Packet structure

+---------------------------+
|           Header          |
|         (4 Octets)        |
+---------------------------+
|       Ethernet frame,     |
|   including preamble and  |
|  SFD at the beginning and |
|       FCS at the end.     |
.                           .
.                           .
.                           .

Description

The header field contains packet metadata.

The payload is an Ethernet frame, beginning with the preamble and ending with the FCS, for LINKTYPE_NETANALYZER_TRANSPARENT.