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Public IP (Primary IP) lost in AWS after attaching an additional network interface after adding it in AWS instance.

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Public IP (Primary IP) lost in AWS after attaching an additional network interface after adding it in AWS instance.  Empty Public IP (Primary IP) lost in AWS after attaching an additional network interface after adding it in AWS instance.

Post by ahsanul.moyeen Thu Jan 07, 2021 5:09 am

After adding an additional network interface in AWS, I lost primary IP in AWS, when I hit “Attach”. It released the public IP. I don’t want this to happen.

ahsanul.moyeen

Number of Messages : 349
Point : 653
Registration Date : 2020-11-24

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Public IP (Primary IP) lost in AWS after attaching an additional network interface after adding it in AWS instance.  Empty Re: Public IP (Primary IP) lost in AWS after attaching an additional network interface after adding it in AWS instance.

Post by ahsanul.moyeen Thu Jan 07, 2021 5:09 am

Please do following

1 - Create a new Network Interface in the same subnet as your EC2 instance.
2 - Allocate a new Elastic IP for your VPC (if you haven't done so already).
3 - Associate the Elastic IP address with your new Network Interface (eni).
4 - Attach your new Network Interface to your EC2 instance.

ahsanul.moyeen

Number of Messages : 349
Point : 653
Registration Date : 2020-11-24

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