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
Baselining, Trending, and Change Management
Baselining is a word that most technicians learn in school or hear frequently on the job, but honestly, how many times is it done? Who is actually baselining your network? What exactly is baselining?
A baseline is something you create before you have a problem. Otherwise, what is the point? If you do not know how your network runs under normal operations, how will you be able to analyze a possible problem? Think of it this way: You are called to a client site, and they tell you that the network is performing very badly and is very slow. Generally, the first few questions you ask should be: Has the network always been this way? What is the norm here as far as performance goes? Were any changes made to the network? Believe it or not, when you ask these questions, you will often meet blank stares. Most people do not know how their networks run normally and don t know if any changes were made.
| Note | Always document the changes you make to a network, no matter how large or small those changes. That one line of code you changed in the switch configuration can easily affect network performance. In large companies, most changes go through the network management department, where a change management team monitors and records all the network changes with you. |
If you are working toward a solution and choose to implement one, that does not mean you...
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