47 
[RouterA-rip-1] version 2 
[RouterA-rip-1] undo summary 
[RouterA-rip-1] network 192.168.1.0 
[RouterA-rip-1] quit 
[RouterA] interface ethernet 1/1 
[RouterA-Ethernet1/1] rip bfd enable 
[RouterA-Ethernet1/1] quit 
[RouterA] rip 2 
[RouterA-rip-2] network 192.168.2.0 
[RouterA-rip-2] quit 
# Configure Router B. 
<RouterB> system-view 
[RouterB] rip 1 
[RouterB-rip-1] version 2 
[RouterB-rip-1] undo summary 
[RouterB-rip-1] network 192.168.2.0 
[RouterB-rip-1] network 192.168.3.0 
[RouterB-rip-1] quit 
# Configure Router C.  
<RouterC> system-view 
[RouterC] rip 1 
[RouterC-rip-1] version 2 
[RouterC-rip-1] undo summary 
[RouterC-rip-1] network 192.168.1.0 
[RouterC-rip-1] network 192.168.3.0 
[RouterC-rip-1] import-route static 
[RouterC-rip-1] quit 
2.  Configure the BFD parameters on Ethernet 1/1 of Router A. 
[RouterA] bfd session init-mode active 
[RouterA] bfd echo-source-ip 11.11.11.11 
[RouterA] interface ethernet 1/1 
[RouterA-Ethernet1/1] bfd min-transmit-interval 500 
[RouterA-Ethernet1/1] bfd min-receive-interval 500 
[RouterA-Ethernet1/1] bfd detect-multiplier 7 
[RouterA-Ethernet1/1] return 
3.  Configure a static route on Router C. 
[RouterC] ip route-static 120.1.1.1 24 null 0 
Verifying the configuration 
# Display the BFD session information on Router A. 
<RouterA> display bfd session 
 
 Total Session Num: 1     Up Session Num: 1     Init Mode: Active 
 
 IPv4 Session Working Under Echo Mode: 
 
 LD          SourceAddr      DestAddr        State    Holdtime    Interface 
 4            192.168.1.1     192.168.1.2     Up       2000ms      Eth1/1