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RANDPKTDUMP(1)							  RANDPKTDUMP(1)

NAME
     randpktdump  -  Provide  an  interface  to  generate  random captures using
     randpkt

SYNOPSIS
     randpktdump  [  --help  ]	 [   --version	 ]   [	 --extcap-interfaces   ]
     [	--extcap-dlts  ]  [ --extcap-interface=<interface> ] [ --extcap-config ]
     [ --capture ] [ --fifo=<path to file or  pipe>  ]	[  --maxbytes=<bytes>  ]
     [	 --count=<num>	 ]  [  --delay=<ms>  ]	[  --random-type=<true|false>  ]
     [ --all-random=<true|false> ] [ --type=<packet type> ]

DESCRIPTION
     randpktdump is a extcap tool that provides access to the random packet gen-
     erator (randpkt). It is mainly used for testing and educational purpose.

OPTIONS
     --help
	 Print program arguments.

     --version
	 Print program version.

     --extcap-interfaces
	 List available interfaces.

     --extcap-interface=<interface>
	 Use specified interfaces.

     --extcap-dlts
	 List DLTs of specified interface.

     --extcap-config
	 List configuration options of specified interface.

     --capture
	 Start capturing from specified interface save saved it in place  speci-
	 fied by --fifo.

     --fifo=<path to file or pipe>
	 Save captured packet to file or send it through pipe.

     --maxbytes=<bytes>
	 Set the max number of bytes per packet.

     --count=<num>
	 Number of packets to generate (-1 for infinite).

     --delay=<ms>
	 Wait a number of milliseconds after writing each packet.

     --random-type
	 Choose a random packet type for all packets if set to true.

     --all-random
	 Choose a different random packet type for each packet if set to true.

     --type=<packet type>
	 Use  the  selected  packet type. To list all the available packet type,
	 run randpktdump --help.

EXAMPLES
     To see program arguments:

	 randpktdump --help

     To see program version:

	 randpktdump --version

     To see interfaces:

	 randpktdump --extcap-interfaces

     Example output

	 interface {value=randpkt}{display=Random packet generator}

     To see interface DLTs:

	 randpktdump --extcap-interface=randpkt --extcap-dlts

     Example output

	 dlt {number=1}{name=randpkt}{display=Ethernet}

     To see interface configuration options:

	 randpktdump --extcap-interface=randpkt --extcap-config

     Example output

	 arg {number=0}{call=--maxbytes}{display=Max bytes in a packet}{type=unsigned}{range=1,5000}{default=5000}{tooltip=The max number of bytes in a packet}
	 arg {number=1}{call=--count}{display=Number of packets}{type=long}{default=1000}{tooltip=Number of packets to generate (-1 for infinite)}
	 arg {number=2}{call=--delay}{display=Packet delay (ms)}{type=long}{default=0}{tooltip=Milliseconds to wait after writing each packet}
	 arg {number=3}{call=--random-type}{display=Random type}{type=boolflag}{default=false}{tooltip=The packets type is randomly chosen}
	 arg {number=4}{call=--all-random}{display=All random packets}{type=boolflag}{default=false}{tooltip=Packet type for each packet is randomly chosen}
	 arg {number=5}{call=--type}{display=Type of packet}{type=selector}{tooltip=Type of packet to generate}
	 value {arg=5}{value=arp}{display=Address Resolution Protocol}
	 [...]
	 value {arg=5}{value=usb-linux}{display=Universal Serial Bus with Linux specific header}

     To capture:

	 randpktdump --extcap-interface=randpkt --fifo=/tmp/randpkt.pcapng --capture

	 Note

	 To stop capturing CTRL+C/kill/terminate the application.

SEE ALSO
     wireshark(1), tshark(1), dumpcap(1), extcap(4), randpkt(1)

NOTES
     randpktdump is part of the Wireshark distribution. The  latest  version  of
     Wireshark can be found at https://www.wireshark.org.

     HTML versions of the Wireshark project man pages are available at
     https://www.wireshark.org/docs/man-pages.

AUTHORS
     Original Author
     Dario Lombardo <lomato[AT]gmail.com>

				   2026-05-19			  RANDPKTDUMP(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=randpktdump&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

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