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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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Chapter 11. Monitoring Network Systems—Processes and Resources

This chapter is geared toward analyzing the processes and resources in the IOS-based router hardware and Catalyst series switches with respect to performance and fault/error management. We first look at performance variables and then identify the fault and error management variables that apply to these systems. This analysis specifically looks at objects and values relating to the following:

  • CPU usage

  • Backplane utilization

  • Memory

  • Buffers

We apply and correlate the appropriate MIBs, CLI commands, traps, and syslog messages with these variables. Specific correlations are drawn under each section between the different MIB objects, CLI output, SNMP traps, and syslog messages. There are certain ...

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