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

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[RouterB-GigabitEthernet1/0/1] quit
[RouterB] interface gigabitethernet 1/0/2
[RouterB-GigabitEthernet1/0/2] ip address 11.0.0.1 255.0.0.0
[RouterB-GigabitEthernet1/0/2] quit
[RouterB] interface ethernet 1/0/3
[RouterB-GigabitEthernet1/0/3] ip address 12.0.0.1 255.0.0.0
[RouterB-GigabitEthernet1/0/3] quit
# Configure RIP.
[RouterB] rip
[RouterB-rip-1] network 1.0.0.0
[RouterB-rip-1] network 2.0.0.0
[RouterB-rip-1] network 10.0.0.0
[RouterB-rip-1] network 11.0.0.0
[RouterB-rip-1] network 12.0.0.0
[RouterB-rip-1] import-route direct
Troubleshooting
Symptom 1: Failure to establish a dialup connection
DDR dialup connection cannot be set up because the modem does not dial when the router forwards
data.
Solution
To resolve the problem:
• Verify that the modem and phone cable connections are correct, and that the modem initialization
process is correct.
• Verify that the dialup interface, if it is synchronous/asynchronous, is set to operate as an
asynchronous interface in protocol mode.
• Verify that DDR is enabled on the dialup interface.
• Verify that a dialer route or dialer number command is available for the packets.
Symptom 2: Ping failure
The remote end cannot be pinged after the modem is connected.
Solution
To resolve the problem:
• Use the debugging ppp all command to verify that the same link layer encapsulation is used at the
two ends, and that correct PPP parameters are configured for authentication.
• Verify that a correct IP address is assigned to the dialup interface.
• Verify that DDR is enabled on the dialup interface.
• Verify that the correct dialer-group and dialer-group rule commands are configured and
associated to make sure the packets can pass.
• Use the debugging dialer event and debugging dialer packet commands to locate the problem.