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Date:      Wed, 21 Feb 2007 10:01:27 -0800
From:      Chuck Swiger <cswiger@mac.com>
To:        =?ISO-8859-1?Q?Jos=E9_Pablo_Fern=E1ndez?= <pablo.fernandez@rs.com.ar>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: PF slowing down file copies
Message-ID:  <1B5F9012-8AEA-40C1-B768-51A98301FA04@mac.com>
In-Reply-To: <200702211441.29405.pablo.fernandez@rs.com.ar>
References:  <200702202021.55723.pablo.fernandez@rs.com.ar> <200702211039.51601.nvass@teledomenet.gr> <200702211441.29405.pablo.fernandez@rs.com.ar>

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On Feb 21, 2007, at 9:41 AM, Jos=E9 Pablo Fern=E1ndez wrote:
>> This might be an MTU problem. Is the MTU set to 1500 everywhere?
>> You can try using a smaller MTU - like 1400 - on two computers,
>> try a transfer and if that works, you'll have to check the
>> switches involved.
>
> Where is/should the MTU be set?

You can do "ifconfig re0 mtu 1400" directly from the command line =20
(replace "re0" with whatever nic's you have), or configure it in the =20
ifconfig line(s) in your /etc/rc.conf.

>> Also, what's going on when you disable pf?
>
> When I disable PF I can't reach outside because that is what is in =20
> charge of
> NATing, but I can reach the other network, and the copy just works.

Perhaps try commenting out your "scrub in" line, and see whether PF's =20=

re-writing of the packets is screwing something up....

--=20
-Chuck




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