We have 2 sites with a controller in each one with the same configuration. Each site has the same SSID but different DHCP pool range. Each time a user moves from one site to the other and connects, it keeps the same IP address from the previous site....

We have 3 sites with the same SSID. They are all on the same network but on different ranges. When a user moves from one site to the other it connects automatically but it takes a while for it to recognize that it is a different site and renew the dh...