From: Bill Davidsen <davidsen@tmr.com>
To: gshan <gshan@alcatel-lucent.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Big sized packets have been dropped strangly
Date: Thu, 05 Jul 2007 18:01:30 -0400 [thread overview]
Message-ID: <468D6A3A.3040101@tmr.com> (raw)
In-Reply-To: <468B642D.9030109@alcatel-lucent.com>
gshan wrote:
> Hey Guys,
>
> I got a strange problem recently but no ideas, so to post the question
> here. We have a FPGA what finish ATM AAL5 to ethernet frame, and CPU
> receives IP packets from it. The interface based on the FPGA (called
> sar0) has been bound with several IP addresses. When the MTU of the
> interface is configurated to 1500, trivial packets can be received, but
> big-sized packets are dropped. If the MTU is increased to 9500,
> everything is ok except the NFS connection. We mounted with another
> machine through sar0. When the MTU is 9500, the speed of the NFS becomes
> very very slow (it almost took 10 minutes to transfer 100KB files).
>
> I don't know why it is and how to solve it. Any suggestions are
> appreciated!
>
http://groups.google.com/group/fa.linux.kernel/msg/4434f7c5d38d9292
I think that's relevant.
--
Bill Davidsen <davidsen@tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
prev parent reply other threads:[~2007-07-09 11:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-04 9:11 Big sized packets have been dropped strangly gshan
2007-07-05 22:01 ` Bill Davidsen [this message]
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