Bob Bernstein wrote: > Prior to turning to virtualbox I had partial success with Qemu. > With Qemu, my *bsd guests' VM's would complete successful boots > on this Debian stable host, but the networking never worked. > > There seemed to be a problem with routing, as the nic got its IP > address and netmask and broadcast numbers. Pings seemed to send > packets to remote hosts but never got any back. Pinging > localhost worked ok. > > Then I came across this statement in the Debian Qemu wiki: > > "By default, QEMU invokes the -nic and -user options to add a > single network adapter to the guest and provide NATed external > Internet access." > > My experience is that this does *not* happen here. I never get > the NAT. So, for example, this command-line produces a quite > workable NetBSD VM, but once it boots it has no network access: > > # qemu-system-x86_64 -net nic -net user m=256 -cdrom > boot-NetBSD-amd-7.0_RC3.iso nbsd.img > > Anybody know what's lacking there?
Qemu's default NATed external Internet access uses a SLIRP-based user-mode networking stack that doesn't support ICMP, so ping is not expected to work. Try connecting to a TCP based service like http or ssh. -- Andreas Gustafsson, g...@gson.org
