Which Google Cloud Platform project shares its VPC networks with other projects?
Service project
Host project
Admin project
Subscribing project
Create a shared VPC using the Trust VPC created when you deployed the firewall template.
Set up a shared VPC for the host (firewall) project:
gcloud compute shared-vpc enable HOST_PROJECT_ID
https://docs.paloaltonetworks.com/vm-series/9-1/vm-series-deployment/set-up-the-vm-series-firewall-on-google-cloud-platform/autoscaling-on-google-cloud-platform/deploy-autoscaling-on-google-cloud.html
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