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Performance and Fault Management by James M. Thompson, Kent J. Phelps, Robert L. Pavone, Christopher E. Elliott, Paul L. Della Maggiora

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Correlating Variables and Performance Issues

In the case of dial, the MIB variables for cmLineStatisticsTable or the data gathered through the CLI show commands can and should be looked at and trended statistically. By looking at these variables over time, you can find trends, such as modems, that are connecting only at low speeds or that have more of a particular type of error. This type of analysis and correlation can help to diagnose performance problems within call groups, signaling levels, and even the lines. As you can see, a lot of what you gather in performance management can be applied to fault/error management.

The data gathered by show modem conn 56000 can be correlated with the data gathered from the RADIUS or AAA log. The use of ...

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