Nortel Networks 8000 - Manual (Page 281)

7 LAPB and X.25 configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
Step 2 After configuring the VC range, use the shutdown command and the undo shutdown
command to activate the configuration.
—End
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:
• The physical connection is in the faulty condition.
• SVC is configured incorrectly.
• 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.
—End
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:
• The physical connection is in the faulty condition.
• PVC is configured incorrectly.
• 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.
7-78 Nortel Networks Inc. Issue 5.3 (30 March 2009)