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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Fundamentals and Operation of IS-IS
As with any other link-state protocol, IS-IS also relies on neighbor information. Each router within an area maintains information about its connected network. This information is flooded to all the connected neighbors, and then the neighbors further flood the information.
During this flooding process, information about the origin of the routing information is preserved. This way, every router in the link-state database knows which router originated specific information within its area.
This is how all the routers within the IS-IS area receive complete information. When all the information is received, each router performs a Shortest Path First algorithm to find the best path to any destination. Every ...
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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.