November 2006
Beginner
672 pages
15h 30m
English
Content preview from MPLS Fundamentals
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Summary
In this chapter, you saw how MPLS TE works. You learned that Open Shortest Path First (OSPF) and Intermediate System-to-Intermediate System (IS-IS) were extended so that they can advertise traffic engineering (TE) information, and that the signaling protocol Resource Reservation Protocol (RSVP) was also extended. You discovered how the LSR calculates the paths of TE tunnel label switched paths (LSP), how it signals them, and how it calculates their cost. Perhaps the most important section was the one explaining how to forward traffic onto TE tunnels. An important feature of TE is Fast ReRoute (FRR), where traffic on TE tunnels is protected by backup tunnels. This chapter explained in detail how FRR link protection and FRR node protection ...
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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.