Route tables

This example has three VPCs and multiple subnets within each VPC:

Customer A VPC (10.10.0.0/16) and Customer B VPC (10.20.0.0/16): place protected resources whose traffic must be analyzed here.
Security VPC (10.90.0.0/16): place FortiGates here.

Application subnets are placed in different AZs.

Route tables

This example has three VPCs and multiple subnets within each VPC:

Customer A VPC (10.10.0.0/16) and Customer B VPC (10.20.0.0/16): place protected resources whose traffic must be analyzed here.

Security VPC (10.90.0.0/16): place FortiGates here.

Application subnets are placed in different AZs.