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Hi,

where are you observing such calls?
The vm boot process makes indeed several REST calls to Neutron, but about
90% of them are GETs, there should be only 1 POST for each port, and a few
puts.
I think you should not see DELETE in the boot process, so perhaps these
calls are coming from somewhere else (a DHCP agent acting a bit crazy
perhaps?)

Regards,
Salvatore


On 4 September 2013 15:03, Chandan Dutta Chowdhury <chandanc at juniper.net>wrote:

> Hello All,
>
> I am trying to make my neutron plugin  to configure a physical
> switch(using vlans), while in create_port I am trying to configure the
> physical switch I see a lot of create_port and delete_port  calls appearing
> in server.log.
> I am assuming that this may be due to the amount of time required to
> configure/commit on the physical switch is higher, and nova may be trying
> multiple times to create port (and deleting port when response does not
> arrive within a timeout period).
>
> Is there a timeout value in neutron or nova that can be altered so that
> the client can wait for the create_port to finish instead of sending
> multiple create/delete port?
>
> Thanks
> Chandan
>
>
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