[Openstack-operators] seperate subnet for VMs in with nova network

pra devOPS siv.devops at gmail.com
Thu Jul 9 18:26:11 UTC 2015


Can soembody give input on the above problem?

Thanks,
Siva

On Wed, Jul 8, 2015 at 2:59 PM, pra devOPS <siv.devops at gmail.com> wrote:

> All:
>
> I wanted to do the below using openstack (Icehouse). with the following
> network connections on CenOS
>
> I have two   NICs  on the machine and mine will be all in one installation.
>
> one NIC (say NIC1) on my lab vLAN 192.168.5.x  and second NIC not
> configured on anything.
>
> Now I wanted to have Openstack Installed on NIC1.
>
> Assign an IP to second interface  like (172.168.2.5)
>
> And give that range in nova-network say like
>
>  nova network-create demo-net --bridge br100 --multi-host T
> --fixed-range-v4 172.168.2.0/24
>
>
> , Assign gateway as 172.168.2.1 ( I assume that openstack will create a
> interface with that br100 with ip 172.168.2.1)
>
>
> configure nova.conf like below:
>
>  openstack-config --set /etc/nova/nova.conf DEFAULT   flat_network_bridge
> br100
>  openstack-config --set /etc/nova/nova.conf DEFAULT   flat_interface NIC2
>  openstack-config --set /etc/nova/nova.conf DEFAULT   public_interface NIC2
>
> Now my questions are :
>
> Will i be able to create something like that?
>
> I am able to do ssh and connect using private IPs as well, But my private
> IP is not talking to outside world.
>
>
>
> Can some body suggest? What is that I am doing wrong ?
>
> Thanks
> Dev
>
>
>
>
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