O'Reilly logo

Practical BGP by Sangli Srihari, Russ White, Danny McPherson

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

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, ...

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