consul/test/integration/connect/envoy/case-cross-peer-control-plane-mgw/primary/config_entries.hcl

config_entries {
  bootstrap = [
    {
      kind = "proxy-defaults"
      name = "global"

      config {
        protocol = "tcp"
      }
    },
    {
      kind = "mesh"
      peering {
        peer_through_mesh_gateways = true
      }
    }
  ]
}