Troubleshooting Flowchart
Figure 2-7 Troubleshooting flowchart used when an SNMP connection cannot be established
SNMP connection
fails
Can AR and NMS
ping each other?
Rectify the fault
according to The Ping
Operation Fails
Seek technical
support
End
Is
SNMP configured
correctly?
Is ACL configured
correctly?
Is fault rectified?
Modify SNMP
configuration
Is fault rectified?
Modify ACL to allow
the NMS to access
the device
Is fault rectified?
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Troubleshooting Procedure
NOTE
Saving the results of each troubleshooting step is recommended. If your troubleshooting fails to correct
the fault, you will have a record of your actions to provide Huawei technical support personnel.
Procedure
Step 1 Run the ping command to check whether the host and the NMS can successfully ping each other.
l If the ping fails, see The Ping Operation Fails to locate the problem so that the host and
NMS can ping each other.
l If the ping succeeds, the host and the NMS are reachable. Go to Step 2.
Step 2 Check whether the SNMP configuration on the host is correct.
l If the SNMP configuration is incorrect, modify the configuration based on Table 2-1.
l If the SNMP configuration is correct, go to step 3.
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 2 System
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
27
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