ManageEngine OpManager is a complete, end-to-end Network & IT infrastructure monitoring platform that offers advanced fault and performance management across WAN, VoIP services, network devices, servers, applications, databases and other IT infrastructure such as printers, UPS etc.. OpManager provides a single, comprehensive monitoring console for your entire network and IT infrastructure. With OpManager's continuous and proactive monitoring over entire IT, any outages or performance degradations are immediately identified and notified for quick remedial actions to be taken. By aligning IT infrastructure with the business services that they enable, OpManager further aids in mapping issues to their business impact and promising, maintaining and proving service levels - much before you take the gripe from your users/bosses!

Features
• Router Monitoring
• Switch Monitoring
• WAN monitoring with Cisco IP SLA
• Netflow Monitoring
• VoIP Monitoring
• Network Configuration Management
• Server Management
• VMWare ESX Server Monitoring
• Active Directory Monitoring
• MS Exchange Monitoring
• MS SQL Monitoring
• Application Monitoring
• Fault and Performance Management

Home Page - http://www.manageengine.com/products/opmanager/network-performance-management.html