HP 4800G Series Configuration Manual page 1621

[SwitchA-vlan-interface12] bfd min-transmit-interval 500
[SwitchA-vlan-interface12] bfd min-receive-interval 500
[SwitchA-vlan-interface12] bfd detect-multiplier 9
[SwitchA-vlan-interface12] quit
[SwitchA] ip route-static 14.1.1.0 24 vlan-interface 12 12.1.1.2 bfd control-packet
[SwitchA] quit
# Configure Switch B.
<SwitchB> system-view
[SwitchB] interface vlan-interface 12
[SwitchB-vlan-interface12] ip address 12.1.1.2 24
[SwitchB-vlan-interface12] bfd min-transmit-interval 500
[SwitchB-vlan-interface12] bfd min-receive-interval 500
[SwitchB-vlan-interface12] bfd detect-multiplier 9
[SwitchB-vlan-interface12]] quit
[SwitchB] ip route-static 13.1.1.0 24 vlan-interface 12 12.1.1.1 bfd control-packet
[SwitchB] quit
2) Verify the configuration.
<SwitchA> display bfd session
Total Session Num: 1
Session Working Under Ctrl Mode:
LD/RD SourceAddr
4/7 12.1.1.1
# Display static routes on Switch A.
<SwitchA> display ip routing-table protocol static
Public Routing Table : Static
Summary Count : 1
Static Routing table Status : < Active>
Summary Count : 1
Destination/Mask
14.1.1.0/24
Static Routing table Status : < Inactive>
Summary Count : 0
# Enable BFD debugging on Switch A.
<SwitchA> debugging bfd event
<SwitchA> debugging bfd scm
<SwitchA> terminal debugging
# When the link between Switch A and Layer-2 switch fails, Switch A can detect the failure.
%Jul 27 10:18:18:672 2007 SwitchA BFD/4/LOG:Sess[12.1.1.1/12.1.1.2, Vlan12,Ctrl],
Sta: UP->DOWN, Diag: 1
*Jul 27 10:18:18:672 2007 SwitchA BFD/7/EVENT:Send sess-down Msg, [Src:12.1.1.1,
Dst:12.1.1.2, Vlan12,Ctrl], instance:0, protocol:STATIC
Init Mode: Active
DestAddr
12.1.1.2
Proto Pre Cost
Static 60 0
1-36
State Holdtime Interface
Up 2000ms Vlan12
NextHop Interface
12.1.1.2 Vlan12