The MPLS-OPS Archive

[Rajiv Asati <rajiva@cisco.com>]

Devendra,

Looks like you want to have a L3 CPE connecting to a L2 device, which in 
turn connects to the PE router(s).
More than that, it seems to me that the requirement is to carve out 
multiple routing contexts out of the single CPE device, which could 
potentially be connected to multiple routers or hosts as shown below :

PE1------PE2======L2=====CPE-------R1
                                 |----------R2

If the above is not what the requirement is, then please help us understand 
the requirement.
If the above indeed is the case, then we can proceed further after you 
acknowledge.

As far as the accuracy of an RFC is concerned, one should look at the IETF 
repository for further clarification.

Cheers,
Rajiv


At 09:07 PM 11/10/2003, Devendra.Vyas@relianceinfo.com wrote:

>Elk,
>
>AFAIK
>
>i believe my english & grammar was quite clear.anyway if you are so
>challenged ill waste a bit of BW and server space--
>
>the  RFC2547bis part was in quotes(pasted straight from Juniper whitepaper
>by c.semeria) after which my question/message started.
>
>feel free to reply offline if you wish.
>no point polluting a good list by such trivial issues.
>
>
>Regards,
>
>Devendra Vyas
>
>
>
>|---------+---------------------------->
>|         |           "M. ELK"         |
>|         |           <elkou141061@hotm|
>|         |           ail.com>         |
>|         |                            |
>|         |           11/10/2003 11:19 |
>|         |           AM               |
>|         |                            |
>|---------+---------------------------->
> 
 > >------------------------------------------------------------------------------------------------------------------|
>   | 
 >                                            |
>   |       To:       Devendra.Vyas@relianceinfo.com, 
> mpls-ops@mplsrc.com                                              |
>   |       cc: 
 >                                            |
>   |       Subject:  Re: [MPLS-OPS]: L2 CE Device-BGP/MPLS L3 
> VPN                                                     |
> 
 > >------------------------------------------------------------------------------------------------------------------|
>
>
>
>
>
>Devendra
>
>AFAIK
>
>Within the scope of RFC 2574 bis , never heard about  : "  i have heard
>there is a workaround for such scenarios wherein...a sort of virtual router
>
>that mimics a L3 CE device is created on the PE of the
>provider which connects to L2 CE..and the VPN in turn starts from the PE
>connecting to this PE. "
>
>Since the CE in this case is not L3 speaker so we need to define statically
>
>the routing ,
>on the PE we use static routing and on the HOST's (connected through the
>switch ) using
>a default routing pointing to the PE port .
>
>
>Brgds
>
> >From: Devendra.Vyas@relianceinfo.com To: mpls-ops@mplsrc.com Subject:
> >[MPLS-OPS]: L2 CE Device-BGP/MPLS L3 VPN Date: Sun, 9 Nov 2003 02:46:04
> >+0530
> >
> >Hi,
> >
> >2547bis says
> >
> >"A customer edge (CE) device provides customer access to the service
> >provider network over a data link to one or more provider edge (PE)
> >routers. While the CE device can be a host or a Layer 2 switch, typically
> >the CE device is an IP router that establishes an adjacency with its
> >directly connected PE routers."
> >
> >Suppose a customer has a L2 CE device (switch) & his requirement is that
>he
> >has to be accomodated on to the Providers existing BGP/MPLS L3 VPN based
> >setup with his CE device.
> >
> >
> >i have heard there is a workaround for such scenarios wherein...a sort of
> >virtual router that mimics a L3 CE device is created on the PE of the
> >provider which connects to L2 CE..and the VPN in turn starts from the PE
> >connecting to this PE. my question?? need clarity -whether this works and
> >how exactly this will work if it will.
> >
> >will be thankful to be referred to links that explore such a scenario
> >
> >Regards,
> >
> >Devendra Vyas
> >
> >
> >
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