HP 4800G Series Configuration Manual page 1601

[SwitchA-Vlan-interface10] isis enable
[SwitchA-Vlan-interface10] isis bfd enable
[SwitchA-Vlan-interface10] quit
# Configure Switch B.
[SwitchB] isis
[SwitchB-isis-1] network-entity 10.0000.0000.0002.00
[SwitchB-isis-1] quit
[SwitchB] interface Vlan-interface 10
[SwitchB-Vlan-interface10] isis enable
[SwitchB-Vlan-interface10] isis bfd enable
[SwitchB-Vlan-interface10] quit
3) Configure BFD parameters.
# Configure Switch A.
[SwitchA] bfd session init-mode active
[SwitchA] interface Vlan-interface 10
[SwitchA-Vlan-interface10] bfd min-receive-interval 300
[SwitchA-Vlan-interface10] bfd min-transmit-interval 300
[SwitchA-Vlan-interface10] bfd authentication-mode simple 1 zhang
[SwitchA-Vlan-interface10] bfd detect-multiplier 7
[SwitchA-Vlan-interface10] quit
[SwitchA] quit
# Configure Switch B.
[SwitchB] bfd session init-mode active
[SwitchB] interface Vlan-interface 10
[SwitchB-Vlan-interface10] bfd min-receive-interval 500
[SwitchB-Vlan-interface10] bfd min-transmit-interval 500
[SwitchB-Vlan-interface10] bfd authentication-mode simple 1 zhang
[SwitchB-Vlan-interface10] bfd detect-multiplier 8
4) Verify the configuration.
# Display BFD information of Switch A.
<SwitchA> display bfd session
Total Session Num: 1
Session Working Under Ctrl Mode:
LD/RD SourceAddr
5/3 167.1.1.1
# Display IS-IS neighbor information of Switch A.
<SwitchA> display isis peer 1
System Id: 0000.0000.0002
Interface: vlan10
State: Up HoldTime: 24s
System Id: 0000.0000.0002
Interface: vlan10
State: Up HoldTime: 29s
# Enable BFD debugging on Switch A.
<SwitchA> debugging bfd scm
Init Mode: Active
DestAddr State Holdtime Interface
167.1.1.2 Up
Circuit Id: 0000.0000.0001.01
Type: L1(L1L2)
Circuit Id: 0000.0000.0001.01
Type: L2(L1L2)
1-16
1900ms vlan10
PRI: 64
PRI: 64