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Date:      Tue, 28 Nov 2006 20:47:32 +0200
From:      Vladimir Terziev <vlady@gbservices.biz>
To:        freebsd-net@FreeBSD.ORG
Cc:        freebsd-hackers@freebsd.org
Subject:   FreeBSD-6.1/amd64 bge(4) driver performance problems
Message-ID:  <20061128204732.3e8790fd.vlady@gbservices.biz>

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	Hi,

	i have a machine with Pentium 4-D processor utilizing FreeBSD-6.1-RELEASE-p10/amd64.

	The machine is running SMP kernel.

	The machine has 2 on-board Broadcom BCM5721 NICs, which are handeled by the bge(4) driver and 4 D-Link DL10050 NICs, which are handeled by the ste(4) driver.
	Machine is targeted for a gateway/firewall and will handle a big amount of network traffic.

	It seems the bge(4) driver has severe performance problems (may be especially in my configuration).
	I tried test scp(1) to a remote machine, using one of the BCM5721 NICs. The average speed which has been reached was 200kBps.

	Just for comparison, when i tryed the same test scp(1), to the same remote machine, but using one of the D-Link DL10050 NICs, the average speed which has been reached was 10MBps.

	Could someone point me to a good performance tuning document for bge(4) handeled NICs, under SMP kernel or at all?

	Thanks in advance!

		Vladimir



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