User manual

7 LAPB and X.25 configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
7-70 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
Step 1 Configure Router A.
# Configure Ethernet 2/0/0.
<RouterA> system-view
[RouterA] interface ethernet 2/0/0
[RouterA-Ethernet2/0/0] ip address 10.1.1.1 255.255.255.0
[RouterA-Ethernet2/0/0] quit
# Configure Serial 1/0/0.
[RouterA] interface serial 1/0/0
[RouterA-Serial1/0/0] link-protocol x25 dte
[RouterA-Serial1/0/0] x25 x121-address 1111
[RouterA-Serial1/0/0] ip address 1.1.1.1 255.255.255.0
[RouterA-Serial1/0/0] x25 map ip 1.1.1.3 x121-address 3333
[RouterA-Serial1/0/0] x25 vc-per-map 2
[RouterA-Serial1/0/0] shutdown
[RouterA-Serial1/0/0] undo shutdown
# Configure static route to Router C.
[RouterA] ip route-static 10.3.1.0 24 1.1.1.3
Step 2 Configure Router B.
# Configure Ethernet 2/0/0.
<RouterB> system-view
[RouterB] interface ethernet 2/0/0
[RouterB-Ethernet2/0/0] ip address 10.2.1.1 255.255.255.0
[RouterB-Ethernet2/0/0] quit
# Configure Serial 1/0/0.
[RouterB] interface serial 1/0/0
[RouterB-Serial1/0/0] link-protocol x25 dte
[RouterB-Serial1/0/0] x25 x121-address 2222
[RouterB-Serial1/0/0] ip address 1.1.1.2 255.255.255.0
[RouterB-Serial1/0/0] x25 map ip 1.1.1.3 x121-address 3333
[RouterB-Serial1/0/0] x25 vc-per-map 2
[RouterB-Serial1/0/0] shutdown
[RouterB-Serial1/0/0] undo shutdown
[RouterB-Serial1/0/0] quit
# Configure the static route to Router C.
[RouterB] ip route-static 10.3.1.0 24 1.1.1.3
Step 3 Configure Router C.
# Configure Ethernet 2/0/0.
<RouterC> system-view
[RouterC] interface ethernet 2/0/0
[RouterC-Ethernet2/0/0] ip address 10.3.1.1 255.255.255.0
[RouterC-Ethernet2/0/0] quit
# Configure Serial 1/0/0.
[RouterC] interface serial 1/0/0