Need to keep people on wireless AP in seperate vlans

the situation:
We have a wireless AP that is connected in its own vlan that we allow consultants and guests to connect too.  this allows them basic internet access and some email capabilities while at the same time protecting our network from any nasty stuff they might have installed on their machines.  This has worked great for two years, but a couple weeks ago we had a consultant come in with a particularly nasty virus and he proceeded to infect all of the other guests that were on our wireless.  This made all of our guests particularly angry :(

I am in need of a solution for this scenario.  Is there some technology that keeps people on a wireless AP from seeing each other?

thank you for your reply.
koffeaAsked:
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sdschaeferConnect With a Mentor Commented:
Most wireless AP's have an option in the wireless or security configuration to "isolate wireless users".  This setting should be on to accomplish what you are wanting.    
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Andres PeralesCommented:
Agree with sdschaefer, but that option is on the newer aps out there.  There are more elaborate solutions out there, but htey are costly and mostly like would not be apporved for purchase.
 
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kuknoCommented:
Hi,

replace your AP with a Wireless Router (just a few bucks), e.g. Linksys WRT54G2. Most of the newer Linksys Wireless Devices contain a feature called "AP isolation".

Regards
Kurt
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