Max Ethernet

https://xakep.ru/2013/10/10/61406/

https://xakep.ru/2013/09/16/61262/

https://blog.erratasec.com/2013/10/whats-max-speed-on-ethernet.html#.UlbwuNK8Dp8

https://forum.ixbt.com/topic.cgi?id=14:025676

http://web.archive.org/web/20020506032927/http://rtf.ustu.ru/ait/uch/nets/head3.htm

http://citforum.ru/nets/edu.shtml