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Jumbo frames

  • From: <rogerw@nordlink.com>
  • Date: Tue, 23 Jul 2002 16:12:43 -0700 (PDT)
  • Number: 16843968-3D3DE2EA-2
  • Resent-Date: Tue, 23 Jul 2002 20:54:05 -0400
  • To: <mpls-ops@mplsrc.com>

Hugo, I may be jumping into a comleted thread, but I will.

Every label on an MPLS packet adds 32 bits to the length of the packet. I can think of a possible stack of three labels(MPLS VPN, TE Tunnel, and hop-to-hop MPLS) and that would add 96 bits. If you are running Ethernet for instance, you could be over the standard 1500 and switches and routers that are not MPLS-aware would think these are jumbo frames and therefore out of spec, and delete them.

I hope that helps

Roger Williams

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