Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

[Steve Bertrand]

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

Steve