Yes it’s called overlapping IPs. 

You can turn this off if you would like.


neutron.conf:# Enable or disable overlapping IPs for subnets

allow_overlapping_ips = True

Hopefully this help.

Remo 


> On Aug 21, 2015, at 13:25, Yngvi Páll Þorfinnsson <[email protected]> wrote:
> 
> Hi
>  
> I have a question about network configuration.  When I list networks on the 
> openstack controller,
> there are i.e. four networks with the label „net1“  with different id‘s of 
> course but 3 of them have the same subnet
> defination :  10.0.0.0/24  as seen  in the list below.  ( my collegues have 
> been busy).
> Every subnet has a different tenant ID. 
> Is this the default behaviour in Openstack?  I.e. the name will be ‚net1‘ and 
> the subnet created will be „10.0.0.0/24“ ?
> If I source as admin, the list is like this:
>  
> <image001.png>
>  
>  
>  
> <image002.png>
>  
>  
> Best regards
> Yngvi
> !DSPAM:1,55d70da7322041344175386! 
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