[c-nsp] VPLS Redundency configuration help

[kharananda]

Let me explain my problem briefly.

While doing multi-home VPLS, if customer CE is Catalyst 2950 (not a 
router). How do I protect L2 loop. Is there any mechanism other than STP 
protection?

Regards,
Khara Nanda Luitel.
kharananda wrote:
> .....................                           .....................
>  ...   MPLS PE ...          MPLS Core           ..  MPLS PE    ..
> .......................                         ....................
>    -                                                -
>    -                                                -
>    -                                                -
>    -                                                -
>    -         -------------------------             -
>        ----------   Catalyst 2950 (CE)---------------------
>                  ---------------------------
>
>
>
> Dear All,
>
> Above is my network diagram. Being an ISP, I am willing to give 
> Redundant  VPLS to customer (creating and binding vsi/vpls to CE 
> connected interface on PE) with the topology shown .
>
> If I don't run STP protection for the loop between PEs and non-mpls 
> Catalyst 2950 (CE) shown in figure, is there any mechanism in VPLS 
> (like mac-withdrawal.etc) that defines these two arms of Cisco2950 to 
> be primary and secondary link thereby  keeping one of the  port of 
> 2950 Catalyst in down state protecting the loop. And automatic switch 
> over for link failure.
>
> Regards,
> Khara Nanda Luitel.
>
>