AWS

AWS ENI – Error deleting network interface

In AWS sometimes you could see the error message when try to detach ENI “Error deleting network interface” .  It’s normal , we just need to understand the concept . ENI’s are not only created by manually . When you create some resources , AWS will automatically create the backend must required resource. Example when you create EFS it will…

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AWS Network

AWS Inter-Region VPC Peering

AWS Inter – Region VPC Peering Normally VPC peering can be created between two VPCs in the same region ,either in same account or in different account.On Nov 29 Amazon announced VPC peering can be created between different regions . At this moment this facility announced for few regions. “Amazon EC2 now allows peering relationships to be established between Virtual…

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AWS Network, Compute

Configure multiple AWS EC2 Elastic Network Interface ENI in Linux

    Configure multiple AWS EC2 Elastic Network Interface ENI in Linux AWS EC2 instance by-default will have one ENI with private / public IP address .In some cases need 2 or more separate IP address for high availability solutions, multiple web deployments or to separate the management ,administration and public traffic .In AWS we can create additional ENI NIC…

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AWS Network

How to create AWS placement group and Launch Instances

  Overview: AWS Placement Group is a logical grouping of instances within a single Availability Zone  Using Placement Groups enables applications to participate in a low-latency, 10 Gbps network To get high performance network with low latency placement group is very good option. Logically the instance will be closer to . This will be useful for Cluster servers environment or very high transnational…

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AWS Network

Which one is best to use NAT instance or NAT gateway? 

  Which one is best to use NAT instance or NAT gateway?  NAT instance You can use a network address translation (NAT) instance in a public subnet in your VPC to enable instances in the private subnet to initiate outbound IPv4 traffic to the Internet or other AWS services, but prevent the instances from receiving inbound traffic initiated by someone…

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AWS Network

How to configure VPC peering in AWS? 

How to configure VPC peering in AWS?  Normally network traffic blocked between VPCs.A VPC peering connection is a networking connection between two VPCs that enables you to route traffic between them using private IP addresses. You can create a VPC peering connection between your own VPCs, or with a VPC in another AWS account. In both cases, the VPCs must…

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AWS Network

What is the advantages in AWS direct connect? 

What is AWS Direct Connect?  AWS Direct Connect service can establish private network connectivity from corporate Data Center to AWS with out inernet connection. AWS Direct Connect links your internal network to an AWS Direct Connect location over a standard 1 gigabit or 10 gigabit Ethernet fiber-optic cable. One end of the cable is connected to your router, the other…

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