# 1. Create a VLAN attachment (aka VLAN interconnect)
gcloud compute interconnects attachments create my-vlan-attach \
    --region=us-central1 \
    --router=my-nat-router \
    --edge-availability-domain=AVAILABILITY_DOMAIN_1 \
    --interconnect=projects/PROJECT_ID/global/interconnects/MY_INTERCONNECT \
    --vlan=1234 \
    --description="VLAN attachment for my Interconnect"
