3com S7906E Manuel De Montage

 

1-8 

As shown in the following figure, configure a static route on Switch A to Switch C and enable BFD. 

When the link between Switch A and Switch B fails, Switch A selects Switch D to reach Switch C. 

Figure 1-2 Network diagram for BFD echo packet mode configuration for static routing 

 

 

1)  Configure IP addresses for interfaces (omitted). 

2) Configure 

BFD 

# Configure a static route on Switch A and enable BFD on it. Implement BFD through BFD echo 

packets.  

<SwitchA> system-view 

[SwitchA] bfd echo-source-ip 123.1.1.1 

[SwitchA] interface vlan-interface 10 

[SwitchA-vlan-interface10] bfd min-echo-receive-interval 500 

[SwitchA-vlan-interface10] bfd detect-multiplier 7 

[SwitchA-vlan-interface10] quit 

[SwitchA] ip route-static 120.1.1.1 24 vlan-interface 10 10.1.1.100 bfd echo-packet 

[SwitchA] ip route-static 120.1.1.1 24 vlan-interface 11 11.1.1.2 preference 65 

[SwitchA] quit 

3)  Verify the configuration 

# Display BFD session information on Switch A. 

<SwitchA> display bfd session 

 

Total Session Num: 1            Init Mode: Active 

 

 Session Working Under Echo Mode: 

 

 LD            SourceAddr      DestAddr        State Holdtime Interface 

 7             10.1.1.102      10.1.1.100       Up    1700ms   Vlan10 

# Display static route information on Switch A. 

<SwitchA> display ip routing-table protocol static 

Public Routing Table : Static 

Summary Count : 2