Re: [kvm-devel] Mac-Address uniqueness

2007-06-01 Thread Daniel P. Berrange
On Thu, May 31, 2007 at 11:43:43PM -0700, H. Peter Anvin wrote: > Avi Kivity wrote: > > H. Peter Anvin wrote: > >> Axel Kittenberger wrote: > >> > >>> Unfortunally all machines detect the same ethernet address > >>> '52:54:00:12:34:56'. Which you can guess what i means, networking comes > >>>

Re: [kvm-devel] Mac-Address uniqueness

2007-06-01 Thread Axel Kittenberger
> That tends to consume dhcp leases quickly, if you start guests often (as > I do). Also, some distributions use the mac address as a key for naming > interfaces; if it changes, the guest gets confused > Couldn't we do some sort of hash on the image path+filename? So same image starts always

Re: [kvm-devel] Mac-Address uniqueness

2007-05-31 Thread H. Peter Anvin
Avi Kivity wrote: > H. Peter Anvin wrote: >> Axel Kittenberger wrote: >> >>> Unfortunally all machines detect the same ethernet address >>> '52:54:00:12:34:56'. Which you can guess what i means, networking comes >>> and goes whatever machine last the ethernet address got hold of from the >>>

Re: [kvm-devel] Mac-Address uniqueness

2007-05-31 Thread Avi Kivity
H. Peter Anvin wrote: > Axel Kittenberger wrote: > >> Unfortunally all machines detect the same ethernet address >> '52:54:00:12:34:56'. Which you can guess what i means, networking comes >> and goes whatever machine last the ethernet address got hold of from the >> gateway. I tried specifing

Re: [kvm-devel] Mac-Address uniqueness

2007-05-31 Thread H. Peter Anvin
Axel Kittenberger wrote: > > Unfortunally all machines detect the same ethernet address > '52:54:00:12:34:56'. Which you can guess what i means, networking comes > and goes whatever machine last the ethernet address got hold of from the > gateway. I tried specifing an ethernet-adress with "-net

Re: [kvm-devel] Mac-Address uniqueness

2007-05-31 Thread Axel Kittenberger
Thanks for the quick answer. > It works for me. > You should have all the -nic parameters in the same option, for example: > "-net nic,macaddr=$MAC,model=rtl8139" otherwise qemu sets the nic for > another vlan object. > Oh! This explains why lspci showed 3 network cards, stupid me :-) Still spec

Re: [kvm-devel] Mac-Address uniqueness

2007-05-31 Thread Dor Laor
>Im not sure if this better kvm or qemu code that is responsible, but >since my binary is called "kvm" I'll try this list first, tell me if its >wrong. > >I now have 3 virtual machines on my host (Windows 2003 server, Ubuntu >etch, an old Suse) and have bridged networking setup. >I used -nic,model=