Troubleshooting Pppoe; Authentication Failure In Pppoe Dialup; Symptom; Solution - H3C MSR Series Troubleshooting Manual

Command
display ipsec sa [ brief | count | interface
interface-type interface-number | { ipv6-policy |
policy } policy-name [ seq-number ] | profile
profile-name | remote [ ipv6 ] ip-address ]
debugging ike error
debugging ike event
debugging ike packet
debugging ike all
debugging ipsec all

Troubleshooting PPPoE

Authentication failure in PPPoE dialup

Symptom

In a standard PPPoE network, the MSR router acts as a PPPoE server, and the CAMS server acts as
an authentication server.
Client authentication failed.
The client carries an incorrect username (not assigned by the system):
Host Len: 42
Host Len:

Solution

To resolve the issue:
Troubleshoot the MSR router. Execute the debugging ppp all command and the
1.
debugging radius packet command to view the debugging information:
*Oct 22 14:00:07:012 2014 3640 PPP/7/PAP_PACKET_0:
PPP Packet:
0W'ZK5A9fd00001 16
*Oct 22 14:00:07:012 2014 3640 PPP/7/PAP_EVENT_0:
PPP Event:
*Oct 22 14:00:07:013 2014 3640 PPP/7/PAP_STATE_0:
Name:a:2yZsyoBNb16F355VlFaYDJ6ZyNqx8cb::b052204
9 Name:^^b052204
Virtual-Access0 Input PAP(c023) Packet, PktLen 32
State ServerListen, code Request(01), id 9, Len 28
Name:
Pwd Len: * Pwd :******
Virtual-Access0 PAP Receive Request Event
State ServerListen
Description
Displays information about IPsec SAs.
Displays IKE error debugging information.
Displays IKE event debugging information.
Displays IKE packet debugging information.
Displays information about all types of IKE
debugging.
Displays information about all types of IPsec
debugging.
25