Solution for integration of the computer network management and data pre-processing with SCADA using OPC interface or Web Services It has next features: - implemented OPC specifications:OPC DA 3.0, 2.05,1.0, OPC XML DA, OPC Alarms and Events Version 1.1 and 1.0 - implemented protocols: SNMPv2c, SNMPv1 - using SNMP commands GET, SET and traps - using ping to manage devices without running SNMP agent and displaying of round trip time as one OPC variable - tags in address space of the OPC server are defined using MIB object identifier (Object ID), for example .1.3.6.1.4.1.2681.1.2.102; defined Object ID's can be validated by input in OPC configurator - the possibility to manage max. 10 devices with running SNMP agent - implementation of MIB Browser, which scans SNMP manageable device for its SNMP variables corresponding to MIB objects, but browsed items can not be added to the OPC address space - IP Scanner, which is used for scanning computer network communities in defined IP area Installation package contains: - SNMP OPC Server configurator - runtime of SNMP OPC Server implemented as out of process server (exe file) - OPC XML-DA wrapper - examples of source codes for OPC test clients written in VB6, VB.NET and C#.NET for communication with SNMP OPC server using OPC DA3 interface or Web Services