Image of Jeremy L. Gaddis, CCNA, CCNP (and Cortney, in case you were wondering)

LAB: Ping This, Ping That

September 12, 2011
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Objective The ping command is a very basic but extremely useful troubleshooting tool in a network engineer’s toolbox. In this exercise, you’ll use ping to check if hosts are online or offline. Topology You will not need a router or switch to complete this exercise. However, you will need a telnet client. You may use […]

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LAB: Using Banner Tokens

September 12, 2011
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Objective Showing device specific information to a user after they have logged in can be very useful. In this lab, you’ll create an exec banner which displays the device’s hostname and domain name to the user after logging in. Topology You may use any router or switch to complete this exercise. It does not need […]

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LAB: Configuring Passwords

September 12, 2011
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Objective Passwords are the first line of defense in keeping unauthorized persons out of our network devices. In this lab, you’ll demonstrate that you can successfully configure passwords on Cisco routers and switches. Topology You may use any router or switch to complete this exercise. It does not need to be connected to any other […]

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Using ping for Troubleshooting and Verification

September 10, 2011
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You’re probably familiar with underwater SONAR, which sends out pulses of sounds and listens for echoes. By measuring the amount of time it takes for the echoes to arrives, it is possible to locate objects in the water. One tool in our troubleshooting toolbox, ping, works in a similar manner (indeed, that’s how it got […]

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LAB: Creating Warning Banners

September 10, 2011
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Objective In many organizations, policy requires that login banners be displayed to a user prior to logging into a device. In this lab, you’ll demonstrate the ability to successfully configure banner messages. Topology You may use any router or switch to complete this exercise. It does not need to be connected to any other devices.

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