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Questions tagged [aws-vpc]

AWS-VPC is the Virtual Private Cloud from the AWS. It enables us to create resources in the virtual network.

A virtual private cloud (VPC) is a virtual network dedicated to your AWS account. It is logically isolated from other virtual networks in the AWS Cloud. You can launch your AWS resources, such as Amazon EC2 instances, into your VPC. You can specify an IP address range for the VPC, add subnets, associate security groups, and configure route tables.

A subnet is a range of IP addresses in your VPC. You can launch AWS resources into a specified subnet. Use a public subnet for resources that must be connected to the internet, and a private subnet for resources that won't be connected to the internet.

For more information check below link :

https://docs.aws.amazon.com/vpc/latest/userguide/what-is-amazon-vpc.html

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AWS VPC endpoint IPV4 connection ot IPV6 Connection

May some one help me to understand if AWS VPC endpoint for s3 is IPV4 of IPV6 connection? I have created a VPC with only IPV4 CIDR. I didn't provide any IPV6 CIDR. When I create a route table entry for VPC endpoint I see the route only if I apply…
kalyan chakravarthy
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How to setup instances in a private subnet of an AWS VPC?

I've been learning about Amazon AWS EC2/VPCs and after multiple videos and articles I've got a VPC up an running with private/public subnets, however, I find myself confused on one key point... how do I connect to new instances deployed in a private…
Cazineer
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AWS VPC with a public and private subnet- instances can ping themselves but can't ping each other

I have a private subnet for the database server that has its own security group and a public subnet for the webserver with its own security group. both instances are in the same route table and ssh is inboud is enabled but still ping between the two…
fatima
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How to wait for user data completion of EC2 launched in Private Subnet?

I am writing a cloud formation template to provision an EC2 instance and I want to wait till the user data is completed. I tried using cfn signal but it's not working while my EC2 is in the private subnet. Getting client side timeout error
Surajit Kundu
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NAT AWS VPN to AWS IOT via VPC

I have a private M2M GSM network for my company devices. I want to send traffic from my devices to AWS IOT but the M2M provider doesn't allow internet access from its sim cards, it only provide an IPSec connexion to a a private network. I had now…
Romaric
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Error "Client.NetworkInterfaceLimitExceeded" in AWS Lambda API Calls

Background: I have 2 web services implemented through Chalice framework on AWS lambda. Both framework points to the same RDS (MySQL) database backend. Problem: User can't login to apps these two days in the afternoon for a few hours. (Those who has…
Qinjie
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AWS Lambda function call API in my local machine

I have a Lambda function that I want to call an API that is my machine, ex: 192.168.1.5/api/mymethod How can I create a VPN between AWS and my Network so Lambda can call it? Any clue or tutorial on how to achieve this?
VAAA
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How many subnets can we add to aws VPC with different CIDR blocks

I have a VPC with CIDR 26.86.30.192/26. I created only single subnet with that VPC CIDR (26.86.30.192/26). Now I'm trying to attach new subnet to exiting VPC and also with new IP block to it with CIDR 46.112.183.128/27 it's not working. Why? I read…
raju
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Using another VPC's VPN connection

We are peered with another VPC that isn't managed by us. Ideally we would like to use that VPC's VPN connection back to a non-AWS network (setting up another VPN is not feasible). Is there any way that we can route traffic via that VPN without…
thewire247
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Why can instances in my VPC still ping instances in different subnet?

I have a VPC. In it I have two sub-nets (subnet-1, subnet-2). Subnet-1 has these EC2 instances: 10.0.0.66, 10.0.0.83 Subnet-2 has these EC2 instances: 10.0.0.203, 10.0.0.208 I would expect to be able to ping from 10.0.0.66 to 10.0.0.83 and I can.…
Zuriar
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Cannot enable vpclink for my vpc

I am trying to enable vpc link support in my account. So I followed what is mentioned here: vpc linlk support and specifically this section: But I cannot see it in my account when I try it: Is it a bug or am I doing sth wrong?
Hamed Minaee
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Amazon Web Services VPC public IP

Im working on building up my network which consists of a subnet in a VPC and three instances in the subnet. I have an elastic IP on one of the instances and no public ip or DNS on the others. For the purpose of the other instances reaching the…
Bean
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Accessing to RDS posgtgreSQL within VPC?

I have a RDS postgreSQL intsnce in my AWS. In my RDS PostgreSQL instance public accessibilty is 'NO' and i have my own VPC and private subnet. I choose that private subnet and VPC for my instance. I created a lambda function to connect the same RDS…
ShaiNe Ram
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Controlling Access subnets from aws vpn connection

By default when you use the VPN connection that provided by AWS using Customer Gateway and VPG, it give access to all of your vpc, how we can control this access or limit it to only single subnet.
Arbab Nazar
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Connecting to a S3 bucket from a Redshift Cluster in Subnet

If the Redshift cluster resides in a public subnet with an internet gateway, do I need an S3 VPC endpoint, NAT gateway or a NAT instance to be able to UNLOAD data from Redshift cluster to a S3 bucket? I would appreciate it if you could briefly…
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