PurposeCommand or Action
Enters BGP configuration mode, allowing you to configure the
BGP routing process.
router bgp autonomous-system-number
Example:
RP/0/RSP0/CPU0:router(config)# router bgp
120
Step 2
Use the show bgp command in EXEC mode to obtain the
autonomous-system-number for the current router.
Sets the BFD minimum interval. Range is 15-30000 milliseconds.
bfd minimum-interval milliseconds
Example:
RP/0/RSP0/CPU0:router(config-bgp)# bfd
minimum-interval 6500
Step 3
Sets the BFD multiplier.
bfd multiplier multiplier
Example:
RP/0/RSP0/CPU0:router(config-bgp)# bfd
multiplier 7
Step 4
Places the router in neighbor configuration mode for BGP routing
and configures the neighbor IP address as a BGP peer.
neighbor ip-address
Example:
RP/0/RSP0/CPU0:router(config-bgp)# neighbor
172.168.40.24
Step 5
This example configures the IP address 172.168.40.24 as a BGP
peer.
Creates a neighbor and assigns it a remote autonomous system.
remote-as autonomous-system-number
Step 6
Example:
RP/0/RSP0/CPU0:router(config-bgp-nbr)#
remote-as 2002
This example configures the remote autonomous system to be
2002.
Enables BFD between the local networking devices and the
neighbor whose IP address you configured to be a BGP peer in
Step 5.
bfd fast-detect
Example:
RP/0/RSP0/CPU0:router(config-bgp-nbr)# bfd
fast-detect
Step 7
In the example in Step 5, the IP address 172.168.40.24 was set up
as the BGP peer. In this example, BFD is enabled between the
local networking devices and the neighbor 172.168.40.24.
commit
Step 8
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.
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
256
Implementing BFD
Configuring BFD Under a Dynamic Routing Protocol or Using a Static Route
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