[Xen-users] Re: bridge interface with (initially) no ports

[Ferenc Wagner <wferi@xxxxxxx>]

"James Harper" <james.harper@xxxxxxxxxxxxxxxx> writes:

>>> auto br-wan
>>> iface br-wan inet static
>>>  address x.y.z.254
>>>  netmask 255.255.255.0
>>   hwaddress ether xx:xx:xx:xx:xx:xx
>>>  bridge_maxwait 0
>>>  bridge_ports none
>>> up ip addr add 2002:xy:xfe:3::1/64 dev $IFACE
>>>
>>> but of course when the br-wan interface comes up, it has no mac
>>> address because it has no ports yet to inherit a mac address from.
>> 
>> Try adding the line above.
>
> SIOCSIFHWADDR: Cannot assign requested address
>
> I can't set a hardware address on a bridge, that's the whole problem.

Maybe you want to assign a multicast address.  Ensure that the first
octet is even (ie. 11:22:33:44:55:66 won't work, 12:22:33:44:55:66
should).  This works for me.
-- 
Feri.

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