November 1999
Intermediate to advanced
576 pages
15h 3m
English
book
Large-Scale IP Network Solutions (CCIE Professional Development)
by Khalid Raza - CCIE, Mark Turner
Content preview from Large-Scale IP Network Solutions (CCIE Professional Development)
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Summary
The fundamental roles of routers are route-computation, packet scheduling, and forwarding. Router architecture has evolved through three generations, from a shared bus central CPU, to multiple peer-line cards connected by an intelligent switching fabric. With this evolution, the Cisco core product line has evolved from central CPU-orientated process switching through the use of a fast switching cache, to distributed CEF.
Routers may compute multiple RIBs, each associated with a particular routing protocol (OSPF, Enhanced IGRP, RIP, BGP, or IS-IS) or process. Similarly, routers also may contain multiple FIBs, each associated with a particular switching path (process, fast, CEF, or TAG). Improvement in route-lookup methodology, together ...
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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.