If you're using a 2.6.x kernel, you can turn on LLC emulation via proc for the device (It's in the channel howto stuff for 2.6, I can find it later). This lets an unmodified tcpdump (and other sniffing tools) work.
-m On Fri, Aug 20, 2004 at 07:49:16PM +0200, Rob van der Heij wrote: > Tom Shilson wrote: > > >I am on vacation today so I will try tcpdump-qeth on Monday. I am using > >qdio qeth on a guest LAN to an OSA card. I am only interested in traffic > >to and from this vmid. > > > > > > > Good for you! I tend to have time to play with those things only when I > am on vacation. I have been talking to folks in z/VM development about a > (properly secured) way to see more than just your own traffic, but that > will probably wait until someone there has vacation ;-) > So tcpdump will only show you your own traffic, which is what you wanted. > > >I seem to get either everything on the LAN but with an unknown protocol or, > >if I specify an expression like " host <host-name>", I get nothing. > > > > > I just checked that the tcpdump that comes with SuSE SLES8 works > out-of-the-box for qeth. There is no wrapper thing included, so I > believe this was indeed modified to match the missing link header. > > Rob > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
