Nortel Networks 8000 User Manual
Page 257
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7 LAPB and X.25 configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
[RouterA-Serial1/0/0.1]
[RouterA-Serial1/0/0.1]
[RouterA-Serial1/0/0.1]
shutdown
undo shutdown
quit
# Create the sub-interface Serial 1/0/0.2.
[RouterA-Serial1/0/0
[RouterA-Serial1/0/0
[RouterA-Serial1/0/0
[RouterA-Serial1/0/0
[RouterA-Serial1/0/0
1] interface serial 1/0/0.2
2] ip address 20.1.1.2 255.255.0.0
2] x25 map ip 20.1.1.1 x121-address 300
2] shutdown
2] undo shutdown
Step 2
Configure Router B.
[RouterB] interface serial 1/0/0
[RouterB-Serial1/0/0] link-protocol x25 dte
[RouterB-Serial1/0/0] x25 x121-address 200
[RouterB-Serial1/0/0] x25 map ip 10.1.1.2 x121-address 100
[RouterB-Serial1/0/0] ip address 10.1.1.1 255.255.0.0
[RouterB-Serial1/0/0] shutdown
[RouterB-Serial1/0/0] undo shutdown
Step 3
Configure Router C.
[RouterC] interface serial 1/0/0
[RouterC-Serial1/0/0]
[RouterC-Serial1/0/0]
[RouterC-Serial1/0/0]
[RouterC-Serial1/0/0]
[RouterC-Serial1/0/0]
[RouterC-Serial1/0/0]
link-protocol x25 dte
x25 x121-address 300
x25 map ip 20.1.1.2 x121-address 100
ip address 20.1.1.1 255.255.0.0
shutdown
undo shutdown
Step 4
Configure Router D.
[RouterD] interface serial 1/0/0
[RouterD-Serial1/0/0] link-protocol x25 dce
[RouterD-Serial1/0/0] interface serial 1/0/0
[RouterD-Serial1/0/0] quit
[RouterD] interface serial 1/0/1
[RouterD-Serial1/0/1] link-protocol x25 dce
[RouterD-Serial1/0/1] quit
[RouterD] interface serial 1/0/2
[RouterD-Serial1/0/2] link-protocol x25 dce
[RouterD-Serial1/0/2] quit
[RouterD] x25 switching
[RouterD] x25 switch svc 100 interface serial 1/0/0
[RouterD] x25 switch svc 200 interface serial 1/0/1
[RouterD] x25 switch svc 300 interface serial 1/0/2
Step 5
Verify the configuration.
Ping Router B and Router C on Router A. The ping is successful.
# Display the mapping information about Router A.
7-54
Nortel Networks Inc.
Issue 5.3 (30 March 2009)