Troubleshooting guide

*Mar 3 03:30:09.379: Vi1 CHAP: Username 6400−2−NRP3 not found
*Mar 3 03:30:09.383: Vi1 CHAP: Using default password
*Mar 3 03:30:09.383: Vi1 CHAP: O RESPONSE id 41 Len 26 from "cisco"
*Mar 3 03:30:09.431: Vi1 CHAP: I SUCCESS id 41 Len 4
!−−− CHAP negotiation was a success.
*Mar 3 03:30:09.431: Vi1 PPP: Phase is UP [0 sess, 1 load]
<... snipped ...>
Router#undebug all
The following example shows a successful PAP negotiation.
Router#debug ppp negotiation
<... snipped ...>
*Mar 3 03:33:19.491: Vi1 LCP: State is Open
*Mar 3 03:33:19.491: Vi1 PPP: Phase is AUTHENTICATING, by the peer [0 sess, 0 load]
*Mar 3 03:33:19.495: Vi1 PAP: O AUTH−REQ id 255 Len 16 from "cisco"
*Mar 3 03:33:19.539: Vi1 PAP: I AUTH−ACK id 255 Len 5
*Mar 3 03:33:19.539: Vi1 PPP: Phase is UP [0 sess, 0 load]
!−−− PAP negotiation was a success.
<... snipped ...>
Router#undebug all
Related Information
Cisco ADSL Technology Support•
Cisco DSL Technology Support•
Contact the Cisco Technical Assistance Center
If you need additional assistance implementing PPPoA, contact the Cisco Technical Assistance Center (TAC).
Note: To use the Case Open tool to open a case online, you must be a registered user and you must be logged
in.
Call the TAC
If you do not have a service contract with Cisco and need assistance implementing PPPoA, direct your web
browser to Cisco's Warranty Status Tool.
PPPoA Implementations Page Main Page
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Cisco DSL Router Configuration and Troubleshooting
Guide
Cisco DSL Router Configuration and Troubleshooting Guide