In a previous tutorial, I described how we can easily turn a Linux box into a fully-fledged OPSF router using Quagga, an open source routing software suite.
In this tutorial, I will focus on converting a Linux box into a BGP router, again using Quagga, and demonstrate how to set up BGP peering with other BGP routers. Before we get into details, a little background on BGP may be useful. Border Gateway Protocol (or BGP) is the de-facto standard inter-domain routing protocol of the Internet.
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