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Google Cloud Platform (GCP) Static IPs

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description Google Cloud Platform (GCP) Static IPs Overview

Google Cloud Platform offers 'Reserved External IP addresses' which are static and assigned to your resources. GCP is known for its high-speed global fiber network and excellent integration with Kubernetes (GKE). Their IPs are highly reliable and benefit from Google's massive infrastructure, making them ideal for large-scale data processing and containerized applications that need a stable public endpoint.

help Google Cloud Platform (GCP) Static IPs FAQ

What is a static IP called in Google Cloud Platform?

In Google Cloud, static IPs are called reserved external IP addresses. You can reserve regional external IPs for resources like VM instances and global external IPs for some load balancing setups.

Can I keep the same IP when replacing a Compute Engine VM?

Yes, if you reserve a static external IP, you can detach and reassign it instead of relying on an ephemeral address. That is useful for DNS records, API allowlists, and firewall rules.

Are GCP static IPs useful with Google Kubernetes Engine?

Yes, GKE services and ingress setups often use reserved IPs so a load balancer keeps the same public address. This is especially useful when external partners need to whitelist a stable IP.

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