[c-nsp] LACP between router VMs (James Bensley)

[Sergio D.]

You can use the following on ovs:

ovs-vsctl set bridge <bridge-name> other-config:forward-bpdu=true

according to the ovs-vsctl docs[0] this includes 01:80:c2:00:00:0x which is
LACP.

[0] http://openvswitch.org/support/dist-docs/ovs-vswitchd.conf.db.5.html


>
>    1. Re: [c-nsp] LACP between router VMs (James Bensley)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 8 Nov 2017 18:21:07 +0000
> From: James Bensley <jwbensley at gmail.com>
> To: adamv0025 at netconsultings.com
> Cc: "cisco-nsp at puck.nether.net" <cisco-nsp at puck.nether.net>,
>         juniper-nsp <juniper-nsp at puck.nether.net>
> Subject: Re: [j-nsp] [c-nsp] LACP between router VMs
> Message-ID:
>         <CAAWx_pVE_Ya4473u8=X0VLP_WfMRu_YWB1y-7uNSoesES3GJDw@
> mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> On 8 November 2017 at 16:30, Jeff Meyers <Jeff.Meyers at gmx.net> wrote:
> > Hi Adam,
> >
> > LACP packets (so called slow packets in the linux kernel) are never
> > forwarded by the bridging code. If it didn't change in the last ~2 years,
> > you will have to hack your kernel in order to let them pass. It's
> actually
> > only a minor change in a couple of lines. The same applies btw to STP
> > packets.
> >
> >
> > Jeff
> >
> >
> > Am 08.11.2017 um 17:09 schrieb adamv0025 at netconsultings.com:
> >>
> >> Hi folks,
> >>
> >>
> >> Slightly off topic but I'm gonna give it a shot anyways.
> >>
> >> Would anyone know how can I make linux bridges or better OVS to forward
> >> LACP
> >> PDUs instead of swallowing 'em?
> >>
> >> Basically "l2protocol forward lacp" equivalent.
> >>
> >> Couldn't find a single article on this and just can't believe I'm the
> >> first
> >> person that ever tried this.
> >>
> >> Aren't linux bridges or OVS MEF compliant :-) ?
> >>
> >>
> >> Thanks
> >>
> >>
> >> adam
>
> If you have NIC(s) that support SR-IOV in your hypervisor boxes then
> binding a virtual-function from the PF to your VMs should allow the
> LACP frames to pass.
>
> Cheers,
> James,
>
>
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-- 
Sergio Danelli
JNCIE #170