Bridge the Physical and Virtual Leverage Passthru Network Adapters for KVM

PCI passthrough allows you to use a physical PCI device (graphics card, network card) inside a VM (KVM virtualization only). We want to passthrough an Intel 82598 10 Gb/s Ethernet. NIC (Network Interface Card) to a guest running inside QEMU (with KVM enabled). 1 ... The default virtual network configuration is known as Usermode Networking. NAT is performed on traffic through the host interface to the outside ... Here's the short story: use the KVM virtual network pool of SR-IOV adapters method. It has the same performance as the VF PCI* passthrough ... Note that a single network device can only be passed through to a single guest, as a network device cannot be shared between guests in passthrough mode. ... When a guest interface is being constructed, libvirt will pick an interface from this list to use ... the virtual network device that is provided to the guest (e.g. a PCI network card). the network backend that interacts with the emulated NIC ( ... TAP interface acts like a virtual ethernet cable, connecting virtual switch (bridge interface) with virtual network card in a VM. VM network. Otherwise a KVM switch (or a USB switch) might be a good/simple option. The graphics card you're passing through should NOT be the card ... ... passthrough enabled. I'd like the KVM guests to ... # The loopback network interface auto lo iface lo inet loopback # The primary network ...