How to Configure Port Security on a Cisco Switch

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How to Configure Port Security on a Cisco Switch

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What is Port Security?
Port Security is a way we can lock down Cisco switches so that only the devices we intend to use the network can. For example, you might not want one of the companies employees plugging in a virus ridden personal laptop in to the corporate network and infecting everyone with god knows what!

With Port Security, you have a couple of options. You can set a maximum number of devices (mac addresses) or you can staticly tell the switch witch mac address to accept. Now the first option might be to stop people from plugging in switch upon switches and the second might be used to stop any other devices connected all together.

Port Security is a topic on the CCENT exam and its important to know what it is and how to configure it. The best advise is to follow this video through, then some other settings to see how it reacts.
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