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Wireshark is a data capturing program that "understands" the structure (encapsulation) of different networking protocols. It can parse and display the fields, along with their meanings as specified by different networking protocols. Wireshark uses pcap to capture packets, so it can only capture packets on the types of networks that pcap supports.
Tcpreplay is the most common program for this task since it is capable of taking a stored packet stream in the pcap format and sending those packets at the original rate or a user-defined rate. Scapy also supports send functions to replay any saved packets/pcap. Ostinato added support for pcap files in version 0.4. [4]
Free and open-source software portal; Scapy is a packet manipulation tool for computer networks, [3] [4] originally written in Python by Philippe Biondi. It can forge or decode packets, send them on the wire, capture them, and match requests and replies.
However, the concept behind PCAP-over-IP was mentioned already in 2008 as part of a feature request for Wireshark. [3] The need for this feature was motivated as follows: "This feature is useful when the capture is generated on a machine which does not have much storage (e.g. embedded system).
Packet Sender is an open source utility to allow sending and receiving TCP and UDP packets. It also supports TCP connections using SSL, intense traffic generation, HTTP(S) GET/POST requests, and panel generation.
A packet generator or packet builder is a type of software that generates random packets or allows the user to construct detailed custom packets. Depending on the network medium and operating system, packet generators utilize raw sockets , NDIS function calls, or direct access to the network adapter kernel-mode driver .
tcpdump is a data-network packet analyzer computer program that runs under a command line interface.It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached. [3]
STP article in the Wireshark wiki Includes a sample PCAP-file of captured STP traffic. Perlman, Radia. "Algorhyme". University of California at Berkeley. Archived from the original on 2011-07-19. IEEE Standards ANSI/IEEE 802.1D-2004 standard, section 17 discusses RSTP (Regular STP is no longer a part of this standard. This is pointed out in ...