Floating IP problem in HA OVN DVR with TripleO
Reza Bakhshayeshi
reza.b2008 at gmail.com
Tue Sep 8 11:03:30 UTC 2020
Hi Slawek,
I'm using the latest CentOS 8 Ussuri OVN packages at:
https://trunk.rdoproject.org/centos8-ussuri/deps/latest/x86_64/
On both Controller and Compute I get:
# rpm -qa | grep ovn
ovn-host-20.03.0-4.el8.x86_64
ovn-20.03.0-4.el8.x86_64
# yum info ovn
Installed Packages
Name : ovn
Version : 20.03.0
Release : 4.el8
Architecture : x86_64
Size : 12 M
Source : ovn-20.03.0-4.el8.src.rpm
Repository : @System
>From repo : delorean-ussuri-testing
Summary : Open Virtual Network support
URL : http://www.openvswitch.org/
License : ASL 2.0 and LGPLv2+ and SISSL
Do you suggest installing ovn manually from source on containers?
ي
On Tue, 8 Sep 2020 at 12:39, Slawek Kaplonski <skaplons at redhat.com> wrote:
> Hi,
>
> Maybe You hit this bug [1]. Please check what ovn version do You have and
> maybe
> update it if needed.
>
> On Mon, Sep 07, 2020 at 06:23:44PM +0430, Reza Bakhshayeshi wrote:
> > Hi all,
> >
> > I deployed an environment with TripleO Ussuri with 3 HA Controllers and
> > some Compute nodes with neutron-ovn-dvr-ha.yaml
> > Instances have Internet access through routers with SNAT traffic (in this
> > case traffic is routed via a controller node), and by assigning IP
> address
> > directly from provider network (not having a router).
> >
> > But in case of assigning FIP from provider to an instance, VM Internet
> > connection is lost.
> > Here is the output of router nat lists, which seems OK:
> >
> >
> > # ovn-nbctl lr-nat-list 587182a4-4d6b-41b0-9fd8-4c1be58811b0
> > TYPE EXTERNAL_IP EXTERNAL_PORT LOGICAL_IP
> > EXTERNAL_MAC LOGICAL_PORT
> > dnat_and_snat X.X.X.X 192.168.0.153
> > fa:16:3e:0a:86:4d e65bd8e9-5f95-4eb2-a316-97e86fbdb9b6
> > snat Y.Y.Y.Y 192.168.0.0/24
> >
> >
> > I replaced FIP with X.X.X.X and router IP with Y.Y.Y.Y
> >
> > When I remove * EXTERNAL_MAC* and *LOGICAL_PORT*, FIP works fine and as
> it
> > has to be, but traffic routes from a Controller node and it won't be
> > distributed anymore.
> >
> > Any idea or suggestion would be grateful.
> > Regards,
> > Reza
>
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1834433
>
> --
> Slawek Kaplonski
> Principal software engineer
> Red Hat
>
>
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