[Rdo-list] Adding another public subnet in RDO

[Vimal Kumar]

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?

Regards,
Vimal
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