Den tors 20 juni 2019 kl 16:39 skrev Roger Pau Monné <roger....@citrix.com>:
> > Do you see the same issues with external connections? Have you tested > throughput between two FreeBSD 12.0 VM running on different hosts? > > I've tested 12.0-RELEASE between two hosts (XCP-ng 7.6.0 and Citrix CXenserver 7.2.0) over Gbit link, and iperf results is about 600Mbit/s back and forth. I also tested 12.0-RELEASE on same XCP-ng host, but changed the network from Private Network to the Internal Network (that's connected to a PIF). That increased speed slightly, but It's still below 100mbit back and forth. > > > Hm, OK that's weird, I don't think however it's related to Xen. Have > you tried if the same happens on a bare-metal install of FreeBSD? > > Or when running on a different hypervisor? > > I have not. I only have XCP-ng 7.6.0 and Citrix XenServer 7.x to play with currently. I have no server at this moment to test a bare metal install on, but if you believe this is an important test I could perhaps find a machine to try it on. Please let me know if I should proceed with this. > > > > > Any ideas of how to proceed now to find a solution for this? > > Maybe you can try to run wireshark/tcpdump or some other similar > software in order to try to detect if there are errors on the > transmitted packets? > > You could run the sniffer on the host and attach it to the backend > interfaces (vifX.X) or the bridge if you are using bridged > networking. > > The 12.0 <-> 12.0 case seems quite bad, so I would start with that > one. > > Roger. > I have now run tshark (wireshark) to capture traffic between 12.0 <-> 12.0 on the private network (running tshark on freebsd). I'm really not qualified to interpret the output, so I'll link to the capture-output here: capture-output.pcap: https://drive.google.com/open?id=1zU6qhZO7OOKfLRugXJovYIQuFCLrouH6 (218MB) output.txt (tshark -r capture-output.pcap > output.txt): https://drive.google.com/open?id=1ORJy_jhDyAIgmw1WnXBsPQSlIxqEzVrF (34MB) I'm not really sure how to run it on XCP-ng, or is there perhaps another tool I can use for that other than tshark? Thanks, Christian _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
