Re: Label Stacking in ATM Cell-mode MPLS

Top label is for the PE to PE connectivity. Where is the second VPN Label?
How can we explain this?

Regards,
Anser

On Mon, Apr 5, 2010 at 1:19 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar> wrote:

> Topmost label is mapped to VPI/VCI. The rest is just standard (i.e. like
> frame mode) labels. No PHP is done, as the circuit is constructed for
> the whole LSP. (The topmost label is kept in the PDU with a 0 value)
> The stack is not on the ATM *header*, is on the MPLS PDU which SAR lays
> in a sequence of cells.
>
> Is that what you wanted ?
>
> Muhammad Anser Khan @ 5/04/2010 5:31 -0300 dixit:
> > Dear Experts,
> >
> > I want to know how ATM cell supports multiple label in ATM header.
> >
> > For example, In MPLS VPN we need two labels in one packet. How can we
> > achieve this in ATM?
> >
> > I need theoretical answer.
> >
> > Regards,
> > Anser
> >
> >
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> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina

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Received on Mon Apr 05 2010 - 14:24:17 ART