MPLS Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 7.5.x

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Updated:: March 1, 2023

New and Changed MPLS Features

This table summarizes the new and changed feature information for the Cisco ASR 9000 Series Aggregation Services Router MPLS Configuration Guide and tells you where they are documented.

New and Changed MPLS Feature Information

Table 1. New and Changed Features
Feature	Description	Changed in Release	Where Documented
Autoroute Announce with IS-IS for Anycast Prefixes	This feature was introduced.	Release 7.5.4	Autoroute Announce with ISIS
Self-Ping Probe for Reoptimized LSP	This feature was introduced.	Release 7.5.3	Self-Ping Probe for Reoptimized LSP
Bandwidth Protection Functions to Enhance auto-tunnel backup Capabilities.	This feature introduces bandwidth protection functions for auto-tunnel backups, such as signaled bandwidth, bandwidth protection, and soft-preemption. These functions provide better bandwidth usage and prevent traffic congestion and traffic loss.	Release 7.5.1	Bandwidth Protection Functions to Enhance auto-tunnel backup Capabilities.

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