dummynet, em driver, device polling issues :-((

Gleb Smirnoff glebius at FreeBSD.org
Wed Oct 5 06:14:01 PDT 2005


On Wed, Oct 05, 2005 at 02:24:20PM +0200, Ferdinand Goldmann wrote:
F> >In one case, we had a system acting as a router. It was a Dell PowerEdge 
F> >2650, with two dual "server" adapters. each were on separate PCI busses. 
F> >3 were "lan" links, and one was a "wan" link. The lan links were 
F> >receiving about 300mbps each, all going out the "wan" link at near 
F> >900mbps at peak. We were never able to get above 944mbps, but I never 
F> >cared enough to figure out where the bottleneck was there.
F> 
F> Forgot to ask - do you have fastforwarding enabled in your sysctl?

If you enable fastforwarding, but do not disable polling, thiw won't
lead to any difference.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE


More information about the freebsd-net mailing list