[j-nsp] MX VPLS Trunk with VLAN rewriting

magno massimo.magnani at gmail.com
Fri Dec 23 09:26:14 EST 2011


hi Sebastian,

 did you try to remove the vlan-id statement at all (I mean, no vlan-id
none but no vlan-id at all)?

Massimo.

On Thu, Dec 22, 2011 at 10:20 PM, Sebastian Wiesinger <
juniper-nsp at ml.karotte.org> wrote:

> * Serge Vautour <sergevautour at yahoo.ca> [2011-12-22 17:28]:
> > Hello,
> >
> > Have you tried building this up from a very simple setup that works
> > and adding complexity as you go? I've done something like this with
> > the "vlan-id all" before but not with the VLAN tag manipulations at
> > the same time.
>
> Hi,
>
> yes I begun with a simple setup where I just connected two sites with
> one vlan on each site and "vlan-id none". The VLAN manipulation is the
> only thing that doesn't seem to work.
>
>
> > The first thing that looks odd to me is the input-vlan map. Why do
> > you need it? Swap on egress should be enough. Another thing I'm not
> > sure about is both sub-interfaces in the same site. I'd put them in
> > separate sites.
>
> I need the input-vlan-map to rewrite the vlan tag so that it is the
> same in the vpls instance on both sites.
>
> The subinterfaces are on the same L2 switch, why should I put them in
> different sites? What if I have 100 subinterfaces, I can't (or don't
> want to) make 100 sites for that on every PE.
>
> > Try making this work by using the same VLAN on both ends, then add
> > the VLAN manipulation. I've got something that looks almost exactly
> > the same as this in my lab and it works:
>
> If I have the same VLAN on both sites it works, but I don't have that
> in the production setup so that's not an option. :(
>
> Regards
>
> Sebastian
>
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