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amazon-web-servicesamazon-ec2
Amiga500
Amiga500

Reputation: 6131

Preserve IP address on Amazon Instance

I have EC2 instance, that I wish to upgrade. Most likely will raise it to medium size. I am aware that if I upgrade the instance, I will loose the IP, it will be renewed. I have heard about Elastic IP, which preserves the IP address on all instance actions (restart, upgrade).

This is production server that I need to upgrade, but before doing so... can someone in short provide me the steps, to minimize the risk of doing something wrong.

Upvotes: 1

Views: 349

Answers (1)

Sorter
Sorter

Reputation: 10220

With elastic IP, you get a static address associated with your account not with your EC2 instance.

On your EC2 Dashboard, you can allocate elastic IP address.

To associate an Elastic IP address with an instance

  1. Open the Amazon EC2 console.
  2. Click Elastic IPs in the navigation pane.
  3. Select an EIP and click Associate Address.
  4. In the Associate Address dialog box, select the instance from the Instance list box and click Associate.

Note: You will incur charges if it is not associated with any ec2 instance. So make sure you release the ips when not in use. AWS does this to get back unused addresses.

Upvotes: 2

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