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include::../attributes.adoc[]
= randpktdump(1)
:doctype: manpage
:stylesheet: ws.css
:linkcss:
:copycss: {css_dir}/{stylesheet}
== NAME
randpktdump - Provide an interface to generate random captures using randpkt
== SYNOPSIS
[manarg]
*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 generator (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 specified 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
xref:wireshark.html[wireshark](1), xref:tshark.html[tshark](1), xref:dumpcap.html[dumpcap](1), xref:extcap.html[extcap](4), xref:randpkt.html[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
[%hardbreaks]
Dario Lombardo <lomato[AT]gmail.com>
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