[ovirt-users] oVirt 3.5 & NAT

[Phil Daws]

That is what I tried but oVirt appears to overwrite the bridge information on boot :( Thanks, Phil

----- Original Message -----
From: "Antoni Segura Puimedon" <asegurap at redhat.com>
To: "Phil Daws" <uxbod at splatnix.net>
Cc: "Dan Kenigsberg" <danken at redhat.com>, users at ovirt.org
Sent: Monday, 27 October, 2014 8:00:33 AM
Subject: Re: [ovirt-users] oVirt 3.5 & NAT



----- Original Message -----
> From: "Phil Daws" <uxbod at splatnix.net>
> To: "Dan Kenigsberg" <danken at redhat.com>
> Cc: users at ovirt.org
> Sent: Saturday, October 25, 2014 5:02:59 PM
> Subject: Re: [ovirt-users] oVirt 3.5 & NAT
> 
> Hmmm, this is becoming difficult ..
> 
> I have added into the engine the custom hook and understand how that will
> work.  The issue is how can a single NIC use two different bridges ?
> Example with OVS would be that one requires:
> 
> em1 -+ ovirtmgmt (bridge) -> management IP (public)
>      + ovs       (bridge) -> firewall IP (public)
>                                 |
>                                 + vlan 1
>                                 + vlan 2
> 
> this works fine when using OVS and KVM, without oVirt, so there must be a way
> to hook the two together without a Neutron appliance.
> 
> Any thoughts ? Thanks, Phil.

I haven't tried this, and it may not work, but what happens if you add the ovirtmgmt
bridge as a port of the ovs bridge?
> 
> 
> ----- Original Message -----
> From: "Dan Kenigsberg" <danken at redhat.com>
> To: "Phil Daws" <uxbod at splatnix.net>
> Cc: users at ovirt.org
> Sent: Wednesday, 22 October, 2014 3:54:46 PM
> Subject: Re: [ovirt-users] oVirt 3.5 & NAT
> 
> On Wed, Oct 22, 2014 at 03:12:09PM +0100, Phil Daws wrote:
> > Thanks Dan & Antoni:
> > 
> > I wonder then if I could replace the standard libvirt defined network with
> > an OpenVSwitch one like I have on my dev system?  That is just straight
> > KVM with OVS integrated.  Maybe a bit more overhead in administration but
> > possibly less than having to spin up a Neutron Appliance.
> 
> Once you start to use the vdsm-hook-extnet, all that you need to do is
> to replace the libvirt-side definition of the "external network". This
> may well be an OpenVSwitch-based network e.g.
> http://libvirt.org/formatnetwork.html#elementVlanTag
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