[CentOS-virt] xen dom0/domU network speed

Nicolas Sahlqvist nicco77 at gmail.com
Fri Nov 23 13:10:13 UTC 2007

I have not had the opportunity to test, but it sounds like expected
behavior due how I/O is handled within Xen. It's a know fact that disc
I/O is slow so I would expect the same for network I/O.

- Nicolas

On Nov 23, 2007 2:02 PM, David Kostal <david.kostal at gmail.com> wrote:
> Hi all,
> I have problem reaching 1Gbps network speed with dom0 / domU
> (paravirtualized) on my centos5 installations.
> The fastest speed I measured in domU was about 800/600
> receive/transmit  Mbps, dom0 being a bit slower. I'm using bridging
> (eeither with default xen/centos network-bridge script or with my own
> scripts assigning vlans to bridges).
> Is anyone experiencing same network slowdown?
> Or could it be just some configuration issue on my side?
> Thanks,
> david.kostal at gmail.com
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