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Segment Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x

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Updated:: March 27, 2018

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 6.3.x


Feature	Description	Introduced/Changed in Release	Where Documented
Segment Routing Microloop Avoidance	This feature was introduced.	Release 6.3.2	Configure Segment Routing Microloop Avoidance
Segment Routing Mapping Server	This feature was introduced.	Release 6.3.2	Configure Segment Routing Mapping Server
Segment Routing Local Block	This feature was introduced.	Release 6.3.1	Configure Segment Routing Global Block and Segment Routing Local Block
Segment Routing Global Block	The maximum size of the Segment Routing Global Block (SRGB) was increased from 65536 to 262,143.	Release 6.3.1	Configure Segment Routing Global Block and Segment Routing Local Block
Bandwidth-Based Local UCMP	This feature was introduced.	Release 6.3.1	Configure Segment Routing for IS-IS Protocol
Manually Allocated Adjacency SIDs	This feature was introduced.	Release 6.3.1	Configure Segment Routing for IS-IS Protocol
OAM for SR-BGP, SR-OSPF and SR-ISIS	This feature was introduced	Release 6.3.1	Using Segment Routing OAM

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