196
Figure 58 Network diagram
Configuration procedure
1. Configure Router A:
# Create dialer group 1 and configure a dial rule for it.
<RouterA> system-view
[RouterA] dialer-group 1 rule ip permit
# Create local users userb and userc for authenticating Router B and Router C, and configure the
service type as PPP for them.
[RouterA] local-user userb class network
[RouterA-luser-network-userb] password simple userb
[RouterA-luser-network-userb] service-type ppp
[RouterA-luser-network-userb] quit
[RouterA] local-user userc class network
[RouterA-luser-network-userc] password simple userc
[RouterA-luser-network-userc] service-type ppp
[RouterA-luser-network-userc] quit
# Configure an IP address for interface Dialer 0.
[RouterA] interface dialer 0
[RouterA-Dialer0] ip address 100.1.1.1 255.255.255.0
# Enable bundle DDR on the interface.
[RouterA-Dialer0] dialer bundle enable
# Specify the host name of the remote router allowed to call in.
[RouterA-Dialer0] dialer peer-name userb
# Associate the interface with dialer group 1.
[RouterA-Dialer0] dialer-group 1
# Configure PAP authentication on the interface.
[RouterA-Dialer0] ppp authentication-mode pap
[RouterA-Dialer0] ppp pap local-user usera password simple usera
# Configure the dial string for calling Router B.
[RouterA-Dialer0] dialer number 8810052
[RouterA-Dialer0] quit
PSTN
Modem
Router B
Router C
Router A
Modem
Modem
Modem
Ser2/1/0
Ser2/1/0
Ser2/1/1
Ser2/1/0
Dialer 0
100.1.1.1/24
8810048
8810049
8810052
8810063
Dialer 0
100.1.1.2/24
Dialer 0
122.1.1.2/24
Dialer 1
122.1.1.1/24