User manual

7 LAPB and X.25 configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
7-78 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
Step 2 After configuring the VC range, use the shutdown command and the undo shutdown
command to activate the configuration.
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7.9.7 After SVC application of XOT is configured, the ping fails
Fault description
After you configure the SVC application of XOT, the ping operation fails.
Fault analysis
The possible causes are:
z
The physical connection is in the faulty condition.
z
SVC is configured incorrectly.
z
XOT is configured incorrectly.
Troubleshooting procedure
Do as follows on the routers:
Step 1 Check whether the interface status and the protocol status are Up.
Step 2 If the interface is Down, check whether the physical connection and configuration are correct.
Step 3 Check whether the SVC is configured correctly.
Step 4 Check whether the XOT is configured correctly.
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7.9.8 After PVC application of XOT is configured, the ping fails
Fault Description
After you configure the SVC application of XOT, the ping operation fails.
Fault analysis
The possible causes are:
z
The physical connection is in the faulty condition.
z
PVC is configured incorrectly.
z
XOT is configured incorrectly.
Troubleshooting procedure
Do as follows on the routers:
Step 1 Check whether the interface status and the protocol status are Up.