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[RouterB-Serial2/3/1:15] ip address 2.0.0.2 255.0.0.0

# Enable traditional DDR on the interface.

[RouterB-Serial2/3/1:15] dialer circular enable

# Associate the interface with dialer group 1.

[RouterB-Serial2/3/1:15] dialer-group 1

# Configure the dial string for calling Serial 2/3/1:15 on Router A.

[RouterB-Serial2/3/1:15] dialer route ip 2.0.0.1 mask 8 660330

[RouterB-Serial2/3/1:15] quit

# Configure the Ethernet interfaces connecting to the networks.

[RouterB] interface gigabitethernet 1/0/1

[RouterB-GigabitEthernet1/0/1] ip address 10.0.0.1 255.0.0.0

[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 established because the modem does not dial when the router

forwards data.

Solution

To resolve the problem:

1. Verify that the modem and phone cable connections are correct, and that the modem initialization

process is correct.

2. Verify that the dialup interface, if it is synchronous/asynchronous, is configured as an

asynchronous interface in protocol mode.

3. Verify that DDR is enabled on the dialup interface.

4. Verify that a dialer route or dialer number command is available for the packets.

HP MSR Router Series User Manual

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