Discover how to architect a hybrid networking solution connecting 30 VPCs across 3 AWS Regions with centralized traffic filtering using approved firewalls, ensuring 2 Gbps bandwidth between corporate networks and AWS environments.
Table of Contents
Question
A network engineer is designing a hybrid networking environment that will connect a company’s corporate network to the company’s AWS environment. The AWS environment consists of 30 VPCs in 3 AWS Regions.
The network engineer needs to implement a solution to centrally filter traffic by using a firewall that the company’s security team has approved. The solution must give all the VPCs the ability to connect to each other. Connectivity between AWS and the corporate network must meet a minimum bandwidth requirement of 2 Gbps.
Which solution will meet these requirements?
A. Deploy an IPsec VPN connection between the corporate network and a new transit gateway. Connect all VPCs to the transit gateway. Associate the approved firewall with the transit gateway.
B. Deploy a single 10 Gbps AWS Direct Connect connection between the corporate network and virtual private gateway of each VPC. Connect the virtual private gateways to a Direct Connect gateway. Build an IPsec tunnel to a new transit VPC. Deploy the approved firewall to the transit VPC.
C. Deploy two 1 Gbps AWS Direct Connect connections in different Direct Connect locations to connect to the corporate network. Build a transit VIF on each connection to a Direct Connect gateway. Associate the Direct Connect gateway with a new transit gateway for each Region. Configure the VIFs to use equal-cost multipath (ECMP) routing. Connect all the VPCs in the three Regions to the transit gateway. Configure the transit gateway route table to route traffic to an inspection VPDeploy the approved firewall to the inspection VPC.
D. Deploy four 1 Gbps AWS Direct Connect connections in different Direct Connect locations to connect to the corporate network. Build a transit VIF on each connection to a Direct Connect gateway. Associate the Direct Connect gateway with a new transit gateway for each Region. Connect the transit gateways by using a transit gateway peering attachment. Configure the VIFs to use equal-cost multipath (ECMP) routing. Configure transit gateway route tables to route traffic to an inspection VPC. Deploy the approved firewall to the inspection VPC.
Answer
C. Deploy two 1 Gbps AWS Direct Connect connections in different Direct Connect locations to connect to the corporate network. Build a transit VIF on each connection to a Direct Connect gateway. Associate the Direct Connect gateway with a new transit gateway for each Region. Configure the VIFs to use equal-cost multipath (ECMP) routing. Connect all the VPCs in the three Regions to the transit gateway. Configure the transit gateway route table to route traffic to an inspection VPDeploy the approved firewall to the inspection VPC.
Explanation
Option C offers redundant 1 Gbps Direct Connect connections, ensuring a total bandwidth of 2 Gbps for connectivity. Transit gateways in each region centralize connectivity between VPCs. The inspection VPC hosts the approved firewall, providing centralized traffic filtering for VPCs connected through transit gateways.
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