Date: Tue, 28 Oct 2008 10:53:13 +0300 From: Eygene Ryabinkin <rea-fbsd@codelabs.ru> To: Eitan Shefi <eitans@mellanox.co.il> Cc: freebsd-net@freebsd.org Subject: Re: It seems that FreeBSD-7.0 does not use the available MTU Message-ID: <b4/nq8wA2RBf27TeQmd34KycH9M@qwmCjCB9MVvfswOPHvlziSCxUz8> In-Reply-To: <5D49E7A8952DC44FB38C38FA0D758EADCC5FB7@mtlexch01.mtl.com> References: <5D49E7A8952DC44FB38C38FA0D758EADC72E72@mtlexch01.mtl.com> <5D49E7A8952DC44FB38C38FA0D758EADCC5FB7@mtlexch01.mtl.com>
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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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