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Step
1.
Enter system view.
2.
Enter interface view.
3.
(Optional.) Disable LFA
calculation on the interface.
4.
Return to system view.
5.
Enter IS-IS IPv4 unicast
address family view.
6.
Enable IS-IS FRR using a
routing policy.
Enabling BFD for IS-IS FRR
By default, IS-IS FRR does not use BFD to detect primary link failures. To speed up IS-IS
convergence, enable BFD for IS-IS FRR to detect primary link failures.
To enable BFD control packet mode for IS-IS FRR:
Step
1.
Enter system view.
2.
Enter interface view.
3.
Enable BFD control packet
mode for IS-IS FRR.
To enable BFD echo packet mode for IS-IS FRR:
Step
1.
Enter system view.
2.
Configure the source IP
address of BFD echo packets.
3.
Enter interface view.
4.
Enable BFD echo packet
mode for IS-IS FRR.
Command
system-view
interface interface-type
interface-number
isis fast-reroute lfa-backup
exclude
quit
a
isis [ process-id ]
[ vpn-instance
vpn-instance-name ]
b
cost-style { wide |
wide-compatible }
c
address-family ipv4
[ unicast ]
fast-reroute route-policy
route-policy-name
Command
system-view
interface interface-type
interface-number
isis primary-path-detect bfd
ctrl
Command
system-view
bfd echo-source-ip ip-address
interface interface-type
interface-number
isis primary-path-detect bfd
echo
167
Remarks
N/A
N/A
By default, the interface
participates in LFA calculation,
and can be elected as a backup
interface.
N/A
N/A
By default, this feature is not
enabled.
Remarks
N/A
N/A
By default, BFD control packet
mode is disabled for IS-IS FRR.
Remarks
N/A
By default, the source IP address
of BFD echo packets is not
configured.
The source IP address cannot be
on the same network segment as
any local interface's IP address.
For more information, see High
Availability Command Reference.
N/A
By default, BFD echo packet
mode is disabled for IS-IS FRR.
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Table of Contents
Troubleshooting
