Re: [Qemu-devel] Anyone have functioning networking with a FreeBSD host?

[Bartosz Fabianowski]

I am using "normal" networking (that is, not slirp) with FreeBSD as 
host. My guest operating systems are various versions of Windows and 
none of them have any problems with networking whatsoever. Here's my 
configuration. Maybe it can help you to fix your installation:

* I compile QEMU from CVS with the patches from the port. Apart from a 
--prefix, I pass no special arguments to configure.

* In my /etc/rc.conf, I have set FreeBSD to work as a gateway by setting 
gateway_enable="YES".

* My guest uses the IP 192.168.1.7 on the emulated network card, the tap 
device on the host has IP 192.168.1.1. The only problem here is that I 
have been too lazy to write a network script so it's just a no-op and I 
always run "ifconfig tapX inet 192.168.1.1" manually whenever QEMU 
starts and allocates a new tap device (why is it by the way that QEMU 
always opens a new tap device?).

With those few steps, it all works very nicely. I should note, however, 
that to go on the Internet with the guest operating system, its IP must 
be NAT-ed somewhere on the way, which is handled by another FreeBSD box 
in my case.

- Bartosz