[ovirt-users] [ovirt 3.6] Logical network not working

Edward Haas ehaas at redhat.com
Fri Sep 9 10:49:17 UTC 2016


On Fri, Sep 9, 2016 at 11:50 AM, Luca 'remix_tj' Lorenzetto <
lorenzetto.luca at gmail.com> wrote:

> Hello Marcin,
>
> iptables -L is clean, default policy accept. Iptables and firewalld
> has been stopped.
>
> I'm not able to find out what's happening.
>
> Luca
>
> On Fri, Sep 9, 2016 at 10:37 AM, Marcin Mirecki <mmirecki at redhat.com>
> wrote:
> > Hello Luca,
> >
> > The description of your setup seems to be correct.
> > Can you please disable firewalld and iptables just to make sure this is
> not the cause.
> > I'll try to recreate and see what the possible causes can be.
> >
> > Thanks,
> > Marcin
> >
> >
> > ----- Original Message -----
> >> From: "Luca 'remix_tj' Lorenzetto" <lorenzetto.luca at gmail.com>
> >> To: users at ovirt.org
> >> Sent: Thursday, September 8, 2016 5:44:27 PM
> >> Subject: [ovirt-users] [ovirt 3.6] Logical network not working
> >>
> >> Hello,
> >>
> >> i'm new to ovirt and i did some months ago a setup of ovirt 3.6 for
> >> playing. My setup is composed by two physical hosts with 6 nic each
> >> and another machine hosting the engine. All hosts are running RHEL 7.2
> >>
> >> Setup went well, no problems. I've been able to convert the kvm image
> >> provided by redhat and have it running on ovirt.
> >>
> >> Then i decided to configure a new network in addition to the
> >> ovirtmgmt. I went to networks, i created the logical network called
> >> Development and set the flag "Enable VLAN Tagging" and inserted the
> >> vlan tag.
> >> Once created the logical network i went to each host and did setup
> >> network and assigned the logical network to the interface where the
> >> vlan is connected. The interface is configured with bootproto=none, so
> >> no IP has been assigned to the eno5.828 that appeared after assigning
> >> logical network.
> >>
> >> I started then a vm and connected to the vNIC "Develoment/Development"
> >> and assigned an IP. But networking is not working: no ping, no traffic
> >> visible with tcpdump.
>

Can you please elaborate on what address you assigned to the VM and
to what address did you tried to ping?


> >>
> >> I tested the single interfaces on the hosts and where the logical
> >> network is connected with tcpdump (both eno5 and eno5.828) i see tons
> >> of broadcast traffic of that interface.
> >>
> >> With brctl-show i see that assigned to the bridge Development there
> >> are both eno5.828 and vnic0.
> >>
> >> Any way to understand what's happening and why traffic is not passing?
> >>
> >> Thank you
> >>
> >> Luca
> >>
> >> --
> >> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
> >> calcoli che potrebbero essere affidati a chiunque se si usassero delle
> >> macchine"
> >> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
> >>
> >> "Internet è la più grande biblioteca del mondo.
> >> Ma il problema è che i libri sono tutti sparsi sul pavimento"
> >> John Allen Paulos, Matematico (1945-vivente)
> >>
> >> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net ,
> >> <lorenzetto.luca at gmail.com>
> >> _______________________________________________
> >> Users mailing list
> >> Users at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/users
> >>
>
>
>
> --
> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
> calcoli che potrebbero essere affidati a chiunque se si usassero delle
> macchine"
> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>
> "Internet è la più grande biblioteca del mondo.
> Ma il problema è che i libri sono tutti sparsi sul pavimento"
> John Allen Paulos, Matematico (1945-vivente)
>
> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <
> lorenzetto.luca at gmail.com>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
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