R21xx-HP FlexFabric 11900 Layer 3 IP Routing Configuration Guide

140
Configuring IS-IS FRR to automatically calculate a backup next
hop
Ste
p
Command Remarks
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.
Configuring IS-IS FRR using a routing policy
You can use the apply fast-reroute backup-interface command to specify a backup next hop in a routing
policy for routes matching specific criteria, and perform this task to reference the routing policy for IS-IS
FRR. For more information about the apply fast-reroute backup-interface command and routing policy
configurations, see "Configuring routing policies."
T
o configure IS-IS FRR using a routing policy:
Ste
p
Command Remarks
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 using a
routing policy.
fast-reroute route-policy
route-policy-name
By default, this feature is not
enabled.
Displaying and maintaining IS-IS
Execute display commands in any view and the reset command in user view.
Task Command
Display brief IS-IS configuration
information.
display isis brief [ process-id ]
Display the IS-IS GR status. display isis graceful-restart status [ level-1 | level-2 ] [ process-id ]
Display information about IS-IS enabled
interfaces.
display isis interface [ [ interface-type interface-number ] [ verbose ]
| statistics] [ process-id ]