North American Network Operators Group
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Re: MTU discovery

  • From: Jun-ichiro itojun Hagino
  • Date: Thu Jun 24 14:07:00 2004 
> no, its not just you. i've had issues with couple customers having problems
> visiting two large sites due to pMTUd breakage. it was discouraging to see
> some fortune100 web sites breaking their filtering too much over the line.

	in many cases, those companies put web load-balancing device, and
	the device prevents PMTU from working.  maybe identify vendor which
	ships 'drop all icmp6' and teach them nicely?

itojun