Orion NPM has a flexible licensing model and is licensed by the highest number of the following elements:
Nodes
Interfaces
Volumes
An interface element is some type of primary point of contact with the network. Switch ports, Serial Ports, VLANs, Port Channels, and both physical and virtual network interface cards (NICs) are all classified as interfaces.
A node is a physical or virtual network device that can be managed. Switches, routers, physical servers, virtual servers, virtual server hosts (VMware, Xen, and so on), firewalls, wireless access points, wireless controllers, and other types of physical network devices are all classified as node elements in Orion NPM. For example, one wireless access point monitored by SNMP would be classified as a node. A Windows Server monitored by WMI would be a node as well. In general, a node element has more than just an interface or volume. A node may have a fan, CPU, memory, power supplies, and other resources. In general, if a network...