Verification
In this section, we will verify that the TI-LFA configuration is effective. For each primary path, ensure that, wherever available, a backup path has been calculated and installed in the RIB, LFIB, and FIB.
Verifying TI-LFA activation
The following output on the P2
router confirms the activation of TI-LFA on the interfaces involved in the IS-IS IGP:
RP/0/RP0/CPU0:P2#show isis interface Gi0/0/0/0 GigabitEthernet0/0/0/0 Enabled Adjacency Formation: Enabled Prefix Advertisement: Enabled IPv4 BFD: Disabled IPv6 BFD: Disabled BFD Min Interval: 150 ...