[Rdo-list] Adding another public subnet in RDO

Assaf Muller amuller at redhat.com
Sun Jun 29 09:28:53 UTC 2014


Hi Vimal,

Answers inline.

----- Original Message -----
> Hi,
> 
> I have a dedicated server which has 2 public ip ranges allotted to it by the
> DC. I am trying out OpenStack RDO on this server (allinone install), and I
> was able to assign one of the mentioned ranges (let's say
> 173.xxx.xxx.144/29) and managed to use up all the available ips in this
> range for a few vms. This floating-ip range is now accessible from outside,
> and everything is fine.
> 
> [root at mycloud ~(keystone_admin)]# neutron net-list
> +--------------------------------------+---------+---------------------------------------------------------+
> | id | name | subnets |
> +--------------------------------------+---------+---------------------------------------------------------+
> | 09c8da8e-79d7-49e1-9af8-c2a13a032040 | private |
> | b7eeae38-682a-4397-8b3c-e3dee88527ab 10.0.0.0/24 |
> | 31956556-c540-4676-9cd4-e618a4f93fc8 | public |
> | 14d4b197-1121-4a4b-80b3-b8d80115f734 173.xxx.xxx.144/29 |
> +--------------------------------------+---------+---------------------------------------------------------+
> 
> [root at yocloud ~(keystone_admin)]# neutron subnet-list
> +--------------------------------------+----------------+--------------------+--------------------------------------------------------+
> | id | name | cidr | allocation_pools |
> +--------------------------------------+----------------+--------------------+--------------------------------------------------------+
> | b7eeae38-682a-4397-8b3c-e3dee88527ab | private_subnet | 10.0.0.0/24 |
> | {"start": "10.0.0.2", "end": "10.0.0.254"} |
> | 14d4b197-1121-4a4b-80b3-b8d80115f734 | public_subnet | 173.xxx.xxx.144/29 |
> | {"start": "173.xxx.xxx.147", "end": "173.xxx.xxx.150"} |
> +--------------------------------------+----------------+--------------------+--------------------------------------------------------+
> 
> I am now looking to use the second public ip range for next vms and I am not
> sure how to proceed.
> 
> I tried to create a subnet (public_subnet2) inside "public" net for the new
> ip block but fail to get it working. Neutron does not appear to know that it
> has a few more free floating-ips available, and throws 'No more IP addresses
> available on network'.
> 
> Can someone point to the right direction? Is it not possible to add multiple
> subnets inside a public network?

When exactly do you fail? When I run neutron floatingip-create <public network>
it successfully creates floating IPs from the first subnet, then when that runs
out it starts creating FIPs on the second subnet.

> 
> Regards,
> Vimal
> 
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> 




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