AWS Peering Connection: Simplified VPC Networking

Overview

AWS Peering Connection facilitates easy VPC connectivity, allowing seamless communication between VPCs across accounts and regions.

Connection Scenarios

You can establish connections between VPCs in the following scenarios:

  • Same account, same region
  • Same account, different regions
  • Different account, same region
  • Different account, different region

Setup Process

  1. Requester and Accepter Roles:

    • The requester initiates the connection.
    • The accepter responds to the request.

  2. Network Requirements:

    • Both VPCs must have different network configurations.

  3. Connection Setup:

    • Choose the requester VPC ID.
    • Specify if the accepter is in the same account and region.
    • Provide the accepter’s account ID and region if different.
    • Enter the accepter VPC ID.

Connection Management

  • For same-account connections, go to the Peering Connection dashboard and accept the connection.
  • For different-account connections, the accepter manages the connection in their account.

Additional Steps

  • After creating the connection, update route tables in both VPCs to ensure seamless traffic flow.
  • Specify the destination network and designate the Peering Connection as the gateway in route table configurations.

Conclusion

AWS Peering Connection streamlines VPC networking, allowing for efficient communication between VPCs in various scenarios.

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