November 2006
Beginner
672 pages
15h 30m
English
Content preview from MPLS Fundamentals
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Internet Access
Internet routing is usually done via the BGP table of the MPLS VPN network of the service provider. This BGP table is in the global routing space, not in the VRF context. By default, the VRF sites can communicate only with other VRF sites in the same VPN, not with anything in the global routing space. Therefore, something must be done to provide Internet access (global context) to the CE routers (VRF context). The following sections detail how to provide Internet access to VRF sites. Obviously, Internet access is only possible for the IP subnets of the customer that are not from the private IP addressing space (RFC 1918).
Note
As soon as the VPN has Internet connectivity, there is a potential security risk. It is important to ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.