En réponse à "Jim C. Brown" <[EMAIL PROTECTED]> : > > Nearly? Oh come on... you know it ain't possible, period. > > What are you refering to? The ability of a single qemu to ping > thru slirp, > or the ability of multiple qemus to ping each other using > their guest ips? > > The former can be done, as explained below, but it is probably > more trouble > than its worth. The latter can not be done at all *IF* the > guests have to > communicate thru the slirp layer. However, if the slirp layer > is just used to > talk to the host and the LAN/internet and you have something > else that deals > with guest-to-guest, then this can be done. slirpvde comes to > mind here. > > > Ping (ICMP) operates at the IP level. An unprivileged > > socket, which is > > what user-net (slirp) uses can only send/receive packets at > > the ported > > protocols level, which means UDP or TCP. > > Actually, it is really easy to add ping support to qemu using > sockets. The only > issue here is privilege. (You need to be root in order to be > able to use an > ICMP socket.) > > An alternative would be to use "/sbin/ping -c 1" and parse its > output in order > to simulate an actual ICMP connection. This is considerably > harder, but definitely possible. > And what about a full IP connection beetween hosts? In order to simulate a real network to do nfs/smtp/http/smb and so on?
I was thinking of a sort of a net-server which handles the DHCP process, the connection for going outside (masquerade+DNS+SMB) and the connection beetween hosts. -- --------------------------------------------- Etes vous un consom'Acteur ? Toutes les saveurs équitables sont sur http://www.epicerie-equitable.com _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
