Looking through old bug tickets ... have you already tried to use vhost-
net? That should be one of the fastest ways of networking with QEMU as
far as I know...
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1441443
Title:
Is there a way to create a 10G network interface for VMs in KVM2.0?
Status in QEMU:
Incomplete
Bug description:
We have installed & configured the KVM 2.0 (qemu-kvm 2.0.0+dfsg-
2ubuntu1.10) on Ubuntu 14.04. The physical server is connected to 10G
network, KVM is configured in Bridged mode But the issue is, when we
create Network interface on VMs, we have only 1G device as an options
for vmhosts. Is this the limit of the KVM or is there a way to create
a 10G network interface for VMs? Available device models
E1000
Ne2k_pci
Pcnet
Rtl8139
virtio
Please find the network configuration details
Source device : Host device vnet1 (Bridge ‘br0’)
Device model : virtio
Network configuration in the host /etc/network/interfaces
auto br0
iface br0 inet static
address 10.221.x.10
netmask 255.255.255.0
network 10.221.x.0
broadcast 10.221.x.255
gateway 10.221.x.1
# dns-* options are implemented by the resolvconf package, if
installed
dns-nameservers X.X.X.X
dns-search XXX.NET
bridge_ports em1
bridge_fd 0
bridge_stp off
bridge_maxwait 0
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