Re: [lwip-users] TCP problem

[Alain Mouette]

May I suggest that a comment about this be added in the config file.

A special page on the wiki about configuring the many buffers in LWIP 
would be awsome too... This is a very obscure area in lwip config :(

Alain

David Shmelzer escreveu:
> Mine works now too.
> I was also having the same problem where the window size kept decreasing.
> Thanks all.
>
> Dave
>
>
> -----Original Message-----
> From: address@hidden [mailto:address@hidden On Behalf Of Jan Wester
> Sent: Tuesday, October 20, 2009 8:34 AM
> To: 'Mailing list for lwIP users'
> Subject: SV: [lwip-users] TCP problem
>
> Hi
> I change my WND to 1024 (2*MSS) and now it works
>
> Thanks Simon and Kieran for your help
>
> Med vänliga hälsningar/Best Regards
> Jan Wester
>
> WHI Konsult AB
> Scheelegatan 11, SE-112 28 Stockholm
> www.whi.se
> address@hidden
> +46 8 449 05 30
> +46 705 36 77 22
>
>
>
> -----Ursprungligt meddelande-----
> Från: address@hidden
> [mailto:address@hidden För Simon Goldschmidt
> Skickat: den 20 oktober 2009 10:53
> Till: Mailing list for lwIP users
> Ämne: Re: [lwip-users] TCP problem
>
>
> > WND = 512
> > MSS = 512
>
> Having WND == MSS is generally not a good idea regarding throughput because 
> that raises problems both with the nagle and delayed ack algorithm. You should 
> at least make sure the nagle algorithm is turned off when having WND == MSS, 
> although you can then still have problems with delayed ack of the remote side.
>
> Simon
> --