[17450] in North American Network Operators' Group

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Re: PC Bozo's World bites again (CNN, too)

daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Tue Jun 2 12:42:30 1998

To: "Matt Sommer" <cache22@webkorner.com>
cc: "Darrell Fuhriman" <darrell@grumblesmurf.net>, nanog@merit.edu
In-reply-to: Your message of "Tue, 02 Jun 1998 12:10:39 EDT."
             <01bd8e40$fc50d950$0f4c35cf@caesar.webkorner.com> 
Reply-To: perry@piermont.com
Date: Tue, 02 Jun 1998 12:36:37 -0400
From: "Perry E. Metzger" <perry@piermont.com>


"Matt Sommer" writes:
> Does RFC-879 still have any validity?
> 
> "      HOSTS MUST NOT SEND DATAGRAMS LARGER THAN 576 OCTETS UNLESS THEY
>       HAVE SPECIFIC KNOWLEDGE THAT THE DESTINATION HOST IS PREPARED TO
>       ACCEPT LARGER DATAGRAMS.

No, that rule is no longer valid qua valid, in so far as negotiation
and Path MTU discovery make it obsolete.

Perry

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