Wireless Guest Internet Only Access

We just got our 4402 WLC with 1131ag access points up and running. We would now like to set up guest access with only internet access. Our vendor has suggested setting up a dmz on our checkpoint firewall and have it do dhcp and then setting up a wlan on our controller for the guest access. My question is: what do I need to do on the switch side to set this up? Is is just as simple as creating a vlan and giving it an ip address in the dmz range? Or is there another way of setting up internet only guest access?
Any suggestions would be appreciated.
Thanks in advance.
Jeff

It depends if all you are wanting to do is Internet-only on you controller. If thats it, then you can place your controller in a dmz. Have a device handout the dhcp information to your clients. Set your controller for layer-3 mode. Have your APs connect to your controller (make sure you have the correct ports allowed through your firewall between the APs and the controller). I would recommend placing the APs on a seperate VLAN than other internal traffic with the appropriate LWAPP options configured in the DHCP scope.
The clients will then associate to the SSID you have setup. They will pull an IP address from the DMZ.
A few years ago on my first LWAPP deployment, I did this setup and it worked perfectly. I would also recommend having the DHCP server in the DMZ assaign an IP address that is not routable in your internal network. That way, if somebody makes a mistake and their is leakage, the traffic can't be routed anywhere since the source IP address of the wireless client isnt routable. You can use this DMZ controller access for Internet only which can also be used by internal people to VPN back to you internal network if you have that permitted.
If however, you are planning to do both direct connection to your internal network and an internet-only connection (two different SSIDs) the best way is to get a small controller for your DMZ (like a 4402-12) and a larger controller for internal (4402-25 or 4404-100). Have your DMZ controller be a guest internet controller that is setup as the guest "anchor". There are lots of docs on the Cisco web site. This solution works great. I use a 4402-12 as a DMZ anchor and have about 20 4404-100s that are anchored to it.

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===
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