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.
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What configuration on controllers is needed to facilitate intercontroller roaming?
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