H3C Technologies H3C S12500 Series Switches - Manual (Page 369)

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[SwitchB-Vlan-interface10] bfd min-transmit-interval 500
[SwitchB-Vlan-interface10] bfd min-receive-interval 500
[SwitchB-Vlan-interface10] bfd detect-multiplier 6
4. Verify the configuration:
The following operations are made on Switch A. Operations for Switch B are similar. (Details not
shown.)
# Display the BFD information on Switch A.
<SwitchA> display bfd session
Total Session Num: 1 Init Mode: Active
IPv6 Session Working Under Ctrl Mode:
Local Discr: 1441 Remote Discr: 1450
Source IP: FE80::20F:FF:FE00:1202 (link-local address of VLAN-interface 10 on
Switch A)
Destination IP: FE80::20F:FF:FE00:1200 (link-local address of VLAN-interface 10 on
Switch B)
Session State: Up Interface: Vlan10
Hold Time: /
# Display routes destined for 2001:4::0/64 on Switch A.
<SwitchA> display ipv6 routing-table 2001:4::0 64 verbose
Routing Table :
Summary Count : 2
Destination : 2001:4::0 PrefixLength : 64
NextHop : 2001::2 Preference : 15
IpPrecedence : QosLcId :
RelayNextHop : :: Tag : 0H
Neighbor : :: ProcessID : 0
Interface : Vlan-interface10 Protocol : ISISv6
State : Active Adv Cost : 20
Tunnel ID : 0x0 Label : NULL
Age : 4538sec
Destination : 2001:4::0 PrefixLength : 64
NextHop : 2001:2::2 Preference : 15
IpPrecedence : QosLcId :
RelayNextHop : :: Tag : 0H
Neighbor : :: ProcessID : 0
Interface : Vlan-interface11 Protocol : ISISv6
State : Invalid Adv Cost : 30
Tunnel ID : 0x0 Label : NULL
Age : 4515sec
The output shows that Switch A and Switch B communicate through VLAN-interface 10. Then the
link over VLAN-interface 10 fails.
# Enable BFD debugging on Switch A.
<SwitchA> debugging bfd scm