2-14 
To do…  Use the command…  Remarks 
Enter system view 
system-view 
— 
Create a RADIUS scheme and 
enter its view 
radius scheme 
radius-scheme-name 
Required 
By default, a RADIUS scheme 
named "system" has already 
been created in the system. 
Set a shared key for RADIUS 
authentication/authorization 
messages 
key authentication string 
Required 
By default, no shared key is 
created. 
Set a shared key for RADIUS 
accounting messages 
key accounting string 
Required 
By default, no shared key is 
created. 
 
 
The authentication/authorization shared key and the accounting shared key you set on the switch must 
be respectively consistent with the shared key on the authentication/authorization server and the 
shared key on the accounting server. 
 
Configuring the Maximum Number of RADIUS Request Transmission Attempts 
The communication in RADIUS is unreliable because this protocol uses UDP packets to carry its data. 
Therefore, it is necessary for the switch to retransmit a RADIUS request if it gets no response from the 
RADIUS server after the response timeout timer expires. If the switch gets no answer after it has tried 
the maximum number of times to transmit the request, the switch considers that the request fails. 
Follow these steps to configure the maximum transmission attempts of a RADIUS request: 
To do…  Use the command…  Remarks 
Enter system view 
system-view 
— 
Create a RADIUS scheme and 
enter its view 
radius scheme 
radius-scheme-name 
Required 
By default, a RADIUS scheme 
named "system" has already 
been created in the system. 
Set the maximum number of 
RADIUS request transmission 
attempts 
retry retry-times 
Optional 
By default, the system can try 
three times to transmit a 
RADIUS request. 
 
Configuring the Type of RADIUS Servers to be Supported 
Follow these steps to configure the type of RADIUS servers to be supported: 
To do…  Use the command…  Remarks 
Enter system view 
system-view 
—