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240 CHAPTER 16: CONFIGURING LAPB AND X.25
[Router-Serial0]x25 x121-address 1
[Router-Serial0]x25 vc-range in-channel 10 20 bi-channel 30 1024
[Router-Serial0]x25 pvc 1 ip 1.1.1.2 x121-address 2
[Router-Serial0]ip address 1.1.1.1 255.0.0.0
2 Configure Router D:
a Configure the basic X.25 parameters.
[Router]interface serial 0
[Router-Serial0]link-protocol x25 dte ietf
[Router-Serial0]x25 x121-address 2
[Router-Serial0]x25 vc-range in-channel 10 20 bi-channel 30 1024
[Router-Serial0]x25 pvc 1 ip 1.1.1.1 x121-address 1
[Router-Serial0]ip address 1.1.1.2 255.0.0.0
3 Configure Router B:
a Enable X.25 switching.
[Router]x25 switching
b Enable switching on Frame Relay DCE.
[Router]fr switching
c Configure Serial 0 as the X.25 interface.
[Router]interface serial 0
[Router-Serial0]link-protocol x25 dce ietf
[Router-Serial0]x25 vc-range in-channel 10 20 bi-channel 30 1024
d Configure an X.25 template.
[Router]x25 template profile1
[Router-x25-profile1]x25 vc-range in-channel 10 20 bi-channel 30
1024
[Router-x25-profile1]x25 pvc 1 interface serial 0 pvc 1
e Configure S1 as the Frame Relay interface.
[Router]interface serial 1
[Router-Serial1]link-protocol fr
[Router-Serial1]fr interface-type dce
f Configure a Frame Relay Annex G DLCI.
[Router-Serial1]fr dlci 100
[Router-fr-dlci-100]annexg dce
g Apply the X.25 template to Annex G DLCI 100 (which is equivalent to
configure X.25 attributes for the Annex G DLCI).
[Router-fr-dlci-100]x25-template profile1
4 Configure Router C:
a Enable X.25 switching.
[Router]x25 switching
b Configure Serial 0.
[Router]interface serial 0
[Router-Serial0]link-protocol x25 dce ietf
[Router-Serial0]x25 vc-range in-channel 10 20 bi-channel 30 1024
c Configure an X.25 template.
[Router]x25 template profile1