Amazon Virtual Private Cloud
Transit Gateways

Limits for Your Transit Gateways

Your AWS account has the following limits related to transit gateways. To request a limit increase, use the Limits form.

  • Number of transit gateways per Region per account: 5

  • Number of transit gateway attachments per VPC: 5

  • Number of transit gateway route tables per transit gateway: 20

  • Number of routes per transit gateway route table: 10,000

    For VPC route table limits, see Amazon VPC Limits in the Amazon VPC User Guide.

  • Total number of transit gateway attachments per Region per account: 5,000

  • Maximum number of incoming prefixes for a BGP session on an IPSec VPN attachment: 100

  • Maximum bandwidth (burst) per VPC connection: 50 Gbps

  • Maximum bandwidth per VPN connection: 1.25 Gbps

    This is a hard limit. You can use ECMP to get higher VPN bandwidth by aggregating multiple VPN connections.

  • Number of AWS Direct Connect gateways per transit gateway: 20

    This limit cannot be increased.

  • Transit gateways per AWS Direct Connect gateway: 3

    This limit cannot be increased.