Edward Ling wrote:
> "I don't see any ICMP messages that are a MUST for network operation."
>

"Packet too big" (ICMP 3/4) IS required for PMTUD. You will drop packets without it.

Jon K.
--
Jon R. Kibler
Chief Technical Officer
Advanced Systems Engineering Technology, Inc.
Charleston, SC USA
(843) 849-8214

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