Connecting Transit Gateway to AWS VGW

Connect to an AWS Virtual Private Gateway (VGW).

This procedure assumes the AWS VGW is already deployed in the Transit VPC.

To connect the Transit Gateway to AWS VGW (VPN Gateway):

  1. Go to Networking > Connectivity > External Connections (S2C) tab.

  2. Click + External Connection.

  3. Enter the following values:

    Parameter

    Description

    Name

    Enter a unique name to identify this connection to VGW.

    Connect Public Cloud To

    1. Select the CSP Gateways radio button.

    2. Click on the dropdown menu and select AWS VGW.

    Local Gateway

    Enter the name of the Transit Gateway to connect to VGW.

    Local ASN

    Enter the BGP AS number the Transit Gateway will use to exchange routes with VGW.

    VGW Account Name

    Enter the name of this AWS account that VGW is created with.

    VGW Region

    Enter this AWS region where VGW is created.

    VGW ID

    Enter the VGW that is created in the VGW Region in the AWS account.

    Learned CIDR Approval

    This is Off and disabled by default unless the Local Gateway you select has Learned CIDR Approval turned On; the Connection option selected, and the BGP connection selected. Then it is On by default (not editable).

  1. Click Save.

The new AWS VGW connection appears in the table.