Re: how to bridge "native" vlan?

Do I read it well ? It seems that not matched tag are still decoded  in nomatch hook :

https://github.com/freebsd/freebsd-src/blob/373ffc62c158e52cde86a5b934ab4a51307f9f2e/sys/netgraph/ng_vlan.c#L576-L599


Benoît

> Hi Lutz,
>
> I tried your solution, so far it works (once i figured it was "link0" and not "0" :) . But the notmatch bridge will only receive the native vlan it seems. Is there a way to get all the other tags, ie not filtered, as well?
>
> Benoît
>
> ------- Original Message -------
> On Tuesday, April 26th, 2022 at 12:08, Benoit Chesneau benoitc@enki-multimedia.eu wrote:
>
>
>
> > I am trying
> >
> > `mkpeer vlan0: bridge 100`but so fat it is returningan error. Should I create the node first?
> >
> > Benoît Chesneau
> >
> > Sent with ProtonMail secure email.
> > ------- Original Message -------
> > On Saturday, April 23rd, 2022 at 23:20, Lutz Donnerhacke lutz@donnerhacke.de wrote:
> >
> > > On Thu, Apr 21, 2022 at 02:11:54PM +0200, Patrick M. Hausen wrote:
> > >
> > > > > Am 21.04.2022 um 11:29 schrieb Benoit Chesneau benoitc@enki-multimedia.eu:
> > > > > I have an interface on which multiple vlans are connected. I would like to bridge the vlan 100 and 200 but also have a bridge for the "native" vlan 1. I Can setup a bridge for vlan 100 and 200 the way below I think but how to create a bridge for the "native" vlan?
> > > >
> > > > I don't have any experience with netgraph but I do know that
> > > > you cannot do that with if_bridge(4). If you make the physical
> > > > interface the member of a bridge, you cannot use additional
> > > > VLANs on that interface, anymore.
> > > >
> > > > Does anybody know if the same restriction applies to ng_bridge(4)?
> > >
> > > ng_bridge does not inspect the ethertypes only the mac addresses of the frames.
> > > So you can split the VLANs using ng_vlan and connect them to the three bridges:
> > >
> > > : mkpeer em0: vlan lower downstream
> > > : name em0:lower vlan0
> > > : mkpeer vlan0: bridge 100 0
> > > : mkpeer vlan0: bridge 200 0
> > > : mkpeer vlan0: bridge nomatch 0
> > > : msg vlan0: addfilter { vid=100 hook="100" }
> > > : msg vlan0: addfilter { vid=200 hook="200" }
> > > : name vlan0:100 bridge100
> > > : name vlan0:200 bridge200
> > >
> > > : mkpeer em1: vlan lower downstream
> > > : name em1:lower vlan1
> > > : connect vlan1: bridge100: 100 1
> > > : connect vlan1: bridge200: 200 1
> > > : connect vlan1: bridge_untagged: nomatch 1
> > > : msg vlan1: addfilter { vid=100 hook="100" }
> > > : msg vlan1: addfilter { vid=200 hook="200" }
> > >
> > > : mkpeer em2: vlan lower downstream
> > > : name em2:lower vlan2
> > > : connect vlan2: bridge100: 100 2
> > > : connect vlan2: bridge200: 200 2
> > > : connect vlan2: bridge_untagged: nomatch 2
> > > : msg vlan2: addfilter { vid=100 hook="100" }
> > > : msg vlan2: addfilter { vid=200 hook="200" }