Reference Guide

Defaults 3 attempts
Command Modes CONFIGURATION ( conf-if-interface-slot/port )
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.4.1.0 Introduced on the C-Series and S-Series.
Usage
Information
If the host responds to 802.1X with an incorrect login/password, the login fails. The switch
attempts to authenticate again until the maximum attempts configured is reached. If the
authentication fails after all allowed attempts, the interface moves to the authentication failed
VLAN.
After the authentication VLAN is assigned, the port-state must be toggled to restart
authentication. Authentication occurs at the next reauthentication interval (dot1x
reauthentication
).
Related
Commands
• dot1x port-control
• dot1x guest-vlan
• show dot1x interface
dot1x auth-server
Configure the authentication server to RADIUS.
S4820T
Syntax
dot1x auth-server radius
Defaults none
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.11.1 Introduced on the Z9000.
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