Wireshark & diagnostics · Video guide

Intro to Wireshark Tutorial // Lesson 4 // Where do we capture network traffic? How?

Chris Greer7:30Published May 11, 2021Foundational

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Why this is useful

Explains how the problem determines where to capture, including switch mirroring and paired client/server observations. A useful first step before collecting a VoIP trace.

Applicability

Concepts still applicable

Recorded in 2021; capture-placement principles remain useful. Exact operating-system and switch controls vary.

Keep in mind

  • Capture only authorized traffic and protect the resulting files. A SPAN port or host capture can itself drop packets.

Before you watch

Read the linked introduction, then use the video to reinforce the explanation.

Editorial review Sep 7, 2026. Review used the complete available transcript and primary references; audio and screen readability remain unverified.