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Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
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Chapter 5 Maintenance
Troubleshooting
Dedicated-PPP Users
Symptom
•
Interactive async user can connect and authenticate, but dedicated PPP user can not authenticate.
Possible Cause
•
AAA authentication PPP not defined.
• Autoselect PPP not defined under line.
• Autoselect during-login not defined under line.
• Back-end authentication rejected.
Symptom
•
User authenticates but gets disconnected.
Possible Cause
•
IP address could not be allocated - pool/dhcp.
• PPP negotiation failed due to incompatible parameters.
• MLP call but PPP multilink not enabled.
PPP Users
Symptom
•
User authenticated and successfully logged in but cannot get to anywhere.
Possible Cause
•
Modem is in retrain.
• User is treated as part of a multilink bundle.
• Incorrectly defined data-filters.
• Dialer-list x protocol ip permit is not defined.
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