[ovirt-users] oVIRT 4 / OVN / Communication issues of instances between nodes.

[Lance Richardson]

> From: "Devin Acosta" <devin at pabstatencio.com>
> To: "Lance Richardson" <lrichard at redhat.com>
> Cc: "Marcin Mirecki" <mmirecki at redhat.com>, "users" <Users at ovirt.org>
> Sent: Tuesday, December 6, 2016 12:07:31 PM
> Subject: Re: [ovirt-users] oVIRT 4 / OVN / Communication issues of instances between nodes.
> 
> Lance,
> 
> It appears that firewalld was my issue, can you just confirm with me what
> Ports should be opened for Geneve and OVN to work properly?
> 

Hi Devin,

That's good to hear!

On the ovn-northd node, you need TCP ports 6641 and 6642 open (as mentioned in
Marcin's blog), on the ovn-controller nodes you need to allow packets with
destination UDP port 6081 (Geneve tunnels).

   Lance