Discover how AWS Transit Gateway Network Manager’s Route Analyzer tool helps swiftly identify and resolve misconfigured routes between transit gateways across regions, ensuring seamless connectivity for multi-region operations.
Table of Contents
Question
A company has business operations in the United States and in Europe. The company’s public applications are running on AWS and use three transit gateways. The transit gateways are located in the us-west-2, us-east-1, and eu-central-1 Regions. All the transit gateways are connected to each other in a full mesh configuration.
The company accidentally removes the route to the eu-central-1 VPCs from the us-west-2 transit gateway route table. The company also accidentally removes the route to the us-west-2 VPCs from the eu-central-1 transit gateway route table.
How can a network engineer identify the misconfiguration with the LEAST operational overhead?
A. Use the Route Analyzer feature for AWS Transit Gateway Network Manager.
B. Use the AWSSupport-SetupIPMonitoringFromVPC AWS Systems Manager Automation runbook. Push network telemetry data to Amazon CloudWatch Logs for analysis.
C. Use VPC flow logs in eu-central-1 and us-west-2 to analyze the missing routes.
D. Use Amazon VPC Traffic Mirroring in eu-central-1 or us-west-2 to take packet captures and troubleshoot the connectivity issues.
Answer
A. Use the Route Analyzer feature for AWS Transit Gateway Network Manager.
Explanation
To identify the misconfiguration between transit gateways with minimal operational overhead:
Option A: Use the Route Analyzer feature for AWS Transit Gateway Network Manager. This tool offers an efficient way to analyze and troubleshoot route propagation issues between transit gateways in different regions, providing insights into missing routes and connectivity problems.
The Route Analyzer feature within AWS Transit Gateway Network Manager allows a comprehensive analysis of route configurations and helps pinpoint missing or incorrect routes between transit gateways in disparate regions. It offers an overview of route propagation, aiding in swift identification and resolution of the misconfiguration.
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