Re: Very slow network performance with KVM using virtio and tap.

2011-04-13 Thread Robert Goley
Thanks for the links.  I followed the first one when I set these up initially.  I never got virt-install to work right.  I create the xml file and the disk image manually.  I then just use virsh for define, start and stop.  My problem is the network performance is the sa

Re: Very slow network performance with KVM using virtio and tap.

2011-04-12 Thread Pablo Sánchez
Robert, following http://www.howtoforge.com/virtualization-with-kvm-on-a-debian-squeeze-server i reach to the conclusion that using kvm network config is "troublesome". I ended using "--network=bridge:br0 " on startup the vm, with qemu . Anyway, from another squeeze

Very slow network performance with KVM using virtio and tap.

2011-04-12 Thread Robert Goley
I have tried a KVM setup 2 different ways.  The first was using a straight bridge without using tap at all.  The WinXP VM is using the latest known version of the virtio drivers.  The bridge is on a gigabit nic.  The second setup was using a bridge containing a tap