[Openstack-operators] networking question

Ahmed El Gamil ahmed at manhag.org
Thu Feb 17 07:01:04 UTC 2011

I would also like an answer to this question, with the current networking
models of Nova, When i need to assign private IP addresses to my instances,
I have to create an alias on NIC of the node that holds eucatools so that
the routing will be correct so as to access the instance via SSH or

On Wed, Feb 16, 2011 at 5:55 PM, <J.O'Loughlin at surrey.ac.uk> wrote:

> All,
> I have a nova install on a single machine, I have launched an instance
> which I can log into from the compute node, and have associated a public IP
> address to the instance, see below.
> root at kvm-dev02:~/project2# euca-describe-instances
> RESERVATION     r-omedt4i6      project2        default
> INSTANCE        i-00000001      ami-bn6x5xnb
>      running mykey (project2, kvm-dev02)     0               m1.small
>  2011-02-15 22:57:17.803241      nova
> security groups allow ssh and icmp:
> root at kvm-dev02:~/project2# euca-describe-groups
> GROUP   project2        default default
> PERMISSION      project2        default ALLOWS  icmp    -1      -1
> PERMISSION      project2        default ALLOWS  tcp     22      22
> but I'm not sure about the routing should now work, under eucalyptus the
> public IP is added as an alias to the public interface and a rule is added
> to iptables to nat the traffic to the instances private IP address.
> It appears nova networking is different, are there any steps I have missed
> ?
> Any help or pointers much appreciated.
> Regards
> John O'Loughlin
> FEPS IT, Service Delivery Team Leader
> _______________________________________________
> Openstack-operators mailing list
> Openstack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20110217/cf161466/attachment-0002.html>

More information about the Openstack-operators mailing list