R0106-HP MSR Router Series Layer 2 - WAN Configuration Guide(V7)

181
[RouterC-Serial2/1/0] link-protocol ppp
# Configure PAP authentication on the interface.
[RouterC-Serial2/1/0] ppp authentication-mode pap
[RouterC-Serial2/1/0] ppp pap local-user userc password simple userc
[RouterC-Serial2/1/0] quit
# Configure the user line to be used, and enable modem dial-in and dial-out on it.
[RouterC] line tty1
[RouterC-line-tty1] modem enable both
Verifying the configuration
# Verify that Router A can successfully ping Router B and Router C.
# Verify that Router B and Router C cannot ping each other.
ISDN-based traditional DDR configuration example
Network requirements
As shown in Figure 53, the interfaces BRI 2/4/0 of Router A, Router B, and Router C are in the same
network.
Configure traditional DDR to meet the following requirements:
• Allow Router A to call Router B and Router C from multiple interfaces.
• Disable Router B and Router C from calling each other.
Figure 53 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
# Configure an IP address for interface BRI 2/4/0.
[RouterA] interface bri 2/4/0
[RouterA-Bri2/4/0] ip address 100.1.1.1 255.255.255.0
# Enable traditional DDR on the interface.
[RouterA-Bri2/4/0] dialer circular enable