The trunk-subnet design: one trunk vNIC, binding maps demux VLANs 1610/1611/1612 into VPC subnets

Nested ESXi inside an NSX VPC: the trunk-subnet design

Plain VPC subnets silently blackhole a nested ESXi host. Why, and the trunk subnet and binding map design that makes nested labs work as an ordinary NSX VPC tenant.

16 September 2026 · Updated 1 October 2026 · 7 min · Adam Stretton