NetCrunch

An all-in-one and agentless network monitoring and management system, capable of monitoring every device in your network. Monitor bandwidth, availability, performance, services and traffic flow. Automatically generate maps and dependencies. Supports leading OS types: Windows, Linux, Mac OS X, VMWare ESX/ESXi, and BSD. Advanced layer-2 mapping. Automatic alert correlation. Baseline thresholds and range triggers. Over 7000 MIBs and a MIB compiler