Ipswitch WhatsUp Gold's a layer 2/3 discovery results in a detailed interactive map of your entire networked infrastructure. One affordable license lets you monitor any mix of networks, wireless controllers, servers, virtual machines, applications, traffic flows and configurations across Windows, LAMP and Java environments. It Manage networks, traffic, physical servers, VMs and applications with easy-to-use and customizable maps, dashboards and alerts. WhatsUp Gold streamlines workflows by letting you initiate management tasks directly from the interactive map. Additional Features include: Application Monitoring, Network Traffic Analysis, Configuration Management, Discovery & Network Monitoring, Cloud Monitoring, Virtual Environment Monitoring, Distributed Monitoring and Failover Manager.
Pricing is reasonable compared to other products.
I'm not sure, but it's expensive. We don't pay any additional fees.