Messages in this thread |  | | | Date | Tue, 7 Jan 1997 11:07:31 +0100 | | From | (Clemens Huebner - Sun Germany Technical Solution Center - Munich) | | Subject | Re: peeking with tokenring on linux laptop |
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> From owner-linux-kernel-outgoing@vger.rutgers.edu Tue Jan 7 10:45 MET 1997 > From: Keith Owens <kaos@ocs.com.au> > To: "Marty Leisner" <leisner@sdsp.mc.xerox.com> > Cc: tcpdump@ee.lbl.gov, linux-kernel@vger.rutgers.edu, linux-laptop@vger.rutgers.edu > Subject: Re: peeking with tokenring on linux laptop > Mime-Version: 1.0 > Date: Sat, 04 Jan 1997 16:47:20 +1100 > > On Fri, 3 Jan 1997 14:28:48 PST, > "Marty Leisner" <leisner@sdsp.mc.xerox.com> wrote: > >I want to use tcpdump to peek at a token ring network (running > >primarily netbeui and ipx) with linux 2.0.27 on a laptop... > > > >Ethernet works fine, I'm not sure I under what Link encap: UNSPEC > >means on tr0... > > > >How do I read tr0 on tcpdump? > > AFAIK, tcpdump does not support token ring. You will have to hack > libpcap and tcpdump to add the support, recommend you start with the > latest versions from ftp://ftp.ee.lbl.gov, they now officially support > Linux. I hacked previous version of tcpdump (3.0.2) to add support for > PLIP, patches mailed to Marty as an example of what needs to be > changed. > > It shouldn't be too hard, given that FDDI uses the same frame format as token ring
Clemens
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