July 2004
Beginner
408 pages
7h 31m
English
Content preview from LAN Switching first-step
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Chapter 9. Switching Security
What You Will Learn
On completing this chapter, you will be able to:
Describe switch-based security features
Explain how networks are attacked in a switched LAN environment
There is an English proverb that states, “It is an equal failing to trust everybody, and to trust nobody,” and it is the goal of network security to avoid both these failings. Network security is similar to putting your guard dog, Patches, to work for you guarding your network against any and all threats, as illustrated in Figure 9-1. This chapter focuses on establishing security for virtual local-area networks (VLANs). And as you recall from Chapter 8, “Virtual LANs (VLANs),” VLANs are a logical grouping of devices that might or might not be ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.