Cisco Catalyst 2960 Series User Manual

SUMMARY STEPS
1.
configure terminal
2.
interface interface-id
3.
authentication host-mode [multi-auth | multi-domain | multi-host | single-host]
4.
end
DETAILED STEPS
PurposeCommand or Action
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 1
Specifies the port to which multiple hosts are indirectly attached, and enter
interface configuration mode.
interface interface-id
Example:
Switch(config)# interface
Step 2
gigabitethernet2/0/1
Allows multiple hosts (clients) on an 802.1x-authorized port.authentication host-mode [multi-auth |
multi-domain | multi-host | single-host]
Step 3
The keywords have these meanings:
Example:
Switch(config-if)# authentication
• multi-auth–Allow one client on the voice VLAN and multiple
authenticated clients on the data VLAN.
The multi-auth keyword is only available with the
authentication host-mode command.
Note
host-mode multi-host
• multi-host–Allow multiple hosts on an 802.1x-authorized port after a
single host has been authenticated.
• multi-domain–Allow both a host and a voice device, such as an IP
phone (Cisco or non-Cisco), to be authenticated on an
IEEE 802.1x-authorized port.
You must configure the voice VLAN for the IP phone when
the host mode is set to multi-domain.
Note
Make sure that the authentication port-control interface configuration
command is set to auto for the specified interface.
Returns to privileged EXEC mode.end
Example:
Switch(config-if)# end
Step 4
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1367
How to Configure 802.1x Port-Based Authentication

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000