How to Troubleshoot Networks

There are different reasons why things go wrong on our networks, humans make errors in their configurations, hardware can fail, software updates may include bugs and changing traffic patterns might cause congestion on our networks. To troubleshoot these errors there are different approaches and some are more effective than others.

Troubleshooting consists of 3 steps:

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Introduction to SNMP

Imagine you have a large network that has many switches and routers, a dozen servers and hundreds of workstations…wouldn’t it be great if you could monitor all those devices somehow? Using a NMS (Network Management System) it’s possible to monitor all devices in your network. Whenever something bad happens (like an interface that goes down) you will receive an e-mail or text message on your phone so you can respond to it immediately.

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