Ethereal-dev: Re: [Ethereal-dev] Sniffer decodes

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Tue, 16 Jan 2001 12:42:31 -0800 (PST)
> The way that I determine if a Sniffer capture is Frame Relay is wrong. 
> 
> I have been looking at some Sniffer traces and the fifth byte of header
> record type 7 appears to contain the capture type for the file.
> 
> I have determined the following values 
> 
> 	00 = SDLC
> 	01 = HDLC
> 	02 = Frame Relay
> 	03 = Router
> 	04 = PPP
> 	05 = SMDS (Switched Multimegabit Data Service)

I'd infer from the above that you have captures of all those types; is
that the case, or did some of that information come from Sniffer manuals
(i.e., do they actually document - in, say, the manual for an
"Internetwork analyzer" - the contents of record type 7)?