1-17
To do… Use the command… Remarks
Enter system view
system-view
—
Enable the quiet timer
dot1x quiet-period
Required
Disabled by default
Enabling the Re-Authentication Function
If periodic re-authentication is enabled on a port, the device will re-authenticate online users on the port
at the interval specified by the periodic re-authentication timer. This is intended to track the connection
status of online users and update the authorization attributes assigned by the server, such as the ACL,
VLAN, and QoS Profile, ensuring that the users are in normal online state.
Follow these steps to enable the periodic re-authentication function:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter Ethernet interface view
interface interface-type
interface-number
—
Enable periodic
re-authentication
dot1x re-authenticate
Required
Disabled by default
After an 802.1X user passes authentication, if the authentication server assigns a re-authentication
interval for the user through the session-timeout attribute, the assigned re-authentication interval will
take effect instead of that specified on the device. The re-authentication interval assignment varies by
server type. Refer to the specific authentication server implementation for further details.
Configuring a Guest VLAN
If the traffic from a user-side device carry VLAN tags and the 802.1X authentication and guest VLAN
functions are configured on the access port, you are recommended to configure different VLAN IDs for
the voice VLAN, default VLAN of the port, and 802.1X guest VLAN. This is to ensure the normal use of
the functions.
Configuration prerequisites
z Create the VLAN to be specified as the guest VLAN.
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