CLI Guide

Security Commands 1094
7—An encrypted key is to be entered.
key-string—The key string in encrypted or unencrypted form. In encrypted
form, it must be 256 characters in length. In unencrypted form, it may be
up to 128 characters in length. Enclose the key string in quotes to use
special characters or embedded blanks.
Default Configuration
By default, no global server key is configured.
Command Modes
Dynamic RADIUS Configuration
User Guidelines
Only one global server key may be defined. Use the server-key parameter in
the client command to configure a unique server key for each client.
Command History
Introduced in version 6.2.0.1 firmware.
Example
The following example configures RADIUS servers at 1.1.1.1, 2.2.2.2, and
3.3.3.3. It sets the front panel ports to use multi-auth authentication. CoA is
configured for two RADIUS servers located at 1.1.1.1 and 2.2.2.2 using a
global shared secret and a third server 3.3.3.3 using a server specific shared
secret. CoA disconnect requests are accepted from these servers. Any
authentication type is allowed for CoA disconnect requests.
console#configure terminal
console(config)# aaa new-model
console(config)# aaa authentication dot1x default radius
console(config)# dot1x system-auth-control
console(config)# interface range gi1/0/1-24
console(config-if)# authentication port-control auto
console(config-if)# authentication host-mode multi-auth
console(config-if)# exit
console(config)# radius server auth 1.1.1.1
console(config-auth-radius)#primary
console(config-auth-radius)#exit
console(config)# radius server auth 2.2.2.2