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E-MSM765 zl: Access controlled VSC versus WPA2 opportunistic key caching versus Radius accounting

 
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HEKnet
Advisor

E-MSM765 zl: Access controlled VSC versus WPA2 opportunistic key caching versus Radius accounting

Hello,

 

I own an E-MSM765 zl Mobility Controller with some E-MSM 430 APs.

 

If I have a VSC with "Access control" disabled, the controller offers me the option "WPA2 opportunistic key caching" to do faster roaming. According to the manual this only works if Radius accounting is disabled at the same time.

 

But what happens if "Access control" is enabled for the VSC?

 

First of all the web interface hides the option "WPA2 opportunistic key caching". May I assume that in access controlled mode WPA2 key caching is always used? (At least that would make sense to me, because all the session control is centralized on the controller anyway.)

 

Secondly, what happens if I enable Radius accounting on an access controlled VSC? Does this also disable key caching? Or is key caching and accounting compatible with each other, because all radius requests come from the controller in access controlled mode?

 

Unfortunately the manual is not very clear on this matter.

 

Matthias