User manual

Nortel Secure Router 8000 Series
Configuration -WAN Access 7 LAPB and X.25 configuration
Issue 5.3 (
30 March 2009) Nortel Networks Inc. 7-37
PVC
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface serial interface-number
The interface view appears.
Step 3 Run:
x25 xot pvc pvc-number1 ip-address interface serial interface-number pvc pvc-number2
[ [ timer seconds ] [ retry times ] [ source serial interface-number ] [ packet-size
input-packet output-packet ] [ window-size input-window-size output-window-size ] ] *
The command configures PVC Keepalive and XOT-source attributes.
----End
7.6.6 Checking the configuration
Run the following commands to check the previous configuration.
Action Command
Display X.25 XOT VC.
display x25 xot
7.7 Maintaining LAPB and X.25
This section covers the following topics:
z
Clearing the serial interface LAPB statistics
z
Debugging X.25
7.7.1 Clearing the serial interface LAPB statistics
To clear the LAPB statistics, run the following reset command in the interface view.
Action Command
Clear the lapb statistics
of the serial interface
reset lapb statistics