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Segment Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 7.2.x

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Updated:: January 29, 2021

Chapter: New and Changed Information for Segment Routing Features

New and Changed Information for Segment Routing Features
New and Changed Segment Routing Features

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

Segment Routing Features Added or Modified in IOS XR Release 7.2.x


Feature	Description	Introduced/Changed in Release	Where Documented
DHCPv6 Relay Agent Support over SRv6	This feature is introduced.	Release 7.2.2	DHCPv6 Relay Agent Support over SRv6
SRv6 Services: BGP Global IPv6	This feature is introduced.	Release 7.2.2	SRv6 Services: BGP Global IPv6
SRv6 Services: IPv6 L3VPN	This feature is introduced.	Release 7.2.2
Per-Flow Automated Steering	This feature is introduced.	Release 7.2.1	Per-Flow Automated Steering
SR-PCE Flexible Algorithm Multi-Domain Path Computation	This feature is introduced.	Release 7.2.1	SR-PCE Flexible Algorithm Multi-Domain Path Computation
SR-PCE Inter-Domain Path Computation Using Redistributed SID	This feature is introduced.	Release 7.2.1	Inter-Domain Path Computation Using Redistributed SID
SR-PCE TCP Authentication Option	This feature is introduced.	Release 7.2.1	About SR-PCE
SR-PCE Support for MPLS-TE LSPs	This feature is introduced.	Release 7.2.1	PCE Support for MPLS-TE LSPs
SRv6 Anycast Locator	This feature is introduced.	Release 7.2.1	Segment Routing over IPv6 Overview
SRv6 IS-IS Flex-Algo Flexible Algorithm Prefix Summarization	This feature is introduced.	Release 7.2.1	Configuring SRv6 IS-IS Flexible Algorithm
Global Weighted SRLG Protection for OSPF TI-LFA	This feature is introduced.	Release 7.2.1	Configuring Global Weighted SRLG Protection
SR-MPLS over GRE as TI-LFA Backup Path	This feature is introduced.	Release 7.2.1
Manual BGP-EPE Peering SIDs	This feature is introduced.	Release 7.2.1	Configuring Manual BGP-EPE Peering SIDs
BPG Peer Set SID	This feature is introduced.	Release 7.2.1	Segment Routing Egress Peer Engineering
EVPN (ELAN & ELINE multihoming) On-Demand Next Hop	This feature is introduced.	Release 7.2.1	On-Demand SR Policy – SR On-Demand Next-Hop
DHCPv4 Relay Agent and Proxy Support for SRv6 IPv4 L3VPN	This feature is introduced.	Release 7.2.1	DHCPv4 Relay Agent and Proxy Support over SRv6
IS-IS Flexible Algorithm Prefix Metric	This feature is introduced.	Release 7.2.1	Flexible Algorithm Prefix Metric
IS-IS Flexible Algorithm Delay Normalization	This feature is introduced.	Release 7.2.1	Delay Normalization

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