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{ The authentication and accounting UDP port numbers configured on the NAS are the same
as those of the RADIUS server.
{ The RADIUS server's authentication and accounting port numbers are available.
2. If the problem persists, contact Hewlett Packard Enterprise Support.
RADIUS accounting error
Symptom
A user is authenticated and authorized, but accounting for the user is not normal.
Analysis
The accounting server configuration on the NAS is not correct. Possible reasons include:
• The accounting port number configured on the NAS is incorrect.
• The accounting server IP address configured on the NAS is incorrect. For example, the NAS is
configured to use a single server to provide authentication, authorization, and accounting
services, but in fact the services are provided by different servers.
Solution
To resolve the problem:
1. Verify the following items:
{ The accounting port number is correctly configured.
{ The accounting server IP address is correctly configured on the NAS.
2. If the problem persists, contact Hewlett Packard Enterprise Support.
Troubleshooting HWTACACS
Similar to RADIUS troubleshooting. See "Troubleshooting RADIUS."
Troubleshooting LDAP
LDAP authentication failure
Symptom
User authentication fails.
Analysis
Possible reasons include:
• A communication failure exists between the NAS and the LDAP server.
• The LDAP server IP address or port number configured on the NAS is not correct.
• The username is not in the userid@isp-name format, or the ISP domain is not correctly
configured on the NAS.
• The user is not configured on the LDAP server.
• The password entered by the user is incorrect.
• The administrator DN or password is not configured.
• Some user attributes (for example, the username attribute) configured on the NAS are not
consistent with those configured on the server.
• No user search base DN is specified for the LDAP scheme.
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