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Network Scan is security functionality, which allows users to input an address range for a given location. VSM then scans that address range with a specified port range, and shows shows a summary of all equipment, current open ports, highlighting the unsecure ports, and whether or not that equipment is under management by VSM, and if not giving . If not under management there is the option of adding it.
Access it via Security Manager.
To configure, click 'Add Address Range' and complete the form.