Hmm.
I tried also windump, and it reports Cannot determine the network type.
I posted my question and your suggestions to the address you told me.
thx!
If you want be informed about the next steps I could send you a copy of the
mails.
> > Hello,
> >
> > I have a Interphase 5575 ATM adapter. But if I try to setup my capturing
> > device to the ATM adapter ethereal stops with:
> > The capture session could not be initiated (Cannot determine the network
> > type). Please check that you have the proper interface specified.
> >
> > Note that the driver Ethereal uses for packet capture on Windows doesn�t
> > support capturing on PPP/WAN interfaces in Windows NT/2000."
> >
> > Any Ideas?
>
> The error in question probably comes from the WinPcap library/driver;
> try capturing on the same device with WinDump - if you get an error
> message with "Cannot determine the network type" in it, it's a WinDump
> problem.
>
> I don't have the WinPcap source handy (it's at home, not at work, and
> I'm at work right now), but it may be that, the WinPcap FAQ
> nonwithstanding, it doesn't handle all ATM devices.
>
> I would suggest reporting this problem to the WinPcap developers, by
> sending a message to winpcap@xxxxxxxxxxxxxxxxxxxxxxx.
>
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