Subject: Re: IP DF problems (again)
To: None <current-users@NetBSD.ORG>
From: Matthias Scheler <>
List: current-users
Date: 02/02/1998 12:48:25
In article <>,
	Jukka Marin <> writes:
> I still don't understand why they try to send packets of 1460 bytes with DF
> set..

Path MTU discovery. They are trying to figure out the maximum possible
MTU for a network connection. Once they found it out they can send
packages without any unnecessary overhead caused by fragmentation or
superfluous headers.

Matthias Scheler