Three VPC pods with byte-identical addressing and no route between them

Three datacenters, one IP plan: identical isolated pods with NSX VPCs

Three nested-ESXi pods, byte-identical addressing — same subnets, same VLANs, same host IPs, even the same MACs — with zero reachability between them. How overlapping VPC CIDRs and deterministic subnet realization turn cookie-cutter environments into a first-class feature.

16 September 2026 · 5 min · Adam Stretton