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Questions tagged [amazon-elastic-ip]

AWS Elastic IP addresses (EIP) allow the assignment of public static IPv4 addresses to resources, generally EC2 instances. An EIP can be remapped quickly, which allows the user to mask the failure of instances or software.

An Elastic IP Address (EIP) is a public static IPv4 address, which is reachable from the Internet. You can associate an Elastic IP address with your EC2 instance to enable communication with the Internet; for example, to connect to your instance from your local computer.

Elastic IPs provide resource mobility within a single VPC within a single AWS region, assisting with architecting fault tolerant applications. An unallocated EIP incurs charges.

Questions specifically dealing with AWS' Elastic IP should use this tag.

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Is Elastic IP Assignment to another EC2 instant?

If I move an Elastic IP from one EC2 instance to another, does it happen instantly? I am asking this question, as I have a situation where I have a website hosted within Elastic Beanstalk without a load balancer. Therefore my Route53 is configured…
Luke
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Route 53 not able to map to EC2 using an Elastic IP

So I launched an EC2 instance with an Elastic IP attached to it. I am able to see my app online (HTTP) using the IP address (52.88.100.62). I bought a domain name (rishijavia.com) and was trying to link the instance to that using Route 53. Here's a…
JavsInLungi
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Amazon AWS EC2 - Two IP´s for private and public access

I need a different IP for my database/ssh access to the public IP address my users know for a better security. For my understanding, it´s only possible to bind a single Elastic IP to one EC2 Instance, and the Private IP´s are only accessible from…
Marian Klühspies
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AWS Multi ELB In One VPC

I am trying to figure out the best solution for my use case. Say I have 10 websites to host in my VPC. Each of these websites need to be behind an Elastic Load Balancer. From my understanding, each ELB needs to be assigned an Elastic IP (EIP). I am…
gprime
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Unable to ping second Elastic IP address. Is a separate Security Group required?

I have claimed an additional Elastic IP address and associated with an running instance. It is also tied up with a secondary Private IP Address. I am unable to ping the new Elastic IP address. Further, do I need to create a separate Security Group…
Kabeer
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Host entry not working with an elastic ip on aws ec2 instance

I've set up Magento web on an aws ec2 instance for development & testing. I was able to access it by putting a host entry on my local machine using the public IP. But then I changed it to an elastic IP and even after updating my local host entry I…
Holly
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Why I cannot access EC2 instance public IP from inside of instance itself?

Here is an example, I have an Linux instance , say, private IP is 10.10.10.10, public IP is 54.54.54.54. Inside the instance, I could successfully ping it's private IP(10.10.10.10) and localhost. However, I cannot access it's public…
Wenbing Li
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Elastic IP Not Resolving to Windows Instance

I'm sure I'm just missing a step, but I can't figure out how to get server to resolve to new elastic IP address. I appreciate everyone for their help. I've been trying to figure this out for a while now and can't seem to get it. This is the…
FAtBalloon
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Elastic IP not pingable with AWS

After instantiating a micro server I created an elastic IP and associated my micro instance with it. In my micro instance settings panel in AWS, I see "Public IP" address and an "Elastic IP" address, which as far as I can understand, means the…
Ohad
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How many elastic IP's do I need to host two sites using SSL in IIS on one windows EC2 instance

I have one windows instance on instance in EC2. I have two websites configured in IIS on this instance, each with a different SSL certificate for two completely different domains. Each is a wild card but i feel this is probably irrelevant to my…
Peter Kneale
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Reaching additional network interface in Amazon EC2

I've configured an additional network interface with only private address but i can't reach that server using this newly created address. Here are the steps I've done: created 2 machines: A and B (same zone). created an additional ENI with a new…
Samuel García
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Assign a public IP address to new Amazon Instance

My Amazon Instance got terminated accidentaly. This Instance was having an IP address associated with itself so that it can be accessed from internet. Now I have created another Instance from the snapshot of the previous one and now I want to assign…
user2129794
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Max number of elastic IPs that can be attached to single instance?

How many elastic IPs (publicly visible) can be attached to single instance?
jayarjo
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Why can my EC2 instance no longer connect to itself using its public DNS entry?

One of our Amazon EC2 instances can no longer connect to itself using its public DNS . It says "unknown host". Previously, when used from within EC2, the public DNS resolved to the current internal IP. This is still the case for another instance we…
Jens Bannmann
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AWS Elastic IP vs. VPC Usage Recommendations: Suggestions?

I'm working on creating a suite of self-training exercises and guides (perhaps eventually a collection of videos or Slideshare presentations) covering a range of systems administration and "ops" related topics. My plan is to prototype and present…
Jim Dennis
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