Algorius Net Viewer Manual | Device Monitoring

General Information

Algorius Net Viewer allows to monitor devices in different ways and supports local, centralized and distributed monitoring.

Devices on local maps are scanned by Algorius Net Viewer directly. Devices on maps downloaded from a server are scanned by the server, while the application acts as a client and receives the monitoring results during server synchronization. Thus a centralized monitoring is performed. It is possible to receive monitoring data from multiple servers at once. That is what distributed monitoring is.

During monitoring, the state of the device (active or inactive), the values of various sensors and other information are determined. Active and inactive network map devices are shown with different images, which are determined by the device type. You can configure the application to additionally display the monitoring results. See Notification for more information.

The device tooltip, which appears when the mouse is hovered over a device, shows additional monitoring results, e.g., response time or error code, etc.

It happens that monitoring requests are lost in the network and don’t reach their destination. This usually happens when the network is overloaded. Algorius Net Viewer can automatically recheck devices if they stop responding in order to eliminate false alarms.

One of the Algorius Net Viewer features is that it uses the asynchronous monitoring technology. This technology ensures maximum efficiency and provides the ability to easily scan hundreds of devices simultaneously with minimum load.


Settings for monitoring are set up separately for local maps and for each server. For locally opened maps, local monitoring settings are used. For maps downloaded from a server, the server's monitoring settings are used.

To configure the monitoring parameters, go to app or server options and select Monitoring:

The following parameters are available:

  • Refresh rate — refresh rate profiles configuration. In this section you can specify the frequency for each profile. See Refresh rate settings for more information.
  • Thread count — maximum number of devices scanned at a time — a number of simultaneously sent requests. Other requests will wait in line. This limitation minimizes network load and disperses the monitoring in time, which in turn improves the monitoring accuracy.
  • Sensors — see Sensors for more information.


To pause monitoring all devices on the current map, select MonitoringPause from the main application menu. The corresponding monitoring state will appear in the status bar.

To resume monitoring all devices on the current map, select MonitoringResume from the main application menu. The corresponding monitoring state will appear in the status bar.

To pause/resume monitoring of several maps at once, first select them in the map tree, then select Pause or Resume in the context menu. The paused maps are marked with the corresponding icon in the map tree. Click on the icon to pause/resume monitoring.

Select MonitoringRefresh in the main application menu or press F5 to refresh the monitoring results of the current maps. Moreover, if some devices are selected on the map, only those devices will be updated. This allows you to quickly update the status of the required devices.

For locally opened maps refreshing the monitoring results triggers the devise scanning. For maps downloaded from a server, refreshing the monitoring results triggers server synchronization.

The status bar displays the total number of currently locally scanned devices or those devices that need to be scanned (i.e. number of scan requests being in the queue).

IP and MAC Gathering

Algorius Net Viewer collects IP and MAC addresses of all scanned devices. The application registers each IP address, which is defined when a device is scanned. MAC addresses are defined by regular ARP Table scan.

IP and MAC addresses are shown in device information dialog box.

There is device search by IP and MAC address available as well.

Application saves the MAC address of devices when closing. This feature allows using devices that where turned off for some time with their MAC addresses not included in the ARP table.

IP and MAC addresses can be used as parameters for external commands. This allows, for example, using the WOL (Wake On LAN) utility for turning on the PC by LAN.