NEC IP8800/S2400 ユーザーズマニュアル

3.   

Troubleshooting Functional Failures in Operation

90

6

Execute the show dot1x logging 
command and check to see if authentication 
failed.

• If "New Supplicant Auth Fail." is output, authentication failed due to the 

following cause. Check to see if there is any problem.
(1) User ID or password is not registered on the authentication server.
(2) User ID or password input error

• If "The number of supplicants on the switch is full" is output, authentication 

failed because the maximum number of supplicants for the system was 
exceeded.

• If "The number of supplicants on the interfaces is full" is output, authentication 

failed because the maximum number of supplicants on the interface was 
exceeded.

• If "Failed to authenticate the supplicant because it could not be registered to 

mac-address-table." is output, authentication was successful but MAC address 
table setting for hardware failed. See the corresponding part in manual 
"Message Log Reference" and follow [Action] described. 

• If "Failed to authenticate the supplicant because it could not be registered to

MAC VLAN." is output, authentication was successful but H/W MAC VLAN 
table setting failed. 
See the corresponding part in manual "Message Log Reference" and follow 
[Action] described.
For IP8800/S6700, IP8800/S6600, and IP8800/S6700, see "

If the above is not applicable and the authentication target port is VLAN 
authentication (dynamic) mode, go to No. 7.
For other authentication unit modes, see the log of the RADIUS server and check
to see if authentication failed.

No.

Troubleshooting Steps and Command

Action