1-3
MAC authentication supports MAC-based guest VLAN (MGV). With MGV configured on a port, users
failing the authentication on the port are authorized to access the resources in the guest VLAN.
If a user in the guest VLAN initiates another authentication process but fails the authentication, the
device will keep the user in the guest VLAN. If the user passes the authentication, the device will add
the user to the assigned VLAN or return the user to its original VLAN, depending on whether the
authentication server assigns a VLAN.
Configuring MAC Authentication
Configuration Prerequisites
z Create and configure an ISP domain.
z For local authentication, create the local users and configure the passwords.
z For RADIUS authentication, ensure that a route is available between the device and the RADIUS
server, and add the usernames and passwords on the server.
When adding usernames and passwords on the device or server, ensure that:
z The type of username and password must be consistent with that used for MAC authentication.
z All the letters in the MAC address to be used as the username and password must be in lower
case.
z The service type of the local users must be configured as lan-access.
Configuration Procedure
Follow these steps to configure MAC authentication:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable MAC authentication
globally
mac-authentication
Required
Disabled by default
mac-authentication interface
interface-list
Enable MAC authentication
for specified ports
interface interface-type
interface-number
mac-authentication
quit
Required
Use either approach.
Disabled by default
Specify the ISP domain for
MAC authentication
mac-authentication domain
isp-name
Optional
The default ISP domain is used
by default.
Set the offline detect timer
mac-authentication timer
offline-detect offline-detect-value
Optional
300 seconds by default
Set the quiet timer
mac-authentication timer quiet
quiet-value
Optional
60 seconds by default
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