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Peter Lithner plithner at yahoo.comBut even if I capture with "-i any" i see only 4 GTP packets: The ECHO Req/Resp and the PDP-C create Req/Resp. The are no GTP encapsulated ICMP/payload messages. I have attached a cap with an example of this. Also, like I mentioned, nothing happens if I pause the ggsn with ctrl-z. The ping should have been interrupted by this, I think... Not sure what to make of this. It seems I can't get GTP-U to work at all. -------------- next part -------------- A non-text attachment was scrubbed... Name: gtp4.pcap Type: application/octet-stream Size: 115436 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/osmocom-net-gprs/attachments/20161006/50166ba9/attachment.obj>