Connecting Routers Through Isdn Bri Lines Running Ni - 3Com MSR 50 Series Configuration Manual

Connecting Routers
through ISDN BRI Lines
Running NI
Network diagram
Figure 122 Network diagram for ISDN configuration
Router A
CE / PRI 1/0
202 .38 .154 .1 /16
8810152
ISDN network
CE/PRI 1/0
202 .38.154.2/16
8810154
Router B
Configuration procedure
1 Configure Router A
# Create an ISDN PRI interface.
<RouterA> system-view
[RouterA] controller e1 1/0
[RouterA-E1 1/0] pri-set
[RouterA-E1 1/0] quit
# Configure an ISDN PRI interface.
[RouterA] interface serial 1/0:15
[RouterA-Serial1/0:15] ip address 202.38.154.1 255.255.0.0
[RouterA-Serial1/0:15] isdn protocol-type dss1
[RouterA-Serial1/0:15] dialer enable-circular
[RouterA-Serial1/0:15] dialer route ip 202.38.154.2 8810154
[RouterA-Serial1/0:15] dialer-group 1
[RouterA-Serial1/0:15] quit
[RouterA] dialer-rule 1 ip permit
2 Configure Router B
Follow the same procedures to configure Router B.
Network requirements
As shown in the following figure, Router A is connected to Router B through NI
protocol of ISDN BRI lines.
ISDN Configuration Example 435