3com S7906E Manuel De Montage

1-65

Figure 1-27 Network diagram for BFD configuration on a BGP link

BFD

AS 100

L2 switch

Switch A

Switch B

Vlan-int10
10.1.0.102/24

Vlan-int10

10.1.0.100/24

Configuration procedure

1) Configure VLAN interfaces.

# Configure Switch A.

<SwitchA> system-view

[SwitchA-vlan10] interface vlan-interface 10

[SwitchA-Vlan-interface10] ip address 10.1.0.102 24

[SwitchA-Vlan-interface10] quit

# Configure Switch B.

<SwitchB> system-view

[SwitchB-vlan10] interface vlan-interface 10

[SwitchB-Vlan-interface10] ip address 10.1.0.100 24

[SwitchB-Vlan-interface10] quit

2) Configure BGP basic functions.

# Configure Switch A.

[SwitchA] bgp 100

[SwitchA-bgp] peer 10.1.0.100 as-number 100

[SwitchA-bgp] peer 10.1.0.100 bfd

[SwitchA-bgp] quit

# Configure Switch B.

[SwitchB] bgp 100

[SwitchB-bgp] peer 10.1.0.102 as-number 100

[SwitchB-bgp] peer 10.1.0.102 bfd

[SwitchB-bgp] quit

3) Configure BFD parameters.

# Configure Switch A.

[SwitchA] bfd session init-mode active

[SwitchA-vlan10] interface vlan-interface 10

[SwitchA-Vlan-interface10] bfd min-transmit-interval 500

[SwitchA-Vlan-interface10] bfd min-receive-interval 500

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

[SwitchA-Vlan-interface10] quit

[SwitchA] quit