Network System Integration Design And Sniffer Application Of Erdos City News Center

In recent years, the network system integration platform becomes more and more complicated and the availability of network system integration is increasingly outstanding. The news center collects, processes, releases much information every day and much information need to be exchanged in each department or system, which lead to the Integrated of original separation system. Integrated digital network is an urgent need solution for the news center.In this thesis, basiced on network integration solution application of erdos city news center, through analyzing the business network situation, it devised the network structure including business internal network, official external network and party and government private network. Three networks used two-layer flat design,which is simple network level and strong stability. Business internal network used star frame which through the dual-core switch, link backup,ACL to meet the demand of network. Official external network need connect to internet,and the linkage of safety equipment at the exit was studied in this paper. Party and government network used Gigabit core, and the access device by using security certification, port MAC binding strategy to ensure the network security.In addition, according to frequent fault of operation for the official net, through sniffer software to obtain network traffic, analyz the business network situation to find the reason for the failure which had successfully solved DOS attack, firewall warning and denial of service failure in this thesis.