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DES-7200 Configuration Guide Chapter 3 BFD Configuration
3-36
3.4.3 Example of Configuring BFD
for BGP
3.4.3.1 Network Requirement
RouterA and RouterB are interconnected through a L2 switch. Both routers
run the BGP protocol and enable the BFD for BGP on the interface. After a
link failure between RouterB and L2 switch occurs, BFD detects the failure
and notifies the BGP of the failure, triggering the rapid convergence.
3.4.3.2 Network Topology
Figure-6 Topology of Configuring BFD for BGP
3.4.3.3 Configuration Steps
1) RouterA Configuration
# Configure the Routed Port, the IP address, the BFD session parameter for
Router A:
DES-7200# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
DES-7200(config)# interface GigabitEthernet2/1
DES-7200(config-if)# no switchport
DES-7200(config-if)# ip address 172.16.11.1 255.255.255.0
DES-7200(config-if)# bfd interval 200 min_rx 200 multiplier 5
# Configure the Routed Port gi1/1:
DES-7200(config-if)# exit
DES-7200(config)# interface GigabitEthernet1/1
DES-7200(config-if)# no switchport
DES-7200(config-if)# ip address 172.19.0.1 255.255.255.0