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Hi Tiago,

I’m not sure if I’m following… Are you trying to create L2 network with Neutron and then handle the L3 from within the instance?

If that is so… there is no good way how to do it as far as I can tell. At least no until Juno release as I was told…

Even with Provider network, Neutron will still want to “manage the L3 on the part of the subnet”. Normally you can work with it, but considering you are trying to run virtual switches, I can see it can be difficult.
I guess best you can do, is “hack” the IP/MAC anti-spoofing protection, let neutron to create subnet, assign an IP for the port, and then simply ignore it (since it is not enforced anymore). I’m still not sure how it will work in your case.

Cheers,
Marek

From: Tiago Sousa [mailto:tiagu.asp at gmail.com]
Sent: 17. júna 2014 14:02
To: Akilesh K
Cc: openstack at lists.openstack.org
Subject: Re: [Openstack] [openstack] instances without subnet

Hi, thanks for the feedback.

I think it "should" be possible but im not aware yet on how to get it working.

For instance, if I would like to create some cisco csr1000v instances, and connect them. I would like to manage the subnet info on the instance side and not on neutron/nova network.

Thanks.
Tiago

On Tue, Jun 17, 2014 at 12:48 PM, Akilesh K <akilesh1597 at gmail.com<mailto:akilesh1597 at gmail.com>> wrote:
I believe Openstack has not been developed like that. Can you tell more about why you would like to do it?
@Remo Mattei
I am unaware of how to use provider network to achieve this. Can you please give us some leads.


Thank you,
Ageeleshwar K

On Tue, Jun 17, 2014 at 4:02 PM, Tiago Sousa <tiagu.asp at gmail.com<mailto:tiagu.asp at gmail.com>> wrote:
Hi,

does anyone have been through anything similar to this?

Cumprimentos,
Tiago Sousa

On Fri, Jun 13, 2014 at 5:56 PM, Tiago Sousa <tiagu.asp at gmail.com<mailto:tiagu.asp at gmail.com>> wrote:
Hi,

can you please elaborate?

Ty

Cumprimentos,
Tiago Sousa

On Fri, Jun 13, 2014 at 5:53 PM, Remo Mattei <Remo at italy1.com<mailto:Remo at italy1.com>> wrote:
You have to use the provider network

Ciao
On Jun 13, 2014, at 9:46, Tiago Sousa <tiagu.asp at gmail.com<mailto:tiagu.asp at gmail.com>> wrote:

> Hi, is there any nova/neutron option that i can enable to create instances without subnets?
>
> i created the network without subnet and no problem there, but when i try to create/boot i get the error
>
> Error: Network 2a5a6826-f9df-4767-8885-21d92541fddc requires a subnet in order to boot instances on. (HTTP 400) (Request-ID: req-8465b8d2-c066-4699-bc1e-5307c6fd95c0)
>
> Cheers,
> Tiago
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