Discover how to optimize connectivity and monitoring in merged AWS environments. Learn how transit gateway peering, VPC Flow Logs, and AWS Network Manager enhance visibility and network management post-merger.
Table of Contents
Question
Two companies are merging. The companies have a large AWS presence with multiple VPCs and are designing connectivity between their AWS networks. Both companies are using AWS Direct Connect with a Direct Connect gateway. Each company also has a transit gateway and multiple AWS Site-to-Site VPN connections from its transit gateway to on-premises resources. The new solution must optimize network visibility, throughput, logging, and monitoring.
Which solution will meet these requirements?
A. Configure a Site-to-Site VPN connection between each company’s transit gateway to establish reachability between the respective networks. Configure VPC Flow Logs for all VPCs. Publish the flow logs to Amazon CloudWatch. Use VPC Reachability Analyzer to monitor connectivity.
B. Configure a Site-to-Site VPN connection between each company’s transit gateway to establish reachability between the respective networks. Configure VPC Flow Logs for all VPCs. Publish the flow logs to Amazon CloudWatch. Use AWS Transit Gateway Network Manager to monitor the transit gateways and their respective connections.
C. Configure transit gateway peering between each company’s transit gateway. Configure VPC Flow Logs for all VPCs. Publish the flow logs to Amazon CloudWatch. Use VPC Reachability Analyzer to monitor connectivity.
D. Configure transit gateway peering between each company’s transit gateway. Configure VPC Flow Logs for all VPCs. Publish the flow logs to Amazon CloudWatch. Use AWS Transit Gateway Network Manager to monitor the transit gateways, their respective connections, and the transit gateway peering link.
Answer
D. Configure transit gateway peering between each company’s transit gateway. Configure VPC Flow Logs for all VPCs. Publish the flow logs to Amazon CloudWatch. Use AWS Transit Gateway Network Manager to monitor the transit gateways, their respective connections, and the transit gateway peering link.
Explanation
The solution that optimizes network visibility, throughput, logging, and monitoring for the merged companies’ AWS networks is Option D. It involves transit gateway peering between the companies’ transit gateways, configuring VPC Flow Logs for all VPCs, publishing these logs to Amazon CloudWatch, and using AWS Transit Gateway Network Manager for monitoring transit gateways, connections, and peering links.
This solution offers enhanced network visibility by connecting the transit gateways, enabling comprehensive logging through VPC Flow Logs published to CloudWatch, and leveraging Network Manager for centralized monitoring, ensuring efficient oversight and management of the merged network infrastructure.
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