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• DCC is enabled on the dialup interface.
• A dialer route or dialer number command is available for the packets.
Symptom 2
The remote end cannot be pinged after the modem is connected.
Solution
Check that:
• The same link layer encapsulation is used at the two ends, and correct PPP parameters are
configured for authentication. Use the debugging ppp all command to verify that.
• A correct IP address is assigned to the dialup interface (physical or dialer interface).
• DCC is enabled on the dialup interface.
• The correct dialer-group and dialer-rule commands are configured and associated to make
sure that the packets can pass.
• Use the debugging dialer event and debugging dialer packet commands to locate the
problem.