Enabling BFD for OSPF on an Interface
The following procedures describe how to configure BFD for Open Shortest Path First (OSPF) on an interface.
The steps in the procedure are common to the steps for configuring BFD on IS-IS and MPLS-TE; only the
command mode differs.
BFD per interface configuration is supported for OSPF, OSFPv3, IS-IS, and MPLS-TE only. For information
about configuring BFD on an OSPFv3 interface, see Enabling BFD for OSPFv3 on an Interface.
Note
SUMMARY STEPS
1.
configure
2.
bfd multipath include locationnode-id
3.
router ospf process-name
4.
bfd minimum-interval milliseconds
5.
bfd multiplier multiplier
6.
area area-id
7.
interface type interface-path-id
8.
bfd fast-detect
9.
commit
10.
show run router ospf
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
(Optional) Enables BFD multipath for the specified bundle on the
interface. This step is required for bundle interfaces.
bfd multipath include locationnode-id
Example:
RP/0/RSP0/CPU0:router(config)# bfd
multipath include location 0/0/CPU0
Step 2
Note
•
This step must be repeated for every line card that
has a member link in the bundle interface.
Enters OSPF configuration mode, allowing you to configure the
OSPF routing process.
router ospf process-name
Example:
RP/0/RSP0/CPU0:router(config)# router ospf
0
Step 3
Use the show ospf command in EXEC configuration mode to
obtain the process-name for the current router.
Note
•
To configure BFD for IS-IS or MPLS-TE, enter the
corresponding configuration mode. For example,
for MPLS-TE, enter MPLS-TE configuration mode.
Sets the BFD minimum interval. Range is 15-30000 milliseconds.
bfd minimum-interval milliseconds
Step 4
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
OL-30423-03 199
Implementing BFD
Configuring BFD Under a Dynamic Routing Protocol or Using a Static Route
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