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Re: L2 CE Device-BGP/MPLS L3 VPN

  • From: Aditya kaul <addie_list@yahoo.com>
  • Date: Sun, 9 Nov 2003 21:20:43 -0800 (PST)
  • Resent-Date: Mon, 10 Nov 2003 01:08:06 -0500
  • To: Devendra.Vyas@relianceinfo.com, mpls-ops@mplsrc.com

 
    Why dont u go for VPLS or VLL in this case ?
Rgds
Aditya
 
 
6. How PEs Learn Routes from CEs

   The PE routers which attach to a particular VPN need to know, for
   each of that VPN's sites, which addresses in that VPN are at each
   site.
 In the case where the CE device is a host or a switch, this set of
   addresses will generally be configured into the PE router
attaching
   to that device.

Devendra.Vyas@relianceinfo.com wrote:
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 w! ill work if it will.

will be thankful to be referred to links that explore such a scenario

Regards,

Devendra Vyas



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