User Guide 536
Configuring AAA AAA Configuration
trying to access the switch, and the others act as backup servers in case the first one
breaks down.
■ Adding RADIUS Server
Follow these steps to add RADIUS server on the switch:
Step 1 configure
Enter global configuration mode.
Step 2 radius-server host
ip-address
[ auth-port
port-id
] [ acct-port
port-id
] [ timeout
time
] [
retransmit
number
] [ nas-id
nas-id
] key { [ 0 ]
string
| 7
encrypted-string
}
Add the RADIUS server and configure the related parameters as needed.
host
ip-address
:
Enter the IP address of the server running the RADIUS protocol.
auth-port
port-id
:
Specify the UDP destination port on the RADIUS server for authentication
requests. The default setting is 1812.
acct-port
port-id:
Specify the UDP destination port on the RADIUS server for accounting
requests. The default setting is 1813. Usually, it is used in the 802.1X feature.
timeout
time
:
Specify the time interval that the switch waits for the server to reply before
resending. The valid values are from 1 to 9 seconds and the default setting is 5 seconds.
retransmit
number
:
Specify the number of times a request is resent to the server if the
server does not respond. The valid values are from 1 to 3 and the default setting is 2.
nas-id
nas-id
:
Specify the name of the NAS (Network Access Server) to be contained in
RADIUS packets for identification. It ranges from 1 to 31 characters. The default value is the
MAC address of the switch. Generally, the NAS indicates the switch itself.
key { [ 0 ]
string
| 7
encrypted-string
}: Specify the shared key. 0 and 7 represent the
encryption type. 0 indicates that an unencrypted key will follow. 7 indicates that a
symmetric encrypted key with a xed length will follow. By default, the encryption type is 0.
string
is the shared key for the switch and the server, which contains 32 characters at most.
encrypted-string
is a symmetric encrypted key with a xed length, which you can copy from
the conguration le of another switch. The key or encrypted-key you congure here will be
displayed in the encrypted form.
Step 3 show radius-server
Verify the configuration of RADIUS server.
Step 4 end
Return to privileged EXEC mode.
Step 5 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to add a RADIUS server on the switch. Set the IP address
of the server as 192.168.0.10, the authentication port as 1812, the shared key as 123456,
the timeout as 8 seconds and the retransmit number as 3.
Switch#configure
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