Transit gateway registrations
You can register your existing transit gateways with a global network. Any transit gateway attachments (such as VPCs, VPN connections, and AWS Direct Connect gateways) are automatically included in your global network.
You cannot create, delete, or modify your transit gateways and their attachments using the Network Manager console or APIs. To work with transit gateways, use the Amazon VPC console or the Amazon EC2 APIs.
You can register a transit gateway with one global network only. You can register transit gateways that are in the same AWS account as the global network.
Register a transit gateway
Register a transit gateway with a global network. You cannot register a transit gateway with more than one global network.
To register a transit gateway
Access the Network Manager console at https://console.aws.amazon.com/networkmanager/home/
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Under Connectivity, choose Global Networks.
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On the Global networks page, choose the global network ID.
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In the navigation pane, choose Transit gateways., and then choose Register transit gateway.
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(Optional) If your account is enabled for multi-account access, from the Select account dropdown list choose the account you want to register transit gateways from.
The Select transit gateway to register section populates with that account's transit gateways.
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Choose one or more transit gateways, and then choose Register transit gateway.
To register a transit gateway using the AWS CLI
Use the register-transit-gateway command.
View your registered transit gateways
View the registered transit gateways in your global network.
To access your registered transit gateways
Access the Network Manager console at https://console.aws.amazon.com/networkmanager/home/
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Under Connectivity, choose Global Networks.
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On the Global networks page, choose the global network ID.
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In the navigation pane, choose Transit gateways.
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The Transit gateways page lists your registered transit gateways. Choose the ID of transit gateway to view its details.
To view your registered transit gateways using the AWS CLI
Use the get-transit-gateway-registrations command.
Deregister a transit gateway
Deregister a transit gateway from a global network.
To deregister a transit gateway
Access the Network Manager console at https://console.aws.amazon.com/networkmanager/home/
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Under Connectivity, choose Global Networks.
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On the Global networks page, choose the global network ID.
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In the navigation pane, choose Transit gateways.
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Select your transit gateway, and choose Deregister.
To deregister a transit gateway using the AWS CLI
Use the deregister-transit-gateway command.
