Cisco Systems 3130 User Manual
9-41
Cisco Catalyst Blade Switch 3130 for Dell Software Configuration Guide
OL-13270-01
Chapter 9 Configuring IEEE 802.1x Port-Based Authentication
Configuring IEEE 802.1x Authentication
Configuring NAC Layer 2 IEEE 802.1x Validation
You can configure NAC Layer 2 IEEE 802.1x validation, which is also referred to as IEEE 802.1x
authentication with a RADIUS server.
authentication with a RADIUS server.
Beginning in privileged EXEC mode, follow these steps to configure NAC Layer 2 IEEE 802.1x
validation. The procedure is optional.
validation. The procedure is optional.
This example shows how to configure NAC Layer 2 IEEE 802.1x validation:
Switch# configure terminal
Switch(config)# interface gigabitethernet2/0/1
Switch(config-if)# dot1x reauthentication
Switch(config-if)# dot1x timeout reauth-period server
Command
Purpose
Step 1
configure terminal
Enter global configuration mode.
Step 2
interface interface-id
Specify the port to be configured, and enter interface configuration mode.
Step 3
dot1x guest-vlan vlan-id
Specify an active VLAN as an IEEE 802.1x guest VLAN. The range is 1
to 4094.
to 4094.
You can configure any active VLAN except an internal VLAN (routed
port), an RSPAN VLAN, or a voice VLAN as an IEEE 802.1x guest
VLAN.
port), an RSPAN VLAN, or a voice VLAN as an IEEE 802.1x guest
VLAN.
Step 4
dot1x reauthentication
Enable periodic re-authentication of the client, which is disabled by
default.
default.
Step 5
dot1x timeout reauth-period {seconds |
server}
server}
Set the number of seconds between re-authentication attempts.
The keywords have these meanings:
•
seconds—Sets the number of seconds from 1 to 65535; the default is
3600 seconds.
3600 seconds.
•
server—Sets the number of seconds based on the value of the
Session-Timeout RADIUS attribute (Attribute[27]) and the
Termination-Action RADIUS attribute (Attribute [29]).
Session-Timeout RADIUS attribute (Attribute[27]) and the
Termination-Action RADIUS attribute (Attribute [29]).
This command affects the behavior of the switch only if periodic
re-authentication is enabled.
re-authentication is enabled.
Step 6
end
Return to privileged EXEC mode.
Step 7
show dot1x interface interface-id
Verify your IEEE 802.1x authentication configuration.
Step 8
copy running-config startup-config
(Optional) Save your entries in the configuration file.