(Kelai network analysis system is a comprehensive network analysis system integrating packet collection, decoding, protocol analysis, statistics, log charts and other functions. It can help network administrators monitor the network, locate network faults, and troubleshoot security risks within the network. Kelai network analysis system can carry out full real-time collection, analysis and statistical processing, and can reflect the network communication status in real time without any post-processing. The powerful packet decoding function of the Kelai network analysis system can make the most cunning network attacks and deceptions become invisible; The advanced analysis module designed for common network protocols provides users with more practical network usage data records; Both network communication protocol and network endpoint can provide detailed data statistics; The original protocol and endpoint browsing view structure can help users quickly locate the required data; Rich chart functions provide users with intuitive information. Whether it is the diagnosis of local LAN or the monitoring of large-scale network, Kelai network analysis system is an indispensable network management tool. With such tools, the enterprise network can complete the following types of work: 1) network traffic analysis 2) network communication monitoring 3) network error and fault diagnosis 4) network security analysis 5) network performance detection 6) network protocol analysis the configuration of network analysis tools can essentially detect network problems, coordinate and support the use of various network management tools, and maximize the improvement of network management.)