[one-users] Problem with MAC_PREFIX

Antonio Carlos Salzvedel Furtado Junior acsfj08 at inf.ufpr.br
Fri May 4 12:44:53 PDT 2012


Thanks, I dind't realised this issue.

On Fri, May 4, 2012 at 3:12 PM, Shankhadeep Shome <shank15217 at gmail.com>wrote:

> You can only use the top 2 most significant bytes, the other 4 are
> reserved for the ip to mac conversion open nebula does, the most
> significant byte is set to 02: because the second bit should be set to 1
> for locally administered mac addresses 000000[1]0 : 00000000
>
> I suggest you use mac prefixes like 02:01, 02:02 etc..
>
> On Fri, May 4, 2012 at 7:04 AM, Antonio Carlos Salzvedel Furtado Junior <
> acsfj08 at inf.ufpr.br> wrote:
>
>> Hello,
>>
>> I have a problem defining the MAC_PREFIX value in oned.conf.
>>
>> Initially, this parameter had been set to "02:00", and it was working
>> fine. I changed it to "52:54:00", since then the VMs are not created with
>> the proper prefix.
>>
>> I took a look at var/<VM ID NUMBER>/deployment.0, and the interface tag
>> was like this:
>>
>>    <interface type='bridge'>
>>             <source bridge='virbr0'/>
>>             <mac address='00:01:c0:a8:7a:02'/>
>>    </interface>
>>
>> OpenNebula shouldn't have assigned '00:01:c0:a8:7a:02' for this VM. Are
>> there only specific values to be used for MAC_PREFIX?
>>
>>
>> Thanks in advance
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>
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