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
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