Re: [Xen-users] dual vif per domain troubles

[Patrick Deelman <p.deelman@xxxxxxxxx>]

Luca Sacchi wrote:

> Hi, You problem is here:
>
> atlas:~# ip maddr
> 2:      dummy0
>       link  01:00:5e:00:00:01
> 3:      eth0
>       link  01:00:5e:00:00:01
> 4:      xen-br0
>       link  01:00:5e:00:00:01
> You cannot have same mac on different interfaces.
> You must know the ISO stack
>
> level 1  - the wire
> level 2 - the logical control level (mac address)
> level 3 - the network (tcp/ip)
> level 4 and so on ....
>
> The packet go on the wire , looks for the right  physical address (or
> media address or mac address) then the packet go trought the tcp
> stack.
>
> You must assign a differen mac address to each interface!
>
>
> Sorry for my bad English but I know deeply only French and Italian
>
> regards
>
> luca
>  
That's weird, because ifconfig says that the macs are different

dummy0    Link encap:Ethernet  HWaddr 9E:59:F0:3C:81:8F
eth0      Link encap:Ethernet  HWaddr 00:50:BF:D6:57:38
xen-br0   Link encap:Ethernet  HWaddr 00:50:BF:D6:57:38

Well actually xenbr0 has the same mac :S

Something really weird is going on in those xen network scripts ...

Patrick



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