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 Hello Alex,

 thanks for letting me know. What you are saying is consistent with my 
 finding.

 What do you mean by client-side? Is there a way to assign one of the 
 unassigned floating IPs via EC2-API to an instance launched using the 
 EC2-API or should I keep an index of what is assigned and what not in 
 order not to assign something already assigned by mistake?

 Best,

 G.

> Hi Georgios,
>
> Unfortunately current EC2-API describe command doesn't allow
> filtering which can suite your needs. We plan to implement this
> feature in the future. At the moment you can get the whole list and
> pick the unassigned ones client-side.
>
> Best regards,
>    Alex Levine
>
>
> On 4/20/17 11:48 PM, Georgios Dimitrakakis wrote:
>> Hello,
>>
>> I am on Ocata and trying to use EC2-API to assign floating IP 
>> addresses to a VM.
>>
>> It seems though that the EC2-API doesn't provide a list of the 
>> unassigned (aka free) IP addresses but it produces a list of all the 
>> floating IPs no matter if these have already been assigned to another 
>> VM. Is there a way to overcome this?
>>
>> Best,
>>
>> G.
>>
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-- 
 Dr. Dimitrakakis Georgios

 Networks and Systems Administrator

 Archimedes Center for Modeling, Analysis & Computation (ACMAC)
 School of Sciences and Engineering
 University of Crete
 P.O. Box 2208
 710 - 03 Heraklion
 Crete, Greece

 Tel: +30 2810 393717
 Fax: +30 2810 393660

 E-mail: giorgis at acmac.uoc.gr