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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
authentication host-mode
authentication host-mode
Use the authentication host-mode interface configuration command to set the authorization manager
mode on a port.
authentication host-mode [multi-auth | multi-domain | multi-host | single-host]
no authentication host-mode [multi-auth | multi-domain | multi-host | single-host]
Syntax Description
Defaults Single host mode is enabled.
Command Modes Interface configuration
Command History
Usage Guidelines Single-host mode should be configured if only one data host is connected. Do not connect a voice device
to authenticate on a single-host port. Voice device authorization fails if no voice VLAN is configured on
the port.
Multi-domain mode should be configured if data host is connected through an IP Phone to the port.
Multi-domain mode should be configured if the voice device needs to be authenticated.
Multi-auth mode should be configured to allow up to eight devices behind a hub to obtain secured port
access through individual authentication. Only one voice device can be authenticated in this mode if a
voice VLAN is configured.
Multi-host mode also offers port access for multiple hosts behind a hub, but multi-host mode gives
unrestricted port access to the devices after the first user gets authenticated.
Examples This example shows how to enable multiauth mode on a port:
Switch(config)# authentication host-mode multi-auth
This example shows how to enable multi-domain mode on a port:
Switch(config)# authentication host-mode multi-domain
This example shows how to enable multi-host mode on a port:
Switch(config)# authentication host-mode multi-host
multi-auth Enable multiple-authorization mode (multiauth mode) on the port.
multi-domain Enable multiple-domain mode on the port.
multi-host Enable multiple-host mode on the port.
single-host Enable single-host mode on the port.
Release Modification
12.2(50)SE This command was introduced.
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