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Reserved IP Address

Microsoft
Reserved IP Address

Reserved IP Address

Microsoft

Reserved IP Address

IP addresses in Azure fall into two categories: dynamic and reserved. By default, public IP addresses are dynamic. To prevent IP addresses from changing, you can reserve an IP address. Reserved IPs can be used only as a VIP, ensuring that the IP address for a service will be the same even as resources are shutdown or deallocated. Furthermore, you can convert existing dynamic IPs used as a VIP to a reserved IP address.

You can use reserved IP addresses for scenarios such as:

  • Ensuring a specific IP for your subscription is not released
  • Ensuring outbound traffic from Azure uses a predictable IP address
  • Maintaining the same IP address with a cloud service even when VMs are stopped or deallocated