Enabling The Logging Of Neighbor State Changes - H3C S5800 Series Configuration Manual

To do...
Configure the source address of
echo packets
Enter IS-IS view
Enable IS-IS FRR to automatically
calculate a backup next hop
Configure IS-IS FRR to designate the backup next hop with a route policy
You can use the apply fast-reroute backup-interface command to specify a backup next hop in a
route policy for routes matching specific criteria. For details about the apply fast-reroute
backup-interface command and route policy configurations, see Route Policy Configuration of the
Layer 3 - IP Routing Configuration Guide.
Follow these steps to configure IS-IS FRR:
To do...
Enter system view
Configure the source address of
echo packets
Enter IS-IS view
Enable IS-IS FRR to designate a
backup next hop by using a route
policy

Enabling the Logging of Neighbor State Changes

Follow these steps to enable the logging of neighbor state changes:
To do...
Enter system view
Enter IS-IS view
Enable the logging of neighbor
state changes
Use the command...
bfd echo-source-ip ip-address
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
fast-reroute auto
Use the command...
system-view
bfd echo-source-ip ip-address
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
fast-reroute route-policy
route-policy-name
Use the command...
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
log-peer-change
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Remarks
Required
Not configured by default.
—
Required
Not configured by default.
Remarks
—
Required
Not configured by default.
—
Required
Not configured by default.
Remarks
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––
Required
Enabled by default