Re: TCP performance on GBE LAN

From: Stephen Hemminger
Date: Fri Mar 04 2005 - 12:32:12 EST

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, keep the comments comming!
What is the output of 'lspci -v'? I have seen E1000 cards that claim
to be 64-bit PCI but really are only 32 bit.
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