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Answer: Configure a transit gateway to attach the VPCs. Configure a transit gateway Connect attachment for the third-party SD-WAN appliance transit VPC. Use transit gateway Connect native integration of SD-WAN virtual hubs with AWS Transit Gateway.
The question revolves around optimizing the connection between multiple VPCs and a third-party SD-WAN appliance transit VPC in a hybrid infrastructure setup, aiming to address scalability, route table limitations, and cost issues. Option A suggests using a transit gateway to attach the VPCs and establishing a Site-to-Site VPN connection between the transit gateway and the SD-WAN appliance transit VPC. This approach leverages the SD-WAN overlay links for branch office connectivity. Option B proposes configuring a transit gateway Connect attachment for the SD-WAN appliance transit VPC, utilizing the native integration of SD-WAN virtual hubs with AWS Transit Gateway. This method is designed to reduce operational overhead by simplifying the connection and management of SD-WAN appliances with AWS. Option C and D involve VPC peering, which does not inherently solve the scalability and route table limitations as effectively as a transit gateway. Among these, Option B stands out as the most efficient solution because it directly addresses the operational overhead by leveraging AWS Transit Gateway's native integration capabilities with SD-WAN virtual hubs, thereby simplifying the architecture and reducing management complexity.
Author: LeetQuiz Editorial Team
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A marketing company utilizes a hybrid infrastructure with AWS Direct Connect links and an SD-WAN overlay to connect its branch offices. Multiple VPCs are connected to a third-party SD-WAN appliance transit VPC within the same account using AWS Site-to-Site VPNs. The company plans to add more VPCs to the SD-WAN appliance transit VPC but faces scalability issues, route table limitations, and increased costs with the current setup.
What solution should a network engineer implement to address these challenges, reduce dependencies, and minimize operational overhead?
A
Configure a transit gateway to attach the VPCs. Configure a Site-to-Site VPN connection between the transit gateway and the third-party SD-WAN appliance transit VPC. Use the SD-WAN overlay links to connect to the branch offices.
B
Configure a transit gateway to attach the VPCs. Configure a transit gateway Connect attachment for the third-party SD-WAN appliance transit VPC. Use transit gateway Connect native integration of SD-WAN virtual hubs with AWS Transit Gateway.
C
Configure a transit gateway to attach the VPCs. Configure VPC peering between the VPCs and the third-party SD-WAN appliance transit VPUse the SD-WAN overlay links to connect to the branch offices.
D
Configure VPC peering between the VPCs and the third-party SD-WAN appliance transit VPC. Use transit gateway Connect native integration of SD-WAN virtual hubs with AWS Transit Gateway.
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