[ovirt-users] IP forwarding... Cannot access guest IP

[richard.seguin at marisec.ca]

Hi Dan,

Yes I am an ovirt user.  Basically, I am running into an issue running xen inside of kvm.  Our scenario is that this is lab environment, and we enjoy the luxury of spinning up kvm instances (as opposed to installing on bare metal each time we need something). Our product uses Xen, and we are pretty much stuck with it for the time being.

I think what I am running into is a double bridge issue... Xen has a bridge, and so does kvm obviously.  I am able to ping dom0 (which is just the bridge itself) on Xen from the outside world, but I am not able to ping udom... and... udom doesn't have access out either.   When I was using vmware, I enabled promisc mode on the virtual switch, and this solution worked fine... 

If we ignore the types of technology that I am using,  and just focus on the networking, what would I be looking at as possibilities?  Or... a better question would be, does ovirt have a promiscuous flag somewhere that I can set?

-----Original Message-----
From: "Dan Kenigsberg" <danken at redhat.com>
Sent: Tuesday, April 29, 2014 6:06am
To: richard.seguin at marisec.ca
Cc: users at ovirt.org
Subject: Re: [ovirt-users] IP forwarding... Cannot access guest IP

On Mon, Apr 28, 2014 at 06:17:57PM -0400, richard.seguin at marisec.ca wrote:
> Is there a way to enable promiscuous mode on virtual adapters?  I can't seem to access guest IP addresses on our product (that uses Xen).  In Vmware I could enable promiscious mode so that our guest's IP would be allow, as well as the other virtual interfaces under it. 

Are you an oVirt user, or are you considering to migrate?

I don't quite understand your question. Could you describe your use case
again (maybe with example of your network). I'd love to understand from
where you'd like to access your guest IP.