Chapter 7. Networks

In this chapter, we review the tools available to monitor networking within and between Solaris systems. We examine tools for systemwide network statistics and per-process statistics.

Terms for Network Analysis

The following list of terms related to network analysis also serves as an overview of the topics in this section.

  • Packets. Network interface packet counts can be fetched from netstat -i and roughly indicate network activity.

  • Bytes. Measuring throughput in terms of bytes is useful because interface maximum throughput is measured in comparable terms, bits/sec. Byte statistics for interfaces are provided by Kstat, SNMP, nx.se, and nicstat.

  • Utilization. Heavy network use can degrade application response. The nicstat tool calculates ...

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