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The best tutorial to learn BGP and its use with VPNs

English: BGP MED
English: BGP MED (Photo credit: Wikipedia)
English: Border Gateway Protocol 4 Finite-stat...
English: Border Gateway Protocol 4 Finite-state machine diagram (Photo credit: Wikipedia)


The border gateway protocol (BGP) is the external gateway protocol (EGP) of the Internet. It's widely used not only for interdomain routing but also to configure virtual private networks (VPN) and to achieve complex traffic engineering.

As you can guess BGP v4 a complex protocol: good tutorials on BGP are really invaluable. So, where can you find the best tutorials on BGP?

In my opinion, Olivier Bonaventure has written some of the best tutorials on BGP. You can find them all on his webpage.

I recommend in particular the last part of his tutorial, where he describes the role of CE, P, and PE routers to permit the setup of VPNs among enterprise sites without too much manual configuration.



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