tcpdump mailing list archives

Re: Request for new pcap/pcapng DLT Format


From: Guy Harris <guy () alum mit edu>
Date: Mon, 20 May 2013 11:33:38 -0700


On May 13, 2013, at 1:04 PM, chris_bontje () selinc com wrote:

Hi, I would like to request a custom DLT type for the Schweitzer 
Engineering Laboratories "RTAC" product.  Information on the 
product/purpose of the DLT is included below:

Do LINKTYPE_RTAC_SERIAL/DLT_RTAC_SERIAL sound like good names?

All Ethernet-based capture files will have a packets with a "Linux Cooked 
Capture" Ethernet-header

That's not an Ethernet header:

        http://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html

Any particular reason not to use LINKTYPE_ETHERNET/DLT_EN10MB, rather than LINKTYPE_LINUX_SLL/DLT_LINUX_SLL, for 
Ethernet captures?
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