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enabling-lambda-vpc-internet-access

Enables internet access for AWS Lambda functions deployed in VPC subnets by creating NAT Gateway infrastructure, configuring public/private subnet routing, and updating security groups. Use when a VPC-attached Lambda function cannot reach the internet.

skills/specialized-skills/networking-and-content-delivery-skills/enabling-lambda-vpc-internet-access/SKILL.md

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# Enabling Lambda VPC Internet Access

## Overview

Domain expertise for enabling internet access from AWS Lambda functions running inside VPC private subnets. Lambda functions in a VPC cannot receive public IP addresses, so outbound internet access requires NAT Gateway infrastructure that routes traffic from private subnets through a public subnet to an Internet Gateway.

## Enable internet access for a VPC Lambda function

To set up NAT Gateway infrastructure and configure routing for a Lambda function that needs internet access, follow the procedure exactly.
See [Lambda VPC internet access setup procedure](references/lambda-vpc-internet-access.md).

## Troubleshooting

### NAT Gateway not working