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Thank you very much!

nova interface-attach and interface-detach did thei job perfectly and I
have restarted the instance after that. One interesting thing to notice
though: now network interface in the instance is not eth0 any more, but
it's eth1 and along with alias eth1:0 both IPs work perfectly.

Hopefully this information will be useful for someone.

Matej


On Tue, May 6, 2014 at 9:12 AM, sylecn <sylecn at gmail.com> wrote:

>
> On Tue, May 6, 2014 at 1:52 PM, Matej <matej at tam.si> wrote:
>
>> Hi Yuanle,
>>
>> thanks for this very useful information. I have tried to update the
>> existing port and was getting
>> Duplicated options --fixed-ip
>> subnet_id=2d30ade0-5713-4857-b610-9ab29453ab92 --fixed-ip
>> subnet_id=2d30ade0-5713-4857-b610-9ab29453ab92
>> But I was able to use port-create successfully. Is there a way to change
>> a port ID of a running instance in nova? Since my instance is running and I
>> don't want to terminate it and boot it again. Or can I use this --nic
>> port_id parameter just when creating a new instance with nova boot ....?
>>
>>
>>
> I haven't used port-update for anything other than updating name and
> security-group. I think port-update IP address on a running instance's port
> is very adventurous. You can try using the neutron API instead of the
> neutron command line. You could also try nova interface-attach and
> interface-detach. They may do the Right Thing. I'm not sure.
>
> --
>
> *YY Inc. is hiring openstack and python developers. Interested? Check
> http://www.nsbeta.info/jobs <http://www.nsbeta.info/jobs>*
>
> --
> Thanks,
> Yuanle
>
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