Hi, Why don't you run an iperf test over the loopback interface with client and server on the same machine? It will tell you if the bottleneck is your hardware or that you need to look elsewhere. Shourya On Thu, 3 Mar 2005 19:14:44 -0800 (PST), sai narasimhamurthy <sai_narasi@xxxxxxxxx> wrote: > Hi, > I am using a Dell poweredge 2400 server , P3, 256 Mb, > 82546 EB GBE card, E1000. > I tried working with various very high window options > (w 32M etc) in iPERF ...but to no awail!! The > throughput saturates at around 140 Mb/s even for > jumbo frames.:( > I will revert to my older kernels and see if I get > somewhere, ...pl keep the comments comming! > > Sai > --- YOSHIFUJI Hideaki / 吉藤英明 > <yoshfuji@xxxxxxxxxxxxxx> wrote: > > > In article > > <20050303102036.44494.qmail@xxxxxxxxxxxxxxxxxxxxxxx> > > (at Thu, 3 Mar 2005 02:20:36 -0800 (PST)), sai > > narasimhamurthy <sai_narasi@xxxxxxxxx> says: > > > > > I just do not understand why the throughputs > > indicated > > > by IPERF on a GBE LAN is so very low!!! I am > > speaking > > > of throughputs around 50-100 Mb/s!! I understand > > all > > > > Please tell us your hardware (M/B, CPU, Memory, NIC > > etc.), driver, etc. > > > > --yoshfuji > > - > > : send the line > > "unsubscribe linux-net" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at > > http://vger.kernel.org/majordomo-info.html > > > > __________________________________ > Celebrate Yahoo!'s 10th Birthday! > Yahoo! Netrospective: 100 Moments of the Web > http://birthday.yahoo.com/netrospective/ > - > : send the line "unsubscribe linux-net" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
