kvm and non-nat networking

Kevin Fenzi kevin at scrye.com
Wed Sep 17 20:23:31 UTC 2008


On Wed, 17 Sep 2008 16:07:07 -0400
mjc at avtechpulse.com ("Dr. Michael J. Chudobiak") wrote:

> Can somebody point me to the correct method of configuring kvm 
> virtualization so that the guest OS (Windows XP in my case) appears
> as a simple IP address on the host LAN (participating in local subnet 
> broadcasts, etc)?
> 
> I have kvm running now in the default mode, which implements NAT /
> DHCP. It works great, except I have some stupid Windows apps that
> need to communicate with stupid network appliances on the main LAN.
> They need to appear as same-subnet devices to the Windows apps.
> 
> There is a little too much info out there about kvm/qemu networking, 
> most of which is obsolete. Pointers appreciated!

I have been using this recipe here: 
http://www.watzmann.net/blog/index.php/2007/04/27/networking_with_kvm_and_libvirt

Basically make your eth0 a peth0, then make a eth0 bridge and tell
libvirt to use that bridge. 

> 
> - Mike
> 

kevin
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