Procedure
Step 1 Run the display current-configuration configuration bfd command to check that BFD is
enabled for a protocol.
l If BFD is not enabled for a protocol, enable BFD. Then, go to Step 2.
l If BFD is enabled, go to Step 3.
Step 2 Run the display bfd session all command to view the state field.
l If the state field in the command output is Up, it indicates that the BFD section has been
created.
l If the state field in the command output is not Up, go to step 3.
Step 3 Run the display ip routing-table command to check whether the route of the link detected by
the BFD session exists.
l If the route exists, go to step 4.
l If the route does not exist, the BFD session associated with the protocol fails to be created.
see the section The Ping Operation Fails.
Step 4 Run the interfaceinterface-typeinterface-number command to enter the view of the existing
interface,then run the display this command to check that a command is configured to disable
an interface to dynamically create a BFD session.
l If such a command is configured, Run the undo ospf bfd blockcommand to enable the
interface to dynamically create a BFD session. Then, run the display bfd session all
command to check whether the BFD session is Up. If the session is not up, go to step 5.
l If such a command is not configured, go to step 5.
Step 5 If the fault persists, collect the following information and contact Huawei technical support
personnel.
l Results of the preceding troubleshooting procedure.
l Configuration files, log files, and alarm files of the devices.
----End
Relevant Alarms and Logs
Relevant Alarms
None.
Relevant Logs
None.
11.3 VRRP Troubleshooting
11.3.1 Troubleshooting Cases
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 11 Reliability
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
335
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