> When MPLS frames are sent over ATM, label is inserted over VPI/VCI in
> ATM cell header. In other L2 protocols (PPP, FR, 802.3) labels are
> always put after L2 header, so it (L2 header) remains unchanged.
>
> Problem is that we don't own ATM infrastructure, but we buy it from
> Telecom, and we only get one VPI/VCI pair. So cells with changed
> header cannot pass. Are there any solutions for this case (PPP over ATM,
> GRE tunnel for MPLS, ...).
>
> If somebody has similar situation, please comment on this.
>
>
there is no problem , you are just treating your links as point-to-point and
using packet-based mpls over atm
instead of cell-mode mpls.MPLS label is insterted into aal5 payload
Just remember that you need aal5snap encapsulation on your pvc's
regards
pm
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:44 EDT