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Occasional Contributor II

Effects of changing the User Idle Timeout

There is a mutiny brewing.  We are using the default idle timeout (5 minutes). Devices that are going to sleep are having to go back through the Captive Portal.  We are having the users enter an email address and they are getting tired of this.

What performance impact would there be if I increased the idle timeout?

During the day we have anywhere from 1000 to 1250 devices connected to a 3600 controller.

 

Guru Elite

Re: Effects of changing the User Idle Timeout

There is a user idle timeout in the captive portal authentication profile. Use that instead...


Colin Joseph
Aruba Customer Engineering

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Re: Effects of changing the User Idle Timeout

make sure the idle timeout is less than your dhcp lease time.


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ACCP, ACCX #817, ACMP, ACMX #294
Guru Elite

Re: Effects of changing the User Idle Timeout


stephencm@cos.edu wrote:

There is a mutiny brewing.  We are using the default idle timeout (5 minutes). Devices that are going to sleep are having to go back through the Captive Portal.  We are having the users enter an email address and they are getting tired of this.

What performance impact would there be if I increased the idle timeout?

During the day we have anywhere from 1000 to 1250 devices connected to a 3600 controller.

 


No significant performance impact, but your user table will be inflated with devices that have been gone for hours, so you will never get a real idea of how many users are really connected.  Use the user-idle-timeout parameter in the captive portal profile (http://www.arubanetworks.com/techdocs/ArubaOS_64x_WebHelp/Web_Help_Index.htm#ArubaFrameStyles/1CommandList/aaa_authentication_captive.htm?Highlight=user-idle-timeout) , instead of the global user idle-timeout so that the "inflation" only happens on your Captive Portal SSID.

 



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor II

Re: Effects of changing the User Idle Timeout

Thanks for the information!

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