Reference Guide

194 | 802.1X
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dot1x host-mode
c e
t
s
Enable single-host or multi-host authentication.
Syntax
dot1x host-mode {single-host | multi-host | multi-auth}
Parameters
Defaults
single-host
Command Modes
INTERFACE
Command
History
Usage
Information
• Single-host mode authenticates only one host per authenticator port, and drops all other traffic on
the port.
• Multi-host mode authenticates the first host to respond to an Identity Request, and then permits all
other traffic on the port.
• Multi-supplicant mode authenticates every device attempting to connect to the network on through
the authenticator port.
Related
Commands
dot1x mac-auth-bypass
c s
Enable MAC authentication bypass. If 802.1X times out because the host did not respond to the
Identity Request frame, FTOS attempts to authenticate the host based on its MAC address.
Syntax
dot1x mac-auth-bypass
Defaults
Disabled
Command Modes
INTERFACE
Command
History
Usage
Information
To disable MAC authentication bypass on a port, enter the no dot1x mac-auth-bypass command.
Related
Commands
single-host
Enable single-host authentication.
multi-host
Enable multi-host authentication.
multi-auth
Enable multi-supplicant authentication.
Version 8.4.1.0 The multi-auth option was introduced on the C-Series and S-Series.
Version 8.3.2.0 The single-host and multi-host options were introduced on the C-Series,
E-Series TeraScale, and S-Series
show dot1x interface
Version 8.4.1.0 Introduced on C-Series and S-Series
dot1x auth-type
mab-only