Always have been the requirements among the network administrator (especially large networks) that different parts of the network, including switches, printers, servers, routers and ... can be monitor in the least possible time. One of the key factors in improving service quality measurement in data center and computer networks, is continuous monitoring of all infrastructure components. Thus, the occurrence of any problem in the network will inform the necessary steps in order to solve the problems . Among the expectations that managers have from a monitoring system includes: - The system is web-based and should be available 24 hours a day. - The system should have the ability of notification when network configuration changes in real time. - The system must provide a detailed view into the data network equipment. - The system must be capable of remote network equipment configuration, the load and run the script through a web interface. - The system must have the ability to search the network configurations. -The system must have the capability to support Cisco products. -The system should have the integration capability with the error management system and performance management system. Monitoring System of Dadeh Pardazan Douran Company named Douran NOC is provided as an appliance can play a major role in removing the problems of network administrators. Douran NOC is a kind of software that monitors the network parameters and is responsible for the accuracy of servers. This system uses a flexible announcing mechanism so that allows users that all events occurring in the system in the form of alerts via email, SMS therefore the fastest response to the problems will receive. Providing the accurate and understandable statistics by the users is the other functional features of this system. The system includes all the components on the network, servers, services, bandwidth, software and network equipment to provide 24-hour monitoring and the detection of any abnormality (disablement) or low quality, with a variety of warning, network administrators or managers of the issue makes the news. Reports of the monitoring system gives a clear picture of the existing services quality.