Thank you very much... What values are recommended for diferent situations ? for a Vsat link ? ADSL ? LAN ? ... and so on... is important to set this value on linux ? If you have a URL to get more information, please post it . thanks again... andres. -> -> -> The TCP header has a 16 bits field that specifies (and now -> I'm quoting from the RFC 793): "The number of data octets -> beginning with the one indicated in the acknowledgment -> field which the sender of this segment is willing to -> accept." In plain english: how much "useful" data you can -> accept from the sender. -> -> > what is "tcp window size" ? -> > -> > thank you -> -> -> __________________________________________________ -> Do You Yahoo!? -> Tired of spam? Yahoo! Mail has the best spam protection around -> http://mail.yahoo.com -> _______________________________________________ -> LARTC mailing list -> LARTC@xxxxxxxxxxxxxxx -> http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc