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Date: Mon, 30 Jun 2008 21:58:51 -0400
From: Steve Bertrand <steve@ibctech.ca>
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To: Mike Tancsa <mike@sentex.net>
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Cc: FreeBSD Net <freebsd-net@freebsd.org>, Paul <paul@gtcomm.net>
Subject: Re: Freebsd IP Forwarding  performance (question, and some  info)
 [7-stable, current, em, smp]
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Mike Tancsa wrote:

>>> The box in the middle doing the forwarding

If I can help in any way, a topo map of the setup that you are facing 
would be good. What do you have at either end. In the interest of 
pushing 500kpps, I have this, if it helps with troubleshooting:


em0@pci1:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet
em1@pci2:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet
em2@pci3:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet
em3@pci4:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet
em4@pci5:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet
em5@pci6:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet
em6@pci7:0:0:   class=0x020000 card=0x00008086 chip=0x109a8086 rev=0x00 
hdr=0x00
     vendor   = 'Intel Corporation'
     class    = network
     subclass = ethernet

Steve