Hi,
Please take a look below:
https://www.cisco.com/c/en/us/td/docs/ios/12_2/security/command/reference/srfrad.html#wp1017940
Take a look at the radius time-out and radius dead-timeout.
radius-server timeout
To set the interval for which a router waits for a server host to reply, use the radius-server timeout command in global configuration mode. To restore the default, use the no form of this command.
radius-server timeout seconds
no radius-server timeout
Syntax Description
|
seconds
|
Number that specifies the timeout interval, in seconds. The default is 5 seconds.
|
Defaults
5 seconds
Command Modes
Global configuration
Command History
|
Release
|
Modification
|
|
11.1
|
This command was introduced.
|
Usage Guidelines
Use this command to set the number of seconds a router waits for a server host to reply before timing out.
Examples
The following example changes the interval timer to 10 seconds:
radius-server deadtime
To improve RADIUS response times when some servers might be unavailable, use the radius-server deadtime command in global configuration mode to cause the unavailable servers to be skipped immediately. To set dead-time to 0, use the no form of this command.
radius-server deadtime minutes
no radius-server deadtime
