QEMU and tap problems

[RW]

On Thu, 20 Sep 2007 06:21:20 -0500
Doug Poland <doug at polands.org> wrote:

> 
> Hello,
> 
> I've been following the various instructions I've found on the web in
> an attempt to get tap networking with qemu-devel-0.9.0s.20070802 and
> 

Are you actually sure that you actually need tap? A lot of the how-tos
are out of date - recent versions of Qemu can give a guest network
access without it.

> Windows thinks it has connectivity, but I cannot ping the default
> gateway from the guest and I cannot ping the IP of the guest from the
> host.

This suggest you are accessing the net without tap, ping is a setuid
binary so pings generated in the guest can't be passed on by qemu.