====== Ethernet ======

===== Example =====

This is a hex dump of a TCP keepalive.

<code>
fc aa 14 30 62 b6 44 d9 e7 ff 53 63 08 00 45 00
00 34 3f 75 40 00 36 06 c4 d6 c3 c9 09 25 c0 a8
b2 e1 56 33 ee 46 d5 3a fe 23 4b 11 33 3f 80 10
01 f5 23 8d 00 00 01 01 08 0a 8e 21 17 ee ab 59
29 30
</code>