netdev - Re: [PATCH net-next v4 0/3] path mtu hardening patches

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Date:	Mon, 13 Jan 2014 14:12:55 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	johnwheffner@...il.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com,
	steffen.klassert@...unet.com, fweimer@...hat.com
Subject: Re: [PATCH net-next v4 0/3] path mtu hardening patches

From: John Heffner <johnwheffner@...il.com>
Date: Mon, 13 Jan 2014 16:50:38 -0500

> Perhaps I misunderstood your description of FreeBSD then.  It seems
> hard for me to believe that MTU discovery for UDP is broken by default
> in FreeBSD.  It was not as of a couple years ago...

FreeBSD never implemented PMTU for anything other than TCP.

In fact, outside of Linux and perhaps Solaris, very few networking
stacks have implemented UDP PMTU.
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