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RE: Re: [lwip-users] Re: tx badnwidth


From: Kieran Mansley
Subject: RE: Re: [lwip-users] Re: tx badnwidth
Date: Thu, 05 Mar 2009 14:29:27 +0000

On Thu, 2009-03-05 at 08:48 -0500, Bill Auerbach wrote:
> >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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