DELL PC7024 User Manual

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824
802.1x Commands
User Guidelines
It is recommended that you disable the spanning tree or enable spanning-tree 
PortFast mode on 802.1x edge ports (ports in auto state that are connected to 
end stations), in order to go immediately to the forwarding state after 
successful authentication.
When configuring a port to use MAC-based authentication, the port must be 
in switchport general mode.
Example
The following command enables MAC-based authentication on port 1/0/2 
console(config)# interface gigabitethernet 1/0/2
console(config-if-1/0/2)# dot1x port-control mac-
based
dot1x re-authenticate
Use the dot1x re-authenticate command in Privileged EXEC mode to enable 
manually initiating a re-authentication of all 802.1x-enabled ports or the 
specified 802.1x-enabled port.
Syntax
dot1x re-authenticate [gigabitethernet 
unit/slot/port]
Default Configuration
This command has no default configuration.
Command Mode 
Privileged EXEC mode
User Guidelines
This command has no user guidelines.
Example
The following command manually initiates a re-authentication of the 802.1x-
enabled port.
2CSPC4.XCT-SWUM2XX1.book  Page 824  Monday, October 3, 2011  11:05 AM