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Cloud Computing · Intermediate

Cloud NAT

Google Cloud managed, software-defined network address translation for outbound connectivity from resources without external IPs.

Definition

Cloud NAT lets VMs, GKE nodes, Cloud Run and serverless connectors in private subnets initiate outbound connections to the internet without public IPs. It is regional, configured on a Cloud Router, does not use proxy VMs and does not permit unsolicited inbound connections.

Example

Private VMs download OS updates through Cloud NAT while having no external IP addresses.

Exam tip

Cloud NAT is for internet egress; Private Google Access is for reaching Google APIs without NAT or external IPs.

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