Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
authentication fallback
authentication fallback
Use the authentication fallback interface configuration command to configure a port to use web
authentication as a fallback method for clients that do not support IEEE 802.1x authentication. To return
to the default setting, use the no form of this command.
authentication fallback name
no authentication fallback name
Syntax Description
Defaults No fallback is enabled.
Command Modes Interface configuration
Command History
Usage Guidelines You must enter the authentication port-control auto interface configuration command before
configuring a fallback method.
You can only configure web authentication as a fallback method to 802.1x or MAB, so one or both of
these authentication methods should be configured for the fallback to enable.
Examples This example shows how to specify a fallback profile on a port:
Switch(config-if)# authentication fallback profile1
You can verify your settings by entering the show authentication privileged EXEC command.
Related Commands
name Specify a web authentication fallback profile.
Release Modification
12.2(53)SE2 This command was introduced.
Command Description
authentication
control-direction
Configures the port mode as unidirectional or bidirectional.
authentication event Sets the action for specific authentication events.
authentication
host-mode
Sets the authorization manager mode on a port.
authentication open Enables or disable open access on a port.
authentication order Sets the order of authentication methods used on a port.
authentication
periodic
Enables or disables reauthentication on a port.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing