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Alas, that didn't fix the issue.

Lorin


On Wed, Mar 20, 2013 at 9:33 PM, Warren Wang <warren at wangspeed.com> wrote:

> Try enabling promiscuous on br100. Had the same problem in no multi mode.
>
> --
> Warren
>
> On Mar 20, 2013, at 9:24 PM, Lorin Hochstein <lorin at nimbisservices.com>
> wrote:
>
> Hey all:
>
> I'm having some trouble getting floating IPs working on a new Folsom
> deployment (using nova-network, FlatDHCP, no-multihost, running on Ubuntu
> 12.04).
>
> The short version is that nova-network does not seem to be forwarding the
> traffic for a floating IP. I have  a running instance with a fixed IP of
> 10.40.0.2 and a floating IP of 10.20.0.3:
>
> $ nova list
> +-------+---------+--------+------------------------------+
> | ID    | Name    | Status | Networks                     |
> +-------+---------+--------+------------------------------+
> | 3d292 | quantal | ACTIVE | private=10.40.0.2, 10.20.0.3 |
> +-------+---------+--------+------------------------------+
>
> The controller has a public IP address of 10.20.0.2
>
> If I'm logged in to the controller, I can ssh to the instance on both the
> floating and fixed IP. But if I try to connect from an external network, I
> can't connect to the floating IP (I'm using the no-op firewall so shouldn't
> be a securitiy group issue, although I've also configured to allow ping and
> ssh in the default group).
>
> If I do a tcpdump, I can confirm the ICMP packets destined for 10.20.0.3
> are received by the controller on the public interface, but they never
> appear on br100, which is where they should get forwarded to. I've got IP
> forwarding enabled, and at this point I'm at a loss to try and dtermine
> what's happening.
>
> I posted lots of gory details on serverfault <
> http://serverfault.com/questions/489893> including a link to a dump of
> iptables <https://gist.github.com/lorin/5209761>, "ip a", routing tables,
> etc.
>
> Anybody have any insights here?
>
> --
> Lorin Hochstein
> Lead Architect - Cloud Services
> Nimbis Services, Inc.
> www.nimbisservices.com
>
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>
>


-- 
Lorin Hochstein
Lead Architect - Cloud Services
Nimbis Services, Inc.
www.nimbisservices.com
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