[j-nsp] L-LSP in M-Series ?

Pedro Fortuna pedro.fortuna at gmail.com
Sat Sep 3 18:36:04 EDT 2005


Hello Jared,

> I know that RSVP-TE works (with some restrictions such
> as all participating routers must be m-series routers
> for certain functionalities).
Yes, if I understood well, in the configuration guides states that
some TE features only work if the TE-Tunnel only passes through
M-Series equipment. But this does not mean that can't be other vendor
equipment in the MPLS core as LSRs (for non-TE traffic or regular TE
traffic with no special features)
We are planning to use only M-Series (M320) in the MPLS Edge. In the
core, im not so sure, it may exist other vendor LSRs. Interop issues
are tricky and not everything comes in the manual.

> Also, there should be no issues with simply classifying the pkts on the PE
> to CE connection based on the 802.1p bits.
Well, that's an idea. But I don't want to just believe its possible, I
want to be certain. I've been looking into Juniper Technical
documentation and configuration guides, but until know I didn't find
any reference that confirms its possible. But I guess I didn't search
exaustively in the classification and CoS forwarding angle, so I'll
look again.

Best Regards,
Pedro Fortuna

On 03/09/05, Jared Gull <jmgull at yahoo.com> wrote:
> Pedro,
> 
> I know that RSVP-TE works (with some restrictions such
> as all participating routers must be m-series routers
> for certain functionalities).  Also, there should be
> no issues with simply classifying the pkts on the PE
> to CE connection based on the 802.1p bits.  With that
> in mind it seems that you may be looking at some form
> of CoS based forwarding to direct that particular
> traffic to its specific next-hop (i.e. lsp).
> 
> HTHs
> 
> Jared
> 
> 
> --- Pedro Fortuna <pedro.fortuna at gmail.com> wrote:
> 
> > Hello list,
> >
> > Does anybody knows if in Juniper's M-Series (and
> > latest JUNOS) is
> > possible to use RSVP-TE to signal TE tunnels that
> > carry a single
> > Traffic Class (L-LSP)?
> > Im particularly interested in finding out if for
> > instance, a certain
> > l2circuit (martini tunnel) can use an L-LSP.
> >
> > As I see it, for this to be possible, there must be
> > a way to split
> > ethernet traffic arriving in a VLAN accordingly to
> > the 802.1p bits it
> > carries, and to switch each traffic class into a
> > different l2circuit.
> >
> > Best Regards,
> > Pedro Fortuna
> >
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> >
> 
> 
> 
> 
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