1RANDPKTDUMP(1) RANDPKTDUMP(1)
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6 randpktdump - Provide an interface to generate random captures using
7 randpkt
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10 randpktdump [ --help ] [ --version ] [ --extcap-interfaces ]
11 [ --extcap-dlts ] [ --extcap-interface=<interface> ]
12 [ --extcap-config ] [ --capture ] [ --fifo=<path to file or pipe> ]
13 [ --maxbytes=<bytes> ] [ --count=<num> ] [ --delay=<ms> ]
14 [ --random-type=<true|false> ] [ --all-random=<true|false> ]
15 [ --type=<packet type> ]
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18 randpktdump is a extcap tool that provides access to the random packet
19 generator (randpkt). It is mainly used for testing and educational
20 purpose.
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23 --help
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25 Print program arguments.
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27 --version
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29 Print program version.
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31 --extcap-interfaces
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33 List available interfaces.
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35 --extcap-interface=<interface>
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37 Use specified interfaces.
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39 --extcap-dlts
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41 List DLTs of specified interface.
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43 --extcap-config
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45 List configuration options of specified interface.
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47 --capture
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49 Start capturing from specified interface save saved it in place
50 specified by --fifo.
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52 --fifo=<path to file or pipe>
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54 Save captured packet to file or send it through pipe.
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56 --maxbytes=<bytes>
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58 Set the max number of bytes per packet.
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60 --count=<num>
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62 Number of packets to generate (-1 for infinite).
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64 --delay=<ms>
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66 Wait a number of milliseconds after writing each packet.
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68 --random-type
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70 Choose a random packet type for all packets if set to true.
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72 --all-random
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74 Choose a different random packet type for each packet if set to
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77 --type=<packet type>
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79 Use the selected packet type. To list all the available packet
80 type, run randpktdump --help.
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83 To see program arguments:
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85 randpktdump --help
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87 To see program version:
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89 randpktdump --version
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91 To see interfaces:
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93 randpktdump --extcap-interfaces
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95 Example output
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97 interface {value=randpkt}{display=Random packet generator}
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99 To see interface DLTs:
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101 randpktdump --extcap-interface=randpkt --extcap-dlts
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103 Example output
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105 dlt {number=1}{name=randpkt}{display=Ethernet}
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107 To see interface configuration options:
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109 randpktdump --extcap-interface=randpkt --extcap-config
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111 Example output
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113 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}
114 arg {number=1}{call=--count}{display=Number of packets}{type=long}{default=1000}{tooltip=Number of packets to generate (-1 for infinite)}
115 arg {number=2}{call=--delay}{display=Packet delay (ms)}{type=long}{default=0}{tooltip=Milliseconds to wait after writing each packet}
116 arg {number=3}{call=--random-type}{display=Random type}{type=boolflag}{default=false}{tooltip=The packets type is randomly chosen}
117 arg {number=4}{call=--all-random}{display=All random packets}{type=boolflag}{default=false}{tooltip=Packet type for each packet is randomly chosen}
118 arg {number=5}{call=--type}{display=Type of packet}{type=selector}{tooltip=Type of packet to generate}
119 value {arg=5}{value=arp}{display=Address Resolution Protocol}
120 [...]
121 value {arg=5}{value=usb-linux}{display=Universal Serial Bus with Linux specific header}
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123 To capture:
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125 randpktdump --extcap-interface=randpkt --fifo=/tmp/randpkt.pcapng --capture
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127 Note
128 To stop capturing CTRL+C/kill/terminate application.
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131 wireshark(1), tshark(1), dumpcap(1), extcap(4), randpkt(1)
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134 randpktdump is part of the Wireshark distribution. The latest version
135 of Wireshark can be found at https://www.wireshark.org.
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137 HTML versions of the Wireshark project man pages are available at
138 https://www.wireshark.org/docs/man-pages.
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141 Original Author
142 Dario Lombardo <lomato[AT]gmail.com>
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146 2022-02-16 RANDPKTDUMP(1)