Have to sign in again to SSID using WEB-Auth when associating to different AP

I have wireless APs broadcasting a SSID campus-wide that is using WEB-Auth.  I connect to it, open a browser and get taken to a splash screen asking for credentials.  I sign in and can get out to the Internet.  When I walk around campus and associate to another AP, it forces me to login again.  How do I stop this from happening.  I don't believe the problem is on the client has it happens on multiple clients/platforms.  Using Cisco APs and WLC.
GubbioAsked:
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TemodyPickalbatros, IT ManagerCommented:
this is a hotspot system or a firewall policy
You need to allow your ip or MAC to bypass to the network to access neighbors ip
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Craig BeckCommented:
Are you doing local web-auth at the WLC?

What version of code are you running?

Are all APs using the same SSID?
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GubbioAuthor Commented:
All APs are using the same SSID.  It's a 5500 controller running 7.6.130.
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Craig BeckCommented:
Ok thanks.  So when you say you move around the campus and connect to another AP, I'm assuming you're not roaming between APs and using the service constantly but rather using an AP, then going idle for a bit, then reconnecting to an AP somewhere else?

If that's right, try using the Sleeping Clients feature on the SSID.  That should let your clients move between APs (actually disconnect from APs, not roam) without dropping their session.  The dropping of the session is what's causing the clients to have to reauthenticate.
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GubbioAuthor Commented:
Per Cisco TAC:

Increase the next values under Wireless>Global configuration> AP Retransmit Config Parameters

AP Retransmit Count set it up to 8
AP Retransmit Interval set it up to 5
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GubbioAuthor Commented:
Cisco TAC
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