OpsRamp supports Agentless monitoring in addition to regular gateway-based monitoring (ICMP, SNMP, and VMware). Agentless monitors use the gateway to monitor the remote resources and to track the health and performance of the network, storage, virtual resources, and Platform as a Service (PaaS) cloud resources.

Prerequisite

The following Ports and Protocols are used for monitoring on the remote resource.

ServicePortProtocol
SSH22TCP
WSMan (WBEM WS-Management)5985TCP

Supported protocols and gateway types

For Agentless custom monitors, the gateway connects to a remote device. The table below describes the possible combinations of supported protocols and gateway types.


Gateway TypeRemote Linux ResourceRemote Windows Resource
DiscoveryMonitoringDiscoveryMonitoring
Classic Gateway (Linux)Possible - SSH-based discoveryRSE - Shell script based monitor is supportedNot possibleNot possible
Classic Gateway (Linux)RSE - Python script based monitor is supported
Classic Gateway (Linux)RSE - PowerShell based monitor is not supported
Windows GatewayPossible - SSH-based discoveryRSE - Shell script based monitor is supportedPossible - WMI-based discoveryRSE - Shell script based monitor is not supported
Windows GatewayRSE - Python script based monitor is supportedRSE - Python script based monitor is supported
Windows GatewayRSE - PowerShell based monitor is not supportedRSE - PowerShell based monitor is supported

After connecting to the remote device, the gateway collects data and displays it as graphs or notifications based on the threshold.