Stuart McLachlan
stuart at lexacorp.com.pg
Fri Mar 23 19:38:40 CDT 2012
Hey John, Did you get to the bottom of this? I just came across a llink to a Hotfix that may be required. http://support.microsoft.com/default.aspx?scid=kb;EN-US;983528 The TCP receive window autotuning feature does not work correctly in Windows Server 2008 R2 or in Windows 7 ... When you use the TCP receive window autotuning feature in a TCP connection, you notice that the feature only works for a while and then stops working. Additionally, you experience slow performance when a large amount of data is transferred over the connection. ... -- Stuart > I have a network which consists of a set of three gigabit switches. When I transfer files between > servers at either end I get 11 MByte / second transfer speeds. > > NOT good! > > Unfortunately I don't know how to troubleshoot this. I have simple a cable tester and the cables > test OK, although that is truly only a connectivity test, not a test of the quality of the signal. > > I used to have a little program, a server on one end and a client on the other. The server would > send stuff and then you could run the client on any other computer and see the network "quality" at > the client end, wherever that might be. > > I can't remember what the program is and I am looking for something quick and easy. Of course > nowadays everyone wants to test internet stuff. > > Does anyone know of a simple client / server kind of thing that allows me to install the server on > one end and the client on my laptop and just walk around connecting my laptop to switches to try and > determine where my problem might be? > > -- > John W. Colby > Colby Consulting > > Reality is what refuses to go away > when you do not believe in it > > -- > AccessD mailing list > AccessD at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/accessd > Website: http://www.databaseadvisors.com >