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DiffServ MPLS over Ethernet (L-LSP vs E-LSP)

  • From: Vishal M <vishal_study@yahoo.com>
  • Date: Fri, 18 Oct 2002 19:02:42 -0700 (PDT)


Hi,

If someone wants to use MPLS over ethernet and support
DiffServ extensions for MPLS (i.e MPLS DS TE), can one
still choose between using E-LSP or L-LSPs ? 

The reason for the doubt is:
The Ethernet header (like ATM) doesn't have any QoS
information field (unless 802.1q is supported). So
does that imply that E-LSP can't be used when ethernet
is the underlying media (and 802.1q is not supported).

Is L-LSP the only choice then?

Thanks for your inputs,

Regards,
Vishal.


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