Intercontroller Roaming
As a wireless network grows, one controller might not suffice. When two or more controllers support the APs in an enterprise, the APs are distributed across them. As always, when clients become mobile, they roam from one AP to another—except they could also be roaming from one controller to another, depending on how neighboring APs are assigned to the controllers. The following sections cover the two types of intercontroller roaming that are possible.
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