IAS logs?

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Sep 15th, 2008
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Hi all,


I am seeing the logs filling up in our IAS server with repeated authentications for our users. It seems that people are re-authenticating about every 5 minutes. I have the WLAN setting set at 86400 seconds and unlimited in the IAS settings. I am also seeing some getting disconnected and then they can reconnect after a minute or so.


Anything I can set so they are not trying to re-authenticate so often?

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Scott Fella Mon, 09/15/2008 - 17:32
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Are the drivers on the clients pretty recent? Also do you see re-authentication during roaming or when they are not roaming? What encryption and authentication methods are you using and what clients are having this issue?

Scott Fella Mon, 09/15/2008 - 19:42
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Can you post some of the logs on the IAS and also, do you see any errors on the WLC?

svanguilder Tue, 09/16/2008 - 06:50
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We are seeing this mostly on HP laptops, pretty much all we have on Wireless right now.


We are using PEAP, WPA and TKIP and not broadcasting the SSID.


Here is a snippet from the WLC log. Even tho it says it can't find it it still authenticates fine.


Sep 16 09:35:07.650 radius_db.c:1823 AAA-5-RADSERVER_NOT_FOUND: Couldn't find appropriate Radius server for VAP 4. Reason : unable to find a default server.



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