fast-reroute ti-lfa (ISIS)
Use this command to enable Topology-Independent Loop-Free Alternate (TI-LFA) per level. TI-LFA uses segment routing to provide link, node, and Shared Risk Link Groups (SRLG) protection in topologies where other fast reroute techniques, such as RLFA (Remote Loop Free Alternative) cannot provide protection.
Use the no form of this command to disable TI-LFA.
Command Syntax
fast-reroute ti-lfa (level-1 | level-2) proto ipv4
no fast-reroute ti-lfa (level-1 | level-2) proto ipv4
Parameters
level-1
Level 1 only.
level-2
Level 2 only.
Default
TI-LFA is disabled.
Command Mode
ISIS router mode
Applicability
This command was introduced in OcNOS version 4.0.
Examples
#configure terminal
(config)#router isis 100
(config-router)#fast-reroute ti-lfa level-2 proto ipv4
(config-router)#no fast-reroute ti-lfa level-2 proto ipv4
Last modified date: 10/20/2023