SV: VPLS implementation

[Jon Otterholm]

> -----Ursprungligt meddelande-----
> Från: sthaug at nethelp.no [mailto:sthaug at nethelp.no]
> Skickat: den 13 oktober 2010 11:32
> Till: Jon Otterholm
> Kopia: freebsd-net at freebsd.org
> Ämne: Re: VPLS implementation
> 
> > > Are there any plans or ongoing work to implement VPLS in the network
> > > stack?
> > >
> > > http://en.wikipedia.org/wiki/Virtual_Private_LAN_Service
> >
> > If you don't need interoperability with others, you can theoretically
> > achieve something like VPLS using if_bridge, if_gif, EtherIP and the
> > "private" flag of if_bridge.
> >
> > Of course it would be a static setup and you'll have to create full
> > mesh connections for all the participating nodes.
> 
> The whole point of VPLS is to simulate a multipoint Ethernet segment,
> possibly across a WAN and several MPLS PE routers. If you only have a small
> network it is usually far simpler to just set up a suitable collection of switches
> with VLAN trunks between them.
> 
> So the question is - *why* would you want FreeBSD to support VPLS? And
> what exactly do you mean by implementing VPLS on FreeBSD? If you want a
> multipoint bridge across several interfaces, this can be done. If you want
> something with MPLS support (labels etc) it's a completely different ball
> game.
> 
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no

I want to be able to interact with other vendors  using VPLS. I am familiar with 802.1Q, if_bridge and if_gif and its possibilities.

//JO