Configuring IS-IS FRR to automatically calculate a backup next hop

1. Enter system view.

system-view

N/A

2. Configure the source address of echo packets.

bfd echo-source-ip ip-address

By default, the source address of echo packets is not configured.

3. Enter IS-IS view.

isis [ process-id ] [ vpn-instance vpn-instance-name ]

N/A

4. Enable IS-IS FRR to automatically calculate a backup next hop.

fast-reroute auto

By default, IS-IS FRR is disabled.