On Tue January 12 2010, Aaron Clausen wrote: > I'm looking at moving from the router I'm running currently (a Linux > box) and moving it into a KVM guest. What are the recommendations for > the networking of the external interface? Should I just pass the NIC > card through via PCI passthrough or is there a recommended way? >
If your board dosn't have VT-d or AMD IOMMU, you can't use passthrough afaik. Or at the very least, you don't want to. I'm not sure if modern nics will even run without DMA. If you're stuck without passthrough, you'll have to do what I did, and setup some bridges under the host, and use bridged tun/tap networking with the guests. Performance is decent, but I've found my firewall guest will peg its cpu if my WAN load is too high, of course my firewall is running pfSense, and has to stick with an emulated nic, so that's probably why the cpu load is so high. -- Thomas Fjellstrom [email protected] -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
