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I have a single EC2 instance and a single Elastic IP. After the instance is stoped and then re-started, the association between the instance and the IP is lost and I have to manually re-associate.

Is there a way either through the AWS Management Console or programatically from within the instance to do the re-association?

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1 Answer 1

I was fairly certain that the association stayed, but if it doesn't:

  • Download the EC2 command line API tools (google how to do this for your OS)
  • Set up a simple script to re-associate itself on startup.
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I am certain that, at least in my case, the IP does not remain associated after a stop/start cycle. I will try what you suggest with the API tools and comment later. –  user35042 Feb 19 '11 at 19:18
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The IP doesn't remain associated after a stop. They automatically deassociate it, and bill you $0.01 per hour you hold an unassociated IP. –  BenGC Jul 8 '11 at 14:36

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