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Wireless & Mobility · Intermediate

Sniffer Mode

An AP mode that captures frames on one channel and forwards them to a remote packet analyzer.

Definition

A Cisco AP in sniffer mode captures all 802.11 frames on a configured channel and sends them encapsulated to a host running Wireshark or similar. It is used for remote troubleshooting. The AP does not serve clients.

Exam tip

Sniffer mode sends captures to a remote analyzer IP.

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