But how does PCAP analysis work, once a PCAP file is created? In other words, PCAP is the standard file used to capture network traffic for network performance analysis.Ĭreating and analyzing a PCAP file is a basic component of your network analysis software. Even though PCAP has unique formats based on its operating system, the purpose and function of PCAP analysis remain the same across platforms. PCAP is the intermediary API used to obtain and record packet data, which can then be reported to a more user-friendly PCAP analysis tool. If you’re looking to perform network packet analysis, chances are the software you’re using creates PCAP files. PCAP files are especially helpful because they can record multilayer traffic data, capturing packets originating from the data link layer all the way to the application layer. PCAP (short for Packet Capture) is the name of the API commonly used to record packet metrics.
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