May 2009
Intermediate to advanced
882 pages
22h 55m
English
Content preview from Cisco® Network Professional's: Advanced Internetworking Guide
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2.2. VLANs
For years, networks have been designed in a flat architecture. By flat I mean they have consisted of multiple hubs or bridges that reside in a single broadcast domain. If any device sent a broadcast packet, every system on the network would have to read the data, even if it was not meant for that device. At that point in history, a switch was treated as a single broadcast domain. Having a single broadcast domain limits the number of devices you can connect to the network. There are other downsides in addition to just having one huge broadcast domain. One large broadcast domain limits your ability to secure the network because any end station could connect into any switch port and have access to all of the other devices. Making separate ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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