July 2004
Intermediate to advanced
448 pages
10h 7m
English
Content preview from Practical BGP
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External Connections
Once a large network is split up into smaller pieces, several other challenges arise; for instance, if you're using BGP within the core of your network, how do you connect the BGP core to networks in different companies, or the Internet?
Single Internet Connection
The simplest cases involve a single connection to an outside network with an iBGP core, such as the Internet, as Figure 3.23 illustrates.
Figure 3.23. A single connection to an outside network.
If there is a single connection to an outside network, the easiest place to connect it is directly into the BGP core. A default route can be injected from this outside network, ...
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