On Fri, Oct 08, 1999 at 12:41:00AM +0200, Kai Henningsen wrote:
> It seems (correct me if I'm wrong) that there is no really "good" version
> of tcpdump/libpcap that can deal with ISDN. There are various patches to
> the [03].4a6 version floating around (though [03].4 final has been around
> for quite some time), most of them trying to guess packet type by looking
> at device names.
I'm not an ISDN bod but I'll probably have some patches related to PPP stuff
that I'll want to feed into tcpdump and libpcap -- are there active
maintainers for those packages?
> Now, I gather that under 2.2, it's quite possible to find out exactly what
> type of packet one has. However, I seem to have trouble finding any docs
> on this.
I don't know about ISDN, but I'm assuming you use PPP over it. When the
packets hit pcap / tcpdump, do they have ISDN link info still on them or is
it a raw PPP packet? What does the "Link encap" field of ifconfig output
show for the device?
--
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