Troubleshooting Flowchart
Figure 11-4
Troubleshooting flowchart for the fault that a BFD session cannot go Up
Configuration
of the BFD session is
committed?
Commit the
configuration
Is fault
rectified?
End
No
Yes
BFD packets
can be received and
sent correctly?
Yes
Statistics
about error packets
exist?
No
No
Two ends
Of the BFD session
can ping each
other?
Yes
No
Statistics
about the times the
BFD session goes
Down exist?
Adjust the BFD
detection time
Is fault rectified?
End
Check the link
No
End
Yes
No
Yes
No
Yes
Seek
technical
support
Seek technical
support
Yes
Is fault rectified?
No
Yes
No
A BFD session
cannot go Up
Discriminators
on both ends are
consistent?
Delete the
setting and set
the consistent
discriminators
on both ends
Is fault
rectified?
No
Yes
End
Yes
No
Huawei AR2200-S Series Enterprise Routers
Troubleshooting
11 Reliability
Issue 01 (2012-01-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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