To route traffic between the peered transit gateways, you must add a static route to the transit gateway route table that points to the transit gateway peering attachment. The owner of the accepter transit gateway must also add a static route to their transit gateway's route table.
To create a static route using the console
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Open the Amazon VPC console at https://console.aws.amazon.com/vpc/
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On the navigation pane, choose Transit Gateway Route Tables.
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Select the route table for which to create a route.
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Choose Actions, Create static route.
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On the Create static route page, enter the CIDR block for which to create the route. For example, specify the CIDR block of a VPC that's attached to the peer transit gateway.
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Choose the peering attachment for the route.
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Choose Create static route.
To create a static route using the AWS CLI
Use the create-transit-gateway-route
Important
After you create the route, associate the transit gateway route table with the transit gateway peering attachment. For more information, see Associate a transit gateway route table using Amazon VPC Transit Gateways.
