April 15, 2000
An Expert Subnet Mask
The latest network analysis tools have some of the most advanced 'expert'
diagnostics available. Unfortunately, the analysis 'expert' feature can't
automatically know about everything (it is a computer, after all). Without
providing the correct information to the analyzer, it can't accurately
provide feedback for finding and fixing problems on your network.
One piece of information that is usually invisible to the analyzer are the
subnet masks on the network. Many network analyzers have a configuration
section for their diagnostics routines that allow the addition of all IP
addresses and subnet masks on the network. If these subnet masks are not
manually added, the analyzer may use default settings that do not correspond
to the network. The resulting expert analysis could be inaccurate, and
troubleshooting could be made more difficult with the addition of problems
that don't really exist!
Posted by james_messer at April 15, 2000 02:34 PM
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