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1
When you first create the new EC2 instance, you can assign a static, primary IP address. As you go through the instance creation screen, expand the "Advanced network configuration" drop-down just under where you define security group rules. You should see a field where you can enter the IP address you want to assign to the new EC2 instance. Note: This is only available when you first create the EC2 instance - you cannot change the primary IP address after creation.
回答済み 1年前
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Ok thanks! If I stop the old instance, is it good enough to use its IP address on the new one, or does it need to be terminated?
回答済み 1年前
It will need to be terminated since stopping an instance does not release the private IP address.