> 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 > >