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This feature applies to RIP neighbors that are directly connected.
To configure BFD for RIP (single hop echo detection for a specific destination):
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Configure the source IP
address of BFD echo
packets.
bfd echo-source-ip
ip-address
By default, no source IP address
is configured for BFD echo
packets.
3. Enter interface view.
interface
interface-type
interface-number
N/A
4. Enable BFD for RIP.
rip bfd enable destination
ip-address
By default, BFD for RIP is
disabled.
Configuring bidirectional control detection
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter RIP view.
rip
[ process-id ] [
vpn-instance
vpn-instance-name ]
N/A
3. Specify a RIP neighbor.
peer
ip-address
By default, RIP does not unicast
updates to any peer.
Because the
undo peer
command does not remove the
neighbor relationship
immediately, executing the
command cannot bring down the
BFD session immediately.
4. Enter interface view.
interface
interface-type
interface-number
N/A
5. Enable BFD on the RIP
interface.
rip bfd enable
By default, BFD is disabled on a
RIP interface.
Configuring RIP FRR
A link or router failure on a path can cause packet loss and even routing loop until RIP completes
routing convergence based on the new network topology. FRR uses BFD to detect failures and
enables fast rerouting to minimize the impact of link or node failures.
Figure 6 Network diagram for RIP FRR
As shown in Figure 6, configure FRR on Router B by using a routing policy to specify a backup next
hop. When the primary link fails, RIP directs packets to the backup next hop. At the same time, RIP
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