Command History
Version 8.3.12.0 Introduced on the S4810.
Version 8.4.2.1 Introduced on the C-Series and S-Series.
Usage 
Information
The prerequisites for enabling MAB-only authentication on a port are:
• Enable 802.1X authentication globally on the switch and on the port (the dot1x 
authentication command).
• Enable MAC authentication bypass on the port (the dot1x mac-auth-bypass 
command).
In MAB-only authentication mode, a port authenticates using the host MAC address even 
though 802.1xauthentication is enabled. If the MAB-only authentication fails, the host is placed 
in the guest VLAN (if configured).
To disable MAB-only authentication on a port, enter the no dot1x auth-type mab-
only command.
Related 
Commands
dot1x mac-auth-bypass
dot1x authentication (Configuration)
Enable dot1x globally. Enable dot1x both globally and at the interface level.
C-Series, E-Series TeraScale, S-Series, S4810
Syntax
dot1x authentication
To disable dot1x on a globally, use the no dot1x authentication command.
Defaults Disabled
Command Modes CONFIGURATION
Command History
Version 8.3.12.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the C-Series and S-Series.
Version 7.4.1.0 Introduced on the E-Series TeraScale.
Related 
Commands
dot1x authentication (Interface)
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