Share Transit Gateway with Resource Access Manager

This time, I would like to describe how to share a Transit Gateway created with a Site-To-Site VPN connection with other AWS accounts.

A simple configuration diagram is shown below.

It is assumed that the Site-To-Site VPN connection and Transit Gateway have already been created.

References : How to connect to AWS via Site-to-Site VPN using Juniper SRX300

The tasks to be performed are as follows:

(1) Work on the AWS account A

1. Creating a Resource Share

(2) Work on the AWS account B

1. Accepting an invitation
2. Creating a Transit Gateway Attachment

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(1) Work on the AWS account A

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1.Creating a Resource Share

Open the Resource Access Manager menu and click the Create resource share button.

Set the AWS account ID with which you want to share.

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(2) Work on the AWS account B

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1.Accepting an invitation

Accept the invitation from the Resource Access Manager menu in the AWS account to which the resource is shared.

2.Creating a TransitGateway Attachment

Once approved, you can select the source Transit Gateway from the Transit Gateway Attachment creation menu.

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