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
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