Protocol Analyzer monitors exactly what is happening on Network & observes what other users are doing. It is easy to use tool to capture the traffic on the Subnet & display real time statistics while capturing packets.Protocol analyzers should provide three main sources of information about your LAN in addition; various protocols including TCP/IP are used in conjunction with networks. In order to detect protocol misbehaviors and failures in networks, it is required to analyze these protocols and inspect interactions among them.