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When choosing a particular tool to use for monitoring, an Admin must first decide if they would like to use a more proven system
or a newer system. If the proven system is the direction that feels more comfortable, NetFlow is the most beneficial tool to use
since a data analysis package can be used in conjunction with it to
present the data in a user friendly environment; however if an
Admin is willing to try out a newer system, a combinational monitoring approach such as WREN or SCNM is the best direction to
proceed.
Being able to monitor and analyze networks is vital in the job of Network Administrators. They must strive to keep the networks
they oversee in good health as to not disrupt productivity within a company and to not disrupt any essential public services. As
summarized throughout this paper several router based and non-router based techniques are available to assist Network
Administrators in the day to day monitoring and analysis of their networks. SNMP, RMON, and Cisco's NetFlow are a few of the
router based techniques that are briefly reviewed. The non-router based techniques that were discussed were Active, Passive, and
Combinational monitoring tools.
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