VPC Tutorial #1 : How to set-up a VPC and its components- step-by-step guide!!

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In this article I will walk you through the 8 steps guide to launch your first VPC!!. I consider you set-up your own AWS account and possess the basic cloud networking understanding!!

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Topics covered

• VPC

• Subnets

• Internet gateway

• Nat gateway

• Route table

• Launch EC2 instance and Test

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• Create VPC -

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• Create subnet -

1. Create Public Subnet

2. Create Private Subnet -

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• Create IGW -

1. Click on Attach to VPC button

2. Select a VPC ID from drop down of available VPC’s

3. Click on Attach Internet Gateway.

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• Create NAT gateway -

1. Choose public subnet and not private because only public subnet has internet access.

2. Now we need Elastic Ip- either choose from already available or click allocate elastic IP button,I will click on allocate elastic ip button.

3. Heat Create NAT gateway.

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• Create and update Route Table (Public & Private)-:

  1. Create Public route table -

2. Public subnet association

2. 

   Edit routes for Internet gateway.

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2.1 Create Private route table -

2.2 Private subnet association

2.3 Edit routes for NAT gateway

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• Launch Public EC2 instance -

  1. Add name and tags.

  2. Create new key pair and attach it.

     

  3. Enable auto assign Public IP ( for Browser testing)

     

  4. Add Inbound rule for SSH - port 22 and HTTP port -80

     

  5. User data (In Advanced details section) -

     

     6. Heat Launch Instance.

• Launch Private EC2 instance - (follow above guide)

  1. Add name and tags.

  2. Create new key pair and attach it.

  3. Don’t Enable auto assign Public IP.

  4. Add Inbound rule for SSH - port 22 only.

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• Test -

  Public Instance -

  Copy Public IP and paste it to browser.

  

  

  Success!!!!

Private Instance -

SSH to Public instance

copy key and paste it to public instance

then ssh from public instance to private instance

Success!!!!

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• Cleanup : -

1. Delete EC2 instances.

2. Disassociate and Release Elastic -IP and delete NAT gateway.

3. Delete VPC.

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Note - This is the first part of a series dedicated to mastering VPCs. Stay tuned for more VPC insights like peering, Transit gateway, Endpoints and more !!💡

Feel free to drop your thoughts, questions, or feedback in the comments. Let’s learn together!! ☁️🚀

Happy Learning!!

Shivprasad Waghmare

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