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Date: Tue, 28 Oct 2008 10:53:13 +0300
From: Eygene Ryabinkin <rea-fbsd@codelabs.ru>
To: Eitan Shefi <eitans@mellanox.co.il>
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Subject: Re: It seems that FreeBSD-7.0 does not use the available MTU
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Eitan, good day.

Mon, Oct 27, 2008 at 11:53:26PM +0200, Eitan Shefi wrote:
> I am using 2 hosts with FreeBSD-7.0 connected directly.
> When I change the MTU to a value greater then 1500, for example 3000,
> and then send "ping" with message size 2500, from one host to the other,
> the other host gets more then one ICMP packet, even thaw the message
> that was send is match smaller then the MTU.
> =20
> I tried to run this test using a different NIC, but I got the same
> behavior.
> =20
> I run:
> 1.  On both hosts:
>      ifconfig mtnic0 mtu 3000

And what does 'ifconfig mtnic0 | grep mtu' says after this command?
--=20
Eygene
 _                ___       _.--.   #
 \`.|\..----...-'`   `-._.-'_.-'`   #  Remember that it is hard
 /  ' `         ,       __.--'      #  to read the on-line manual  =20
 )/' _/     \   `-_,   /            #  while single-stepping the kernel.
 `-'" `"\_  ,_.-;_.-\_ ',  fsc/as   #
     _.-'_./   {_.'   ; /           #    -- FreeBSD Developers handbook=20
    {_.-``-'         {_/            #

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