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Wireless & Mobility · Advanced

Mobility Group

A set of wireless controllers that share client context to support seamless roaming between them.

Definition

Controllers in a mobility group exchange client information and keys so clients can roam across controllers. Catalyst 9800 controllers build mobility tunnels using CAPWAP on UDP 16666 (control) and 16667 (data). Mobility domains can contain multiple groups.

Exam tip

Mobility peers must have matching group names and reachable tunnel ports.

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