Update the allowed prefixes for a transit gateway and AWS Direct Connect association - AWS Direct Connect

Update the allowed prefixes for a transit gateway and AWS Direct Connect association

You can update the prefixes that are allowed from the transit gateway over the Direct Connect gateway using either the AWS Direct Connect console or using the command line or API. To update the allowed prefixes for a transit gateway and Direct Connect association using the AWS Direct Connect console,

  • If you're the owner of the transit gateway. you'll need to create a new association proposal for that Direct Connect gateway, specifying the prefixes to allow. For the steps to create a new association proposal, see Create a transit gateway association proposal.

  • If you're the owner of the Direct Connect gateway you can update the allowed prefixes when you accept the association proposal, or if you update the allowed prefixes for an existing association. For the steps to update the allowed prefixes when you accept the association, see Accept or reject a transit gateway association proposal.

To update the allowed prefixes for an existing association using the command line or API