3Com MSR 50 Series, Configuration Manual

Page: 327 / 2443

X.25 Configuration Examples 327
[RouterB] interface serial 2/0
[RouterB-Serial2/0] link-protocol x25 dce ietf
[RouterB-Serial2/0] x25 vc-range in-channel 10 20 bi-channel 30 1024
[RouterB-Serial2/0] x25 xot pvc 1 10.1.1.2 interface serial 2/0 pvc 2
# Configure Ethernet 1/0.
[RouterB] interface ethernet 1/0
[RouterB-Ethernet1/0] ip address 10.1.1.1 255.0.0.0
4
Configure Router C
# Enable X.25 switching.
<RouterC> system-view
[RouterC] x25 switching
# Configure Serial 2/0 and XOT route.
[RouterC] interface serial 2/0
[RouterC-Serial2/0] link-protocol x25 dce ietf
[RouterC-Serial2/0] x25 vc-range in-channel 10 20 bi-channel 30 1024
[RouterC-Serial2/0] x25 xot pvc 2 10.1.1.1 interface serial 2/0 pvc 1
# Configure Ethernet 1/0.
[RouterC] interface ethernet 1/0
[RouterC-Ethernet1/0] ip address 10.1.1.2 255.0.0.0
SVC Application of X.25
over FR
Network requirements
In the following figure, Router A is connected to Router B, Router C to Router D
through X.25. Router B is connected to Router C through FR. Configure FR Annex
G DLCI 100 on the two routers to interconnect the two X.25 networks, enabling
Host A and Host B to communicate with each other.
Network diagram
Figure 79 Network diagram for X.25 over FR SVC configuration
Configuration procedure
1
Configure Router A
# Configure X.25 basic functions.
<RouterA> system-view
[RouterA] interface serial 2/0
S2/0
1.1.1.1/24
X121 address :1
S2/0
1.1 .1.2/24
X121 address:2
S2/0
S2/0
S2 /1
S2/1
Eth1/0
Eth1/0
Router A Router B Router C Router D
Host A
Host B