User manual

7 LAPB and X.25 configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
7-12 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
7.2.4 Checking the configuration
Run the following commands to check the previous configuration.
Action Command
Check information on the
interface.
display interface serial [ number ] [ | { begin | exclude |
include } regular-expression ]
7.3 Configuring an X.25 interface
7.3.1 Establishing the configuration task
Applicable environment
To make the link performance better, you change some parameters of X.25 in addition to the
configuration.
Preconfiguration tasks
Before configuring an X.25 interface, complete the following tasks:
z
Powering on the router and start the router normally.
z
Connecting the interface and configuring the physical parameters of the interface.
Data preparation
To configure X.25 interface, you need the following data.
No. Data
1 To configure the X.25 interface, you need:
z
X.121address
z
VC range
z
Size of receiving window and that of sending window of VC
z
Maximum size of packets received and sent
2 Additional parameters of x.25 datagram transmission include:
z
Timer delay value of restart procedure
z
Call procedure
z
Restore procedure
z
Clearing procedure
z
The alias for an interface and the default upper layer protocol borne on X.25