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The Route Table used exclusively by the utility subnets contains only local routes for the primary and second VPC CIDR blocks.
Customer Route Tables
Customer Route Tables that support inter-VPC traffic as well as private Cornell, public Cornell, and internet network traffic. Routes in these tables direct traffic bound for the private Cornell network (10.0.0.0/8) and (optionally) public Cornell subnets use the Transit Gateway Attachment as their destination.
Network ACLs
Utility Subnet ACL
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