Per-Prefix Loop Free Alternate Tie-Break IP FRR has the following tie break rules in the order given below. If you have more than one repair path available to choose the best path from, the following tie-break rules are applied. If more than one path matches all...
Topology Independent Loop-free Alternate Fast Re-route (TI-LFA) aims at providing protection of node and adjacency segments within the Segment Routing (SR) framework. A key aspect of TI-LFA is the FRR path selection approach establishing protection over the expected post- convergence paths from ...
Table 1 Feature Information for IS-IS Link-protection Topology Independent Loop Free Alternate Fast Reroute
Introduction This document describes how to configure Topology Independent - Loop Free Alternate (TI-LFA) in Segment Routing. The focus will be on TI-LFA configuration and verification on Cisco IOS® XR. Prerequisites Requirements Cisco recommends that you...
This feature increases the maximum number of labels that can be pushed on the Topology-Independent Loop-Free Alternate (TI-LFA) backup path (including the label of the protected prefix) from three to eight. The increase in TI-LFA backup labels prov...
This task describes how to enable per-prefix Topology Independent Loop-Free Alternate (TI-LFA) computation to converge traffic flows around link failures. Note TI-LFA can be configured on the instance, area, or interface. When configured on the instance or area, all interfaces in...
Classic Loop-Free Alternate (LFA) is topology dependent, and therefore cannot protect all destinations in all networks. A limitation of LFA is that, even if one or more LFAs exist, the optimal LFA may not always be provided. Remote LFA (RLFA) ext...
Chapter: Configure Topology-Independent Loop-Free Alternate (TI-LFA) Chapter Contents Close Table 1.Feature History Table Feature Name Release Information Feature Description mLDP LSP protection with optimal TI-LFA backup paths Release 24.4.1
Chapter: Configure Topology-Independent Loop-Free Alternate (TI-LFA) Chapter Contents Topology-Independent Loop-Free Alternate (TI-LFA) uses segment routing to provide link, node, and Shared Risk Link Groups (SRLG) protection in topologies where oth...