Nortel Networks 8000 - Manual (Page 249)

7 LAPB and X.25 configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
/0/0] x25 window-size 5 5
/0/0] x25 packet-size 512 512
/0/0] x25 vc-range bi-channel 1 32
/0/0] x25 map ip 168.173.24.2 x121-address 30561002
/0/0] x25 map ip 168.173.24.3 x121-address 30561003
/0/0] shutdown
/0/0] undo shutdown
B.
# Configure an IP address for the interface.
system-view
[RouterB] interface Serial 1/0/0
[RouterB-Serial1/0/0] ip address 168.173.24.2 255.255.255.0
# Connect Router B to the public packet network and make the router serve as DTE side.
0/0]
0/0]
link-protocol x25 dte
x25 x121-address 30561002
0/0]
0/0]
0/0]
x25 window-size 5 5
x25 packet-size 512 512
x25 vc-range bi-channel 1 32
0/0] x25 map ip 168.173.24.1 x121-address 30561001
0/0] x25 map ip 168.173.24.3 x121-address 30561003
0/0]
0/0]
shutdown
undo shutdown
Step 3 Configure Router C.
# Configure an IP address for the interface.
system-view
[RouterC] interface Serial 1/0/0
[RouterC-Serial1/0/0] ip address 168.173.24.3 255.255.255.0
# Connect Router C to the public packet network and make the router serve as DTE side.
0/0]
0/0]
link-protocol x25 dte
x25 x121-address 30561003
0/0]
0/0]
0/0]
x25 window-size 5 5
x25 packet-size 512 512
x25 vc-range bi-channel 1 32
0/0] x25 map ip 168.173.24.1 x121-address 30561001
0/0] x25 map ip 168.173.24.2 x121-address 30561002
0/0]
0/0]
shutdown
undo shutdown
Step 4 Verify the configuration.
The three routers can ping through each other.
# Display the mapping information on Router A.
[RouterA] display x25 map
Interface: Serial6/0/0(protocol status is UP)
Ip address:ip 168.173.24.2 X.121 address:30561002
Map-type: SVC_MAP VC-number: 1
Facility:
Ip address:ip 168.173.24.3 X.121 address:30561003
7-46 Nortel Networks Inc. Issue 5.3 (30 March 2009)