Sniffer Pro: Network Optimization & Troubleshooting Handbook
Provides all-inclusive coverage of Sniffer Pro LAN, including the tools accessible on networks.
TABLE OF CONTENTS Sniffer Pro: Network Optimization & Troubleshooting Handbook
Chapter 9: Understanding and Using Triggers and Alarms
Introduction
Network usage patterns change over time as personnel roles and responsibilities change and as new applications are introduced; so too should the network supporting them. Networks are constantly being put to the test with the latest applications. As the demands and level of complexity grow, so does the possibility of an unexpected network failure. Seemingly benign events are often symptoms of more ominous problems lurking just below the surface. Only by proactively monitoring the network resources can these possible issues be mitigated in time to make the difference between a minimal service outage used to tweak a network segment or component and a full-out crisis during peak network usage.
In the previous chapters you have learned how to:
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Monitor network utilization
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Generate real-time logs and reports on specified activities or stations, such as utilization and error statistics
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Capture network traffic for later analysis
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Review the analysis generated by the Sniffer Pro Expert
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Generate traffic to simulate network conditions
Network issues occur on even the best-managed networks. It is critical that before you begin to analyze any specific network issue, you have a clear understanding of the environment you will be working in. Here is a short list of the basic information you should have available.
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An established baseline Before you can troubleshoot a network, you should have a good understanding of how it normally operates under usual everyday conditions. How can you know something is not operating properly if you ve never seen it...
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