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Learning by Doing: CISCO Certified Network ... - SCN Research

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Objective:<br />

To learn how to use a protocol inspector in a simple network setting.<br />

Tools and Materials:<br />

(2) workstations with Protocol Inspectors<br />

(1) cross-over cable (xo)<br />

Lab Diagram:<br />

Using a Protocol Inspector<br />

Step-By-Step Instructions:<br />

1. Set up and cable the lab as shown. Be sure to use IP addresses on the same subnet<br />

and using the same mask. Test your connectivity <strong>by</strong> pinging each other.<br />

2. Open up Ethereal.<br />

3. Start a “capture” of packets <strong>by</strong> using “control” plus “K” at the same time or using<br />

the capture pull-down menu and selecting start.<br />

4. The capture preferences will open. Change from the MAC to the Ethernet<br />

Adapter. It should look like this (my NIC is ELO9x):<br />

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