D-Link DES-1228 Reference Manual page 174

DES-1228/ME Layer 2 Metro Ethernet Switch CLI Reference Manual
delete 802.1x user
Restrictions Only Administrator-level users can issue this command.
Example usage:
To delete 802.1X users:
DES-1228/ME:4#delete 802.1x user dtremblett
Command: delete 802.1x user dtremblett
Are you sure to delete the user?(y/n)
Success.
DES-1228/ME:4#
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