Hi,

> Polling is not currently supported in the bce driver.

        OK.  That would explain it.  The man page for polling lists the
bce interface as a supported interface so I just assumed that it would
work.  Does anyone know if someone is working on polling support for the
bce interfaces in a Dell 2950?
         

> > Hi,
> >     We have just upgraded to a Dell 2950 for our main BGP router.
> > With the constant rise in traffic through the box, I have started to
> > notice some dropped packets so I figured I would take a look 
> > at putting
> > the interfaces into polling more to squeeze a little more packets
> > through them.
> > 
> >     I have added the DEVICE_POLLING and HZ=1000 to the kernel.  I
> > turned on polling for the bce interfaces and they pass 
> traffic at low
> > volumes (like ping tests).  If I put my fluke traffic generators on
> > either side of the box and try to ramp it up to even 100Mb 
> > (they are Gig
> > links) then the interfaces will stop responding.  Turning 
> off polling
> > will get them to respond again.
> > 
> >     I know that the bce support in still quite new.  Has anyone else
> > testing with polling and the bce interfaces?  Is there any more
> > information that I can get for the developers to help track 
> this down.
> > The system is not in production right now so I can use it 
> for testing.
> > 
> >     As another note... I added some Intel (em) cards into the box
> > and tested with them.  Polling worked great on them but I was 
> > only able
> > to get about 200k packets per second before it starts 
> > dropping packets.
> > Is this about what I should expect?
> > 
> > [root@ ~]# uname -a
> > FreeBSD  6.2-RC1 FreeBSD 6.2-RC1 #2: Tue Nov 28 18:10:56 MST 2006
> > root@:/usr/obj/usr/src/sys/INET-GW  i386
> > 
> > ---- Kirk
> > 
> > 
> > 
> > _______________________________________________
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> > 
> 
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