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A packet analyzer is a computer application used to track, intercept and log network traffic that passes over a digital network. It analyzes network traffic and generates a customized report to assist organizations in managing their networks. Packet analyzers also may be used by hackers to intrude on networks and steal information from network transmissions.
A packet analyzer is also known as a sniffer, network analyzer or protocol analyzer.
A network manager must be vigilant to analyze and protect network traffic from threats and low performance. Managers should troubleshoot the network often to ensure that it provides an efficient and fast network traffic environment.
A packet analyzer shows the complete status of all network activities by providing a complete picture of bandwidth and resources utilization. If a resource is using too much bandwidth, the network manager can release the resource by interrupting the process. However, newly deployed applications and network nodes may have some configuration and working issues, but these can be solved within seconds using the packet analyzer. Every action of a packet analyzer is performed in real time.
The key functions and uses of packet analyzers include: