Ethereal-users: Re: [Ethereal-users] (no subject)

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From: Guy Harris <gharris@xxxxxxxxxxxx>
Date: Tue, 3 Apr 2001 23:18:10 -0700
On Wed, Apr 04, 2001 at 11:00:28AM +0530, umesh@xxxxxxxxxxxxx wrote:
>    I have stared using ethereal recently. I am testing LAPD protocol
> and the LAPD over T1 card. How do I capture LAPD data using ethereal
> in this scenario.

That depends on the OS you're using, whether that OS supports capturing
D-channel traffic using the standard mechanism used by libpcap on that
OS, and whether libpcap can handle that.

If you can't use libpcap to capture LAPD traffic, Ethereal can't capture
it - you'll have to find some other way to capture the LAPD traffic,
and, if that other way doesn't put it in a form Ethereal can read,
convert it to such a format.  (The only formats for LAPD traffic
Ethereal can currently read are Network Associates Sniffer (the
DOS-based sniffer) and the files produced by the "i4btrace" program on
various BSDs.)