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Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
DOC-7810814=
Chapter 3 Operations
Configuring PPP and Authentication
Figure 3-10 Troubleshooting Flow Chart for PPP and Authentication
Enter the show caller
command to inspect
the user's session.
Ye s
debug ppp authentication
debug aaa authentication
33181
debug ppp negotiation
debug aaa authorization
Authentication
negotiation
Network layer
configuration
(IPCP)
LCP
negotiation
User dials in
No
Ye s
Physical layer
Do the
modems
connect?
Did it
succeed?
Did it
succeed?
debug ppp error
debug ppp negotiation
debug modem
debug modem csm
show modem log
No
No
No
Ye s
Ye s
LCP layer
NCP layer
Did it
succeed?
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