Flow Logs Flow Logs capture data on IP traffic flows between interfaces in a VPC. You select the source and destination of the flow you want to analyze, and the service will show you the path between the two inside of AWS. The Flow Log captures are external to the actual data flow in your […]

X-Ray Traces The X-Ray service receives inbound and outbound trace data that is collected from your applications. X-Ray traces create a service map to give you a visual reference of the workflow and identify latency and performance issues, as shown in Figure 5.11. X-Ray aggregates the collected trace information and metadata by installing the AWS daemon […]

Route 53 Logs Route 53 has service integrations for exporting events into CloudTrail and CloudWatch. DNS requests at the domain- and subdomain-level are logged into CloudWatch with metrics including what domain lookup was requested, the date and time, the record type such as CNAME or A records, the response code, and the edge location that […]

Access Logs Many AWS services record user access and export the data as log files for you to process using backend services. These log files allow you to monitor usage patterns, collect baselines, troubleshoot, and validate any security or compliance mandates your organization may operate under. Analytic services can be used to gain valuable insights […]

VPC Reachability Analyzer The VPC Reachability Analyzer is used to validate your network connectivity, troubleshoot, identify network configuration issues, and automate validations for connectivity after configuration changes or new deployments. The VPC Reachability Analyzer checks the network path taken by a packet from the source to destination. The tool creates a logical model of the […]

Metric Insights Metric Insights is part of the CloudWatch service offerings. Metric Insights provides an SQL-based query engine that can search millions of metrics in real time. Metric Insights allows you to capture trends and data patterns as they occur, enabling you to respond quickly to events using SQL-based queries. Metric Insights allows for the […]

Logging CloudWatch acts as a centralized logging collection repository for both system- and application-level logs generated by all of your devices and services and also external services running in your data center with the installation of the CloudWatch logs agent. By centralizing logging into CloudWatch, you have a central repository of all logs generated by […]

Monitoring Categories There are three different types of monitoring that allow you to pick which one best fits your needs and budget. By selecting either default, detailed, or custom monitoring, you are selecting the time interval between measurements. Standard monitoring is the default and supported by all AWS services. The interval is 5 minutes, and […]

THE AWS CERTIFIED ADVANCED NETWORKING – SPECIALTY EXAM OBJECTIVES COVERED IN THIS CHAPTER MAY INCLUDE, BUT ARE NOT LIMITED TO, THE FOLLOWING: Objective 1.4: Define logging and monitoring requirements across AWS and hybrid networks. CloudWatch CloudWatch is the AWS monitoring service used to monitor and manage your AWS deployments. It plays a critical role in […]

Review Questions The following questions are designed to test your understanding of this chapter’s material. For more information on how to obtain additional questions, please see this book’s introduction. Kubernetes Round-robin Offload Health checking