tcpspray6(1) on Linux
The text 300f589182da, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
TCP/IP bandwidth measurement tool (Discard and Echo client)
Flags it lists
-
--bsize -
--count -
--delay -
--echo -
--fill -
--help -
--ipv4 -
--ipv6 -
--verbose -
--version -
-4 -
-6 -
-V -
-b -
-d -
-e -
-f -
-h -
-n -
-v