CLI Reference Guide-R01

Chapter 8 | Authentication Commands
802.1X Port Authentication
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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#
Information Display Commands
show dot1x This command shows general port authentication related settings on the switch or
a specific interface.
Syntax
show dot1x [statistics] [interface interface]
statistics - Displays dot1x status for each port.
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-28)
Command Mode
Privileged Exec
Command Usage
This command displays the following information:
◆ Global 802.1X Parameters – Shows whether or not 802.1X port authentication is
globally enabled on the switch (page 262).
◆ 802.1X Port Summary – Displays the port access control parameters for each
interface that has enabled 802.1X, including the following items:
■
Type – Administrative state for port access control (Enabled, Authenticator,
or Supplicant).
■
Operation Mode – Allows single or multiple hosts (page 264).
■
Control Mode – Dot1x port control mode (page 265).
■
Authorized – Authorization status (yes or n/a - not authorized).
◆ 802.1X Port Details – Displays the port access control parameters for each
interface, including the following items:
■
Reauthentication – Periodic re-authentication (page 266).