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Cell Relay Retreat>MPLS WG Archive>month:2001-Aug> msg00314



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MPLS frames over Ethernet

  • From: David Charlap <david.charlap@marconi.com>
  • Date: Fri, 24 Aug 2001 13:52:23 -0400

Maciek Arkuszewski wrote:
> 
> How exactly is a proper MAC address picked for outgoing frame? Is
> there an additional mapping maintained between labels and ARP table
> on LSR?

Obviously, the MAC address chosen would have to be the address of the
next-hop router.  The IP address of this router should already be known
(learned as a part of signaling), so an ARP should easily be doable if
the address is unknown.

-- David