Ethereal-users: Re: [Ethereal-users] serial data from microgate synclink adapter

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From: Guy Harris <gharris@xxxxxxxxx>
Date: Mon, 22 Mar 2004 21:43:38 -0800
On Mon, Mar 22, 2004 at 06:13:45PM -0600, Jim Harvey wrote:
> I'm assuming Clay is decoding a SONET DCC channel through the OmniBer 
> high speed serial port.

Then he needs to read the packets himself and write them in a format
that Ethereal can interpret appropriately - there's no libpcap format
for ISDN or LAPD (the two are inequivalent - a LAPD capture would be a
capture of only LAPD packets, while an ISDN capture would be D-channel
and B-channel traffic, with each packet having a channel number).

> For What It's Worth, Ethereal has no problem 
> decoding the LAPD under CLNP that comes out the back of a Fujitsu 
> multiplexer on it's 10baseT jack.

How exactly does Ethereal decide to call the LAPD dissector in that
case?  The only place where it's currently called is the ISDN dissector,
which calls it for D-channel traffic.