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31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition by Allan Johnson

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Day 7. Switch Security Configuration

CCENT 100-101 ICND1 Exam Topics

Image Configure and verify switch port security.

Key Topics

Today we review switch security, including configuring port security, how to restore a disabled port, shutting down unused ports and assigning them to an unused VLAN, and configuring the native VLAN as something other than VLAN 1.

Configuring Port Security

If you know which devices should be cabled and connected to particular interfaces on a switch, you can use port security to restrict that interface so that only the expected devices can use it. This reduces exposure to some types of attacks in which the attacker connects ...

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