On Fri, Dec 19, 2014 at 03:36:39PM -0000, timsoft wrote:
> using latest qemu 2.2.0 64bit for windows host (installed from
> qemu-w64-setup-20141210.exe obtained from http://qemu.weilnetz.de/w64/
> ),OpenVPN 2.6.3-I601 64bit tap adapter named tap01 and calling qemu
> using the following.
> 
> qemu-system-x86_64.exe -m 512 -net nic -net tap,ifname=tap01 -hda
> "c:\\data\\images\\test.img"
> 
> where the image contains a slackware 14.0 64bit install.
> The tap is bridged with the real network adapter and the bridge is given an ip of 10.1.1.41 (which works as the ip for the windows host). The tap adapter (in network connections) shows connected when the qemu vm is running. inside the vm, the network is given an ip of 10.1.1.143 (the netmask and default gateway are the same for the virtual and real pc).
> fault.
> The vm cannot see the rest of the local network or visa-versa. This used to work in early (0.9 32bit) versions of qemu.

Please try tcpdump or Wireshark on guest and host to check whether ping
works in either direction.

Stefan