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How to disable communication between wireless users

I want my 803.11b wireless clients to not be abble to communicate one to another and just to have internet connection. All they are part of one subnet, and the gateway is linux server. Is there a known solution. May be something that can be done ot the Access Points or some kind of tunneling or VPN to the gateway ... i am a novice , please help.

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Cisco Employee

Re: How to disable communication between wireless users

There is a feature available on the AP (on the "Association Table Advanced" Page) to prevent wireless clients from talking to each other **on the same subnet** (not on the same "wireless network" as it says below).

It is called PSPF and is documented here;

http://www.cisco.com/univercd/cc/td/doc/product/wireless/airo_350/accsspts/ap350scg/ap350ch3.htm#1134993

Here is what the documentation says;

Block ALL Inter-Client Communications (PSPF)

Publicly Secure Packet Forwarding (PSPF) prevents client devices associated to an access point from inadvertently sharing files with other client devices on the wireless network. It provides Internet access to client devices without providing other capabilities of a LAN. With PSPF enabled, client devices cannot communicate with other client devices on the wireless network. This feature is useful for public wireless networks like those installed in airports or on college campuses.

Note The PSPF feature is available in firmware versions 11.08 and later, which are available on Cisco.com. You can download Cisco Aironet firmware releases at http://www.cisco.com/public/sw-center/sw-wireless.shtml.

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