Most packet sniffers today are software-based, although hardware packet sniffers are also used. One example of packet sniffer software is tcpdump. Tcpdump is a freenetwork packet analyzerfor specific interfaces. Tcpdump, which runs under acommand-line interface, enables users to displayTCP/IPand ...
but there are a few drawbacks with this approach. One drawback is that tcpreplay requires root privileges in order to replay packets to an interface. Another drawback is that extra complexity is added to the solution and two additional