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Click Subnets.
- Click Create subnet.
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At the Create subnet page.
- In the VPC ID section, click Lab VPC.
- In the Subnet name field, enter Lab Public Subnet.
- In the Availability Zone section, select the first Availability zone.
- In the field IPv4 CIRD block enter 10.10.1.0/24.
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Scroll to the bottom of the page, click Create subnet.
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Click Lab Public Subnet.
- Click Actions.
- Click Edit subnet settings.
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Click Enable auto-assign public IPv4 address.
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Click Internet Gateways.
- Click Create internet gateway.
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At the Create internet gateway page.
- In the Name tag field, enter Lab IGW.
- Click Create internet gateway.
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After successful creation, click Actions.
- Click Attach to VPC.
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At the Attach to VPC page.
- In the Available VPCs section, select Lab VPC.
- Click Attach internet gateway.
- Check the successful attaching process as shown below.
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Next we will create a custom route table to assign to Lab Public Subnet.
- Click Route Tables.
- Click Create route table.
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At the Create route table page.
- In the Name field, enter Lab Publicrtb.
- In the VPC section, select Lab VPC.
- Click Create route table.
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After creating the route table successfully.
- Click Edit routes.
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At the Edit routes page.
- Click Add route.
- In the Destination field, enter 0.0.0.0/0
- In the Target section, select Internet Gateway and then select Lab IGW.
- Click Save changes.
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Click the Subnet associations tab.
- Click Edit subnet associations to proceed with the associate custom route table we just created in Lab Public Subnet.
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At the Edit subnet associations page.
- Click on Lab Public Subnet.
- Click Save associations.
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Check that the route table information has been associated with Lab Public Subnet and the internet route information has been pointed to the Internet Gateway as shown below.