Enable TI-LFA Fast Reroute for ISIS-SR¶
- 
Enable Topology Independent Loop Free Alternate calculation on the Service Provider network for Fast Reroute. - Enable for the IPv4 Unicast AF only.
- Enable Link Protection mode for TI-LFA
- TI-LFA should be enabled for IS-IS Level 2.
 
- 
Ensure the proper delay is respected so micro-loops do not occur. 
Success
Lab Complete!
