O'Reilly logo

Practical Packet Analysis, 2nd Edition by Chris Sanders

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Sniffer Placement in Practice

We have looked at four different ways to capture network traffic in a switched environment. We can add one more if we consider simply installing a packet sniffing application on a single device from which we want to capture traffic (the direct install method). Given these five methods, it can be a bit confusing to determine which one is the most appropriate. Table 2-2 provides some general guidelines for each method.

Table 2-2. Guidelines for Packet Sniffing in a Switched Environment

Technique

Guidelines

Port mirroring

  • Usually preferred because it leaves no network footprint and no additional packets are generated as a result of it.

  • Can be configured without taking the client offline, which is convenient when mirroring ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required