In this lab, you will make use of the Cisco Discovery Protocol (formerly known as CDP) to gather information about several routers. You will begin the lab on router Lab A shown in the topology below. You will then gather information about neighboring routers, perform a Telnet to these routers, and continue to gather information about their neighbors as well. You should be able to confirm that the network topology shown below is correct simply by using some of the commands related to the Cisco Discovery Protocol.

This lab has the following objectives:

• Gather information about neighbor devices using Cisco Discovery Protocol show commands.
• Access the neighbor router via Telnet using the hostname.
• Verify that the topology below is correct using Cisco Discovery Protocol.

The above commands are not all available on all of the routers in the simulation. Use the ? command to determine the commands available on each router.

Click on the Configuration Lab icon to the right to open the interactive Management Lab window in a new browser.

To enter commands, activate the simulation environment Telnet window by clicking in it.

To see a list of supported commands at each step of the exercise, you can enter the ? command (press the question mark at the prompt). If you need more help, check the tutorial to review the configuration instructions.

Congratulations, you have finished the module: "Using Cisco IOS Software."

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