November 2006
Beginner
672 pages
15h 30m
English
Content preview from MPLS Fundamentals
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Summary
In this chapter, you have learned how a packet is forwarded in an MPLS network. You have seen that CEF can label an incoming IP packet. An incoming labeled packet is forwarded by looking up the top label value in the LFIB and finding the label operation and next hop to forward the packet to. You have learned that several specially reserved labels (implicit NULL label, explicit NULL label, and Router Alert label) exist and what their function is. MPLS has its own MTU, which is important because the labeled packet is slightly bigger than the unlabeled one. That is because only a few labels add to the packet. You have seen that MPLS has a TTL field in the labels that is used in the same way as it is used for IP packets, but there is a specific ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.