H3C Technologies H3C S12500-X Series Switches - Manual (Page 70)

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Verifying the configuration
When the user initiates an SSH connection to the switch and enter the username aaa@bbb and
password ldap!123456, the user successfully logs in and can use the commands for the network-operator
user role.
27B
Troubleshooting RADIUS
184B
RADIUS authentication failure
400B
Symptom
User authentication always fails.
401B
Analysis
Possible reasons include:
• A communication failure exists between the NAS and the RADIUS server.
• The username is not in the format userid@isp-name, or the ISP domain is not correctly configured on
the NAS.
• The user is not configured on the RADIUS server.
• The password entered by the user is incorrect.
• The RADIUS server and the NAS are configured with different shared keys.
402B
Solution
Check that:
• The NAS and the RADIUS server can ping each other.
• The username is in the userid@isp-name format and the ISP domain is correctly configured on the
NAS.
• The user is configured on the RADIUS server.
• The correct password is entered.
• The same shared key is configured on both the RADIUS server and the NAS.
185B
RADIUS packet delivery failure
403B
Symptom
RADIUS packets cannot reach the RADIUS server.
404B
Analysis
Possible reasons include:
• A communication failure exists between the NAS and the RADIUS server.
• The NAS is not configured with the IP address of the RADIUS server.
• The authentication and accounting UDP ports configured on the NAS are incorrect.
• The RADIUS server's authentication and accounting port numbers are being used by other
applications.