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Cell Relay Retreat>MPLS WG Archive>month:2002-Oct> msg00117



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

  • From: "Gray, Eric" <egray@celoxnetworks.com>
  • Date: Mon, 21 Oct 2002 13:38:28 -0400
  • Cc: "'Shahram Davari'" <Shahram_Davari@pmc-sierra.com>, mpls@UU.NET

Curtis,

	See below...

Eric W. Gray
Systems Architect
Celox Networks, Inc.
egray@celoxnetworks.com
508 305 7214


> --- [snip] ---
> 
> 
> It works fine until you put an ethernet switch in place and try to put
> more than 1 Gb over a 1 GbE.  This is true for any situation where
> more than one ingress going through the switch to one egreess.

Realistically speaking, how often do you expect
to see Ethernet switches being used between LSRs
within an MPLS domain?  In the (possibly rare)
case where this occurs, how likely is it that
such a switch is MPLS unaware?

> 
> If there are no ethernet switches (that being layer2 devices, don't do
> MPLS) then you don't need Layer 2 priority.  That would be true for
> point to point ethernets between LSR.
> 
> Curtis
> 
> 
> > > --- [snip] ---