Chapter 6. Layer 2 Security
THE FOLLOWING CCNA SECURITY EXAM OBJECTIVE IS COVERED IN THIS CHAPTER:
Describe how to prevent layer 2 attacks by configuring basic Catalyst switch security features
We will look at Spanning-Tree Protocol (STP) attacks and how to configure your switch to prevent them. A common attack is an attempt to overflow the CAM table on the switch, and we will look at why this works and how to prevent it from happening.
Rounding out the chapter I will cover preventing MAC spoofing, configuring port security, and a few other topics such as SPAN, RSPAN, and storm control.
Note
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