is introduced.

Release 24.4.1

SRv6 double recursion for multilayer BGP underlay

BGP Signaling for co-existence of IP routes

This feature is introduced.

Release 24.3.1

BGP Signaling for co-existence of IP routes with or without SRv6 SID

SRv6 Traffic Accounting for NCS 5700

This feature is introduced.

Release 24.3.1

SRv6 Traffic Accounting

Delay Measurement Using Software Timestamp

This feature was introduced.

Release 24.3.1

Delay Measurement Using Software Timestamp

Liveness Monitoring for IP Endpoint over SRv6 Network on Cisco NCS 5508 and Cisco NCS 5700 Series Routers

This feature was introduced.

Release 24.3.1

IP Endpoint Liveness Monitoring

Delay Measurement for IP Endpoint over SRv6 Network on Cisco NCS 5508 and Cisco NCS 5700 Series Routers

This feature was introduced.

Release 24.3.1

Delay Measurement for IP Endpoint

SRv6 Traffic Class DSCP Marking Enhancement for QoS

This feature was introduced.

Release 24.2.1

Configuring SRv6

User-Defined Generic Metric Support for IS-IS Flex Algo

This feature is introduced.

Release 24.2.1

User-Defined Generic Metric Support for IS-IS Flex Algo

Display Neighbor Router Capabilities in OSPF Networks

This feature is introduced.

Release 24.2.1

Display Neighbor Router Capabilities in OSPF Networks

Data Plane Validation for SR-MPLS IPv6-based Controller Instantiated LSPs

This feature is introduced.

Release 24.2.1

Data Plane Validation Support for SR-MPLS IPv6-based LSPs

SR ECMP-FEC Optimization for IPv6 Prefixes

This feature is introduced.

Release 24.2.1

Segment Routing ECMP-FEC Optimization

MPLS OAM support for SR-TE Policies using MPLS IPv6-based LSPs

This feature is introduced.

Release 24.2.1

MPLS OAM support for SR-TE Policies using MPLS IPv6-based LSPs

Liveness Monitoring for IP Endpoint over SRv6 Network

This feature is introduced.

Release 24.2.1

IP Endpoint Liveness Monitoring

Delay Measurement for IP Endpoint over SRv6 Network

This feature is introduced.

Release 24.2.1

Delay Measurement for IP Endpoint

Dual-Stack Support with SRv6 Unicast and IPv4 Multicast Core

This feature is introduced.

Release 24.2.1

Dual-Stack with SRv6 Unicast and IPv4 Multicast Core

Reporting of SR-TE Policies Using BGP-Link State for SRv6

This feature is introduced.

Release 24.1.1

Reporting of SR-TE Policies Using BGP-Link State for SRv6

Path Maximum Transmission Unit (MTU) Discovery for SRv6 Encapsulated Packets

This feature is introduced.

Release 24.1.1

Path Maximum Transmission Unit (MTU) Discovery for SRv6 Encapsulated Packets

ISIS Flexible Algorithm UCMP Support

This feature is introduced.

Release 24.1.1

IS-IS Flexible Algorithm UCMP Support

Synthetic Loss Measurement

This feature is introduced.

Release 24.1.1

Synthetic Loss Measurement

SR-MPLSv6 Traffic Engineering

This feature is introduced.

Release 24.1.1

SR Policy Path Computation for IPv6

Delay Measurement on NCS-57C3-MOD Fixed Port Routers

This feature is introduced.

Release 24.1.1

Link Delay Measurement

Exclude Network Resources during Path Computation over SR-TE Policies

This feature was introduced.

Release 24.1.1

Exclude Network Resources during Path Computation over SR-TE Policies

Configure the Shortest Path for Disjoint Candidate Paths

This feature was introduced.

Release 24.1.1

Configure the Shortest Path for Disjoint Candidate Paths

Enable Strict Disjointness for SR-TE Policies in the PCE

This feature was introduced.

Release 24.1.1

Enable Strict Disjointness for SR-TE policies in the PCE

Identical Route Distinguisher on MPLS and SRv6 L3 Services between MPLS and SRv6 Domains

This feature was modified.

Release 24.1.1

SRv6/MPLS L3 Service Interworking Gateway