On 04/08/2014 06:38 PM, Dennis Jacobfeuerborn wrote: > Hi, > I'm currently investigating a problem with our windows 2008r2 guest on > centos 6 hosts. The issue is that the windows system sometimes sees a > SYN packet for a tcp connection but doesn't respond. Three seconds later > the retransmitted packet arrives and this time windows decides to > proceed normally with the connection. > This is with the virtio drivers but I have now switched to the e1000 > driver where the problem also occurs but not quite as badly as with > virtio which leads me to speculate that the driver isn't really the > problem but only affects whatever the real issue is. > Also this does not happen when the systems primary IP is addressed > directly but only when an IP on the loopback device is addressed through > a load-balancer. > I've also provisioned a linux guest on the same host and put that into > the load balancer as well but there everything is fine. > > Has anyone run into this and can provide a pointer in the right direction? > > Regards, > Dennis > Hi, I observed simular issue but was unable to resolve it until migration of the entire network to OpenFlow, so it was caused by some quirk in the bridge topology as I think. You may ask in the kvm/qemu list but I suppose nobody will give a right answer for Centos version because it cannot relate to any of generic qemu releases. > _______________________________________________ > libvirt-users mailing list > libvirt-users@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/libvirt-users _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
