Understanding Wireless Roaming and Location Services - Roaming Between Centralized Controllers
4 important questions on Understanding Wireless Roaming and Location Services - Roaming Between Centralized Controllers
What is it called when a client roams between two APs which are connected to different controllers?
What is a Layer 2 intercontroller roam?
Making roaming very fast (Less than 20 ms)
What is a Layer 3 intercontroller roam?
Normally the client would need a new IP in the changed subnet. However Cisco controllers contact each other during the roam and create a tunnel between them. The client can then contact the original controller or the Anchor Controller through the new controller or the Foreign Controller, keeping it's original IP address.
What configuration on controllers is needed to facilitate intercontroller roaming?
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