Thanks for your suggestion
I increased the TCP_SND_BUF to 32000 and PBUF_POOL_SIZE to 16, and the tx
and rx ends are fighting now, trying to resolve the tcp window update, it seems
please see http://www.dataq.com/chen/new.cap
What is the rule of thumb to set up these two parameters? Can the first be
be larger than 32K?
>>>>>>>>>
> >The above two settings are much too small to expect decent throughput,
> >and almost certainly explain the poor performance in the 2048-byte-write
> >capture you sent. You can probably get away with leaving TCP_WND alone
> >if you're acting purely as a sender of packets, but TCP_SND_BUF should
> >be as large as you can make it.
>
> Kieran, can the PBUF_POOL_SIZE 6 also be a problem?
Yes, especially once the TCP_SND_BUF is made larger.
Kieran
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