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 i...@whi.se +46 8 449 05 30 +46 705 36 77 22 -----Ursprungligt meddelande----- Från: lwip-users-bounces+j.wester=whi...@nongnu.org [mailto:lwip-users-bounces+j.wester=whi...@nongnu.org] 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 -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/atbrowser _______________________________________________ lwip-users mailing list lwip-users@nongnu.org http://lists.nongnu.org/mailman/listinfo/lwip-users _______________________________________________ lwip-users mailing list lwip-users@nongnu.org http://lists.nongnu.org/mailman/listinfo/lwip-users