Monday, December 28, 2020

VXLAN Spine-to-Spine Design

Hey all,

I have experience deploying VXLAN, but I want to know your opinion on this design. Imagine two buildings with a pair of vxlans leafs and a pair of vxlan spines. There is 8 strands of single mode dark fiber between the buildings (this will be a new deployment).

The issue is, there is not enough fibers to connect leafs in building B to spines in building A. Is it possible to just have direct links running OSPF and BGP between spines? This will allow us to have enough fiber, and also allow us to grow out each pod as needed while only needing 8 strands of fiber.

We are looking to do this with NX-OS, not ACI but I do know ACI has an option for direct spine to spine.



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