March 2009
Beginner to intermediate
144 pages
3h 13m
English
Content preview from Cisco Routers for the Desperate, 2nd Edition
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Chapter 6. IOS Changes
Cisco's Internetwork Operating System (IOS) is the brains of any Cisco router. IOS provides the command line, interface device drivers, routing software, and all the other bits that make a router do more than draw power and generate heat. Cisco continuously maintains and updates IOS, adding more features as they become useful and stable. If you want some of Cisco's nifty new functionality, you'll probably find it in an IOS upgrade.
The only reasons to upgrade are for security, stability, or required features. While running the latest IOS might enhance your geek credibility, that is insufficient motivation for staying up all ...
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