PCs executing protocol analyzers like Wireshark lack power capacity and traditional taps cannot be moved easily and always depend on another external device because are not self contained. It may also occur that to monitor multiple network channel or VLAN simultaneously and aggregate the data to your network analysis cannot be possible because of the complexity of the set up and execution process. Mirror ports may not provide 100% of network traffic if they are over-subscribed because this process works in background in low priority moreover it may not even be available for use when necessary. Any Wireshark user requiring GbE performance.Lawful filter: 64 byte pattern match at any place in the frame payload.Agnostics filters defined by 16 bits masks and user defined offset.Protocol encapsulated in the IP packet (TCP, UDP, Telnet, FTP, etc.).IP address group: subset of addresses filtered by masks.
Important features are: live packet data capture, display packets with very detailed protocol information, open/save data, import/export from/to other programs. Wireshark is a network packet analyzer to examine communication network. Packets are transmitted through two ports and traffic compliant with one of the filters is sent to Wireshark. Net.Shark is a FPGA based Tap with filtering capabilities, that connected in pass-through mode, is able to capture traffic at wire-speed.
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