Chapter 8
| Authentication Commands
802.1X Port Authentication
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dot1x timeout
tx-period
This command sets the time that an interface on the switch waits during an
authentication session before re-transmitting an EAP packet. Use the no form to
reset to the default value.
Syntax
dot1x timeout tx-period seconds
no dot1x timeout tx-period
seconds - The number of seconds. (Range: 1-65535)
Default
30 seconds
Command Mode
Interface Configuration
Example
Console(config)#interface eth 1/2
Console(config-if)#dot1x timeout tx-period 300
Console(config-if)#
dot1x re-authenticate This command forces re-authentication on all ports or a specific interface.
Syntax
dot1x re-authenticate [interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1-8)
port - Port number. (Range: 1-28/52)
Command Mode
Privileged Exec
Command Usage
The re-authentication process verifies the connected client’s user ID and password
on the RADIUS server. During re-authentication, the client remains connected the
network and the process is handled transparently by the dot1x client software.
Only if re-authentication fails is the port blocked.
Example
Console#dot1x re-authenticate
Console#
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