User Manual - Configuration Guide (Volume 3)
Versatile Routing Platform Chapter 1
DDR Configuration
1-49
Quidway(config-if-Bri0)# dialer pool-member 1
Quidway(config-if-Bri0)# encapsulation ppp
Quidway(config-if-Bri0)# ppp authentication pap
1.6.10 Two Serial Ports for Dial-up and Remote Dial Connection – Case 3
Case 3: DDR in which one serial port is used for dial access to Internet and another f or
remote dial connection.
I. Networking requirements
One of the two B channels of ISDN BRI can be used for private line and the other for
dial-up. As shown in the following diagram, router A and router B are interconnected
with one B channel, the other B channel dial to router B.
II. Networking diagram
Router A ISDN
Router B
8810152
8810148
Router C
Figure DC-1-12 Networking diagram of DDR – Case 3
III. Configuration procedure
Solution: use Legacy DDR configuration to realize:
1) Configure router A:
Quidway(config)# dialer-list 1 protocol ip permit
Quidway(config)# interface bri 0
Quidway(config-if-Bri0)# ip address 100.1.1.1 255.255.255.0
Quidway(config-if-Bri0)# dialer isdn-leased 1
Quidway(config-if-Bri0)# dialer-group 1
Quidway(config-if-Bri0)# dialer map ip 100.1.1.2 8810152
Quidway(config-if-Bri0)# dialer map ip 100.1.1.3
2) Configure router B:
Quidway(config)# dialer-list 1 protocol ip permit
Quidway(config)# interface bri 0
Quidway(config-if-Bri0)# ip address 100.1.1.2 255.255.255.0
Quidway(config-if-Bri0)# dialer-group 1
Quidway(config-if-Bri0)# dialer map ip 100.1.1.1 8810148
3) Configure router C: