"Ryan Finnie" <[EMAIL PROTECTED]> writes: >> Not if it boots off a different host it won't. > > You quoted everything in my message except the part where I > essentially say ", unless it's on a different host".
Apologies. I didn't mean to misrepresent you. > Besides, the automatic generation is only for temporary guests. If > I intend for a guest to be permanent, I give it a static mac > address. Gothca. I use the UML daemon for temporary guests. I run a dhcp server on the same tun as the UML daemon. But my server could help you eliminate the need to allocate (and coordinate) a static mac. > I am willing to bet against the 1 in 2^24 chance that there is an collision. > > (On a related note, we all do whenever we buy a new network card. > Every time a nic manufacturer makes 16,777,216 cards, they should > request a new OUI from the IEEE... but they don't always. Sometimes > they just re-use an old OUI from years ago. So not all MAC addresses > are globally unique; there's just a statistically tiny chance that the > same 2 network cards appear on the same broadcast domain.) I've actually seen this happen. About 10 years ago I was working at a UK government agency; we introduced a machine onto the net with the exact same mac as an existing machine. It was a problem that was extreemly difficult to discover at the time. I and a colleague had to go round looking at hub stats with a serial terminal (we had no centralized IP management consoles back then). -- Nic Ferrier http://www.tapsellferrier.co.uk for all your tapsell ferrier needs ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
