User Manual - Configuration Guide (Volume 3)
Versatile Routing Platform Chapter 1
DDR Configuration
1-28
Quidway(config)# dialer-list 1 protocol ip permit
Quidway(config)# user usera password 0 passa
Quidway(config)# interface dialer 0
Quidway(config-if-Dialer0)# ip address 100.1.1.2 255.255.255.0
Quidway(config-if-Dialer0)# dialer remote-name usera
Quidway(config-if-Dialer0)# dialer-group 1
Quidway(config-if-Dialer0)# dialer string 8810148
Quidway(config-if-Dialer0)# dialer pool 1
Quidway(config-if-Dialer0)# ppp pap sent-username userb password 0 passb
Quidway(config-if-Dialer0)# interface bri 0
Quidway(config-if-Bri0)# no dialer in-band
Quidway(config-if-Bri0)# dialer pool-member 1
Quidway(config-if-Bri0)# encapsulation ppp
Quidway(config-if-Bri0)# ppp authentication pap
1.6.4 Point-to-Multipoint DDR
I. Networking requirements
In the connection as shown in the following diagram, A and B can call each ot her, A and
C can call each other, but B and C can’t call each other.
II. Networking diagram
Router A PSTN
Modem
Router B
Modem
8810052
8810048
Modem
Router C
8810063
Connection Via serial port
through PSTN
Figure DC-1-7 Networking diagram of point-to-multipoint DDR configuration example
III. Configuration procedure
Solution 1: use Legacy DDR configuration mode to realize the following at the serial
port:
1) Configure router A:
Quidway(config)# dialer-list 1 protocol ip permit
Quidway(config)# interface serial 0