> I ran iperf. I got 93.6 Mbps b/w (utilization). So, that's really > great. But, then on above performance we bought high end servers. > And then, > > Test 2------- Dell PowerEdge Rack Servers 2550 > Bridge Machine Spec: > Processor Intel PIII 1.26 GHz, 133 MHz bus speed > Cache size 512 KB > Memory 1 GB > Network Card Intel Corp. 82543GC Gigabit Ethernet, > Intel Corp. 82543GC Gigabit Ethernet > *Note* It had 2 BroadComm gig cards. But > unfortunately BroadComm cards don't work in promiscuous mode. So, we had > to put these 2 Intel gig cards, which only have module. (so as broadcomm) > > I ran iperf. I got very bad results. > TCP: 113 Mbps (with window size 32KB), so i increased window sized > by 64KB and i got 260 Mbps. But that's still low on Gig network. > UDP: It drops more than 1/3 of the packets. If i try to push 500 > Mb then i get around 150 Mb bandwidth and if i try to push 900 Mb then i > get 140 Mb. > > Any idea what is the bottlenack in above configuration ?
What kind of result does it give when the two Gig Test machine are Back to Back, without a Linux Bridge in between? David GLAUDE _______________________________________________ Bridge mailing list [EMAIL PROTECTED] http://www.math.leidenuniv.nl/mailman/listinfo/bridge
