NETW 420
OpManager is network monitoring and management software from ManageEngine that allows network managers to monitor their network in real time and it can also take simple corrective action automatically (such as executing a script or restarting a service) when problems are detected, or integrate with ManageEngine’s HelpDesk software to automatically generate trouble tickets.. It is available in two versions, a free version which can monitor a maximum of 10 devices and the full version which can monitor unlimited devices. It is capable of monitoring everything from simple ping response and pages printed on a network printer to SAN cluster heartbeats and UPS battery life. OpManager uses SNMPv1/v2, SNMPv3, WMI or even Telnet/SSH to monitor and manage devices. Initial setup allows for automatic discovery of network devices. You enter credentials to use for SNMP, WMI or Telnet/SSH and scan an IP block or CIDR network for devices (fig. 1). Once devices are discovered (or added manually) then you can add monitors for those devices. Some monitors, such as CPU utilization, memory usage, and free disk space are added automatically depending on the type of device detected; other monitors can be added manually at any time (fig. 2). After adding a monitor you can configure a threshold which, when exceeded, will generate an alarm. Once an alarm is generated it will be displayed on the main page, and can also trigger events such as sending an alert email or executing corrective action (such as restarting a service or deleting temporary files).
Software such as ManageEngine OpManager allows a network administrators to get a clear overall view of their network as any given time. Importantly it also allows managers to identify and track trends in network usage, so they can plan upgrades and expansions before the network becomes insufficient. This is important because management
References: ManagEngine OpManager. [Windows Software]. Pleasanton, CA; Zoho Corporation OpManager User Guide. Retrieved from http://help.opmanager.com/#home