O'Reilly logo

MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

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 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required