RMON 9-13AlarmsThe Alarms group provides a versatile, general mechanism for settingthreshold and sampling intervals to generate events on any MIBvariable. Alarms inform you of a network performance problem andthey can trigger automated action responses through the Events group.EventsEffective use of the Events group saves you time. Rather than having towatch real-time graphs for important occurrences, you can depend onthe Event group for notification. Through the SNMP traps, events cantrigger other actions, providing a mechanism for an automatedresponse to certain occurrences.Benefits of RMON Using the RMON features of your Switch has the following three mainadvantages:n It improves network monitoring efficiency.n It allows you to manage the network in a more proactive manner.n It reduces the load on the network and the managementworkstation.Improving EfficiencyUsing RMON probes allows you to remain at one workstation andcollect information from widely dispersed LAN segments or VLANs.This means that the time taken to reach a problem site, set upequipment, and begin collecting information is largely eliminated.Allowing Proactive ManagementIf they are configured correctly, RMON probes deliver informationbefore problems occur. This means that you can take action beforeproblems impact users. In addition, probes record the behavior of yournetwork, so that you can analyze the causes of problems.Reducing the Traffic LoadTraditional network management involves a management workstationpolling network devices at regular intervals to gather statistics andidentify problems or trends. As network sizes grow and traffic levelsincrease, this approach places a strain on the managementworkstation and also generates large amounts of traffic.
