I have two private IP scopes at my site. This was created due to us running out of IP addresses. Most of the devices use the DHCP server to obtain their IP. I also have two WLANS set up. One for employees and others for guest usage. I want the personal devices of our employees to use one of the subnets exclusively and only use the guest WLAN. I am using a Cisco 2500 Wireless Lan Controller.