On Tuesday 09 June 2009, Fischer, Anna wrote:
> I have tried using virtio and using the emulated QEMU virtual NICs.
> It does not make a difference. It seems as if there is an overflow somewhere
> when QEMU/virtio cannot cope with the network load any more, and then the
> virtual interfaces don't seem to transmit anything anymore. It seems to
> mostly work again when I shut down and start up the interfaces of the router
> inside of the guest. I use two bridges (and VLANs) that pass packets between
> sending/receiving guests and the routing guest. The set-up works fine for
> simple ping and other communication that is low-throughput type traffic.
Have you tried eliminating VLAN to simplify the setup?
Does it change when the guests communicate over a -net socket interface
with your router instead of the -net tap + bridge in the host?
Arnd <><
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