HP 4800G Series Configuration Manual page 1611

[SwitchA-bgp] peer 10.1.0.102 as-number 100
[SwitchA-bgp] peer 10.1.0.102 bfd
[SwitchA-bgp] quit
# Configure Switch B.
[SwitchB] bgp 100
[SwitchB-bgp] peer 10.1.0.100 as-number 100
[SwitchB-bgp] peer 10.1.0.100 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 300
[SwitchA-Vlan-interface10] bfd min-receive-interval 300
[SwitchA-Vlan-interface10] bfd detect-multiplier 7
[SwitchA-Vlan-interface10] bfd authentication-mode simple 1 zhang
[SwitchA-Vlan-interface10] quit
[SwitchA] quit
# Configure Switch B.
[SwitchB] bfd session init-mode active
[SwitchB-vlan10] interface Vlan-interface 10
[SwitchB-Vlan-interface10] bfd min-transmit-interval 300
[SwitchB-Vlan-interface10] bfd min-receive-interval 300
[SwitchB-Vlan-interface10] bfd detect-multiplier 6
[SwitchB-Vlan-interface10] bfd authentication-mode simple 1 zhang
4) Verify the configuration.
# Enable BFD debugging on Switch A.
<SwitchA> debugging bfd scm
<SwitchA> debugging bfd event
<SwitchA> debugging bgp bfd
# Display the detailed BFD neighbor information of Switch A.
<SwitchA> display bfd session verbose
Total Session Num: 1
Session Working Under Ctrl Mode:
Local Discr: 4
Source IP: 10.1.0.102
Session State: Up
Min Trans Inter: 300ms
Min Recv Inter: 300ms
Recv Pkt Num: 52
Hold Time: 1600ms
Establish Time: 02:42:53
Init Mode: Active
Remote Discr: 4
Destination IP: 10.1.0.100
Interface: Vlan10
Act Trans Inter: 300ms
Act Detect Inter: 2000ms
Send Pkt Num: 50
Connect Type: Direct
Last Down Time: 02:42:53
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