Sunday, December 5, 2021

Building a BGP Anycast Lab

The Anycast Works Just Fine with MPLS/LDP blog post generated so much interest that I decided to check a few similar things, including running BGP-based anycast over a BGP-free core, and using BGP Labeled Unicast (BGP-LU).

The Big Picture

We’ll use the same physical topology we used in the OSPF+MPLS anycast example: a leaf-and-spine fabric (admittedly with a single spine) with three anycast servers advertising attached to two of the leafs:


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