[Openstack] Multinic issue (essex)

Ajiva Fan aji.zqfan at gmail.com
Thu Jan 24 04:21:00 UTC 2013


hello
I'm trying to use multi nics in essex, but it get an error:
ERROR: NoNetworksFound: No networks defined. (HTTP 400)

and this link https://bugs.launchpad.net/nova/+bug/953426 says that
essex currently not enable specific nics. and i tried to use that
patch in essex but failed.

I'm wondering why you can launch an instance with single nic while
another with two. Do you mind to tell me how you achieve that?

thank you very much

On 1/23/13, Jesús Moreno <j.morenol at gmail.com> wrote:
> Hi,
>
> I'm trying to use multinic to create a scenario with two instances: Client
> (with one network interface) and Router (with two interfaces):
>
> Client(10.0.14.5) ---- (10.0.14.9)Router(10.0.2.9)
>
> I have modified the gateway in Client routing table, setting Router as the
> new gateway, and activated ip_forward in Router. However, when I ping
> 10.0.2.9 from Client I get no reply. Capturing the traffic with tcpdump I
> have checked that  Router gets echo requests packets and that Router sends
> echo replys, but then "they get lost somewhere", as I have captured the
> traffic in the computation nodes bridges and the echo reply packets don't
> appear. I guess that it could be a problem related with Vlans. Any ideas?
> Any help would be greatly appreciated.
>
> Regards,
> J. Moreno.
>




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