Richard, that looks like a gem! We should all have one of those. Thanks, Marc
"Larkin, Richard" wrote: > > A much much much easier way is to use a PC, load the dummynet image on a > floppy disk, then in about 5 minutes with the right configuration, you have > a simulated WAN, including bandwidth and delay. > > Dummynet works on FreeBSD or, as we do, you can download the version that > fits on a floppy and boot from it. We use it to teach our application > developers the hard lesson that not everyone has 100Mbps link to the > servers, most sites have 64kbps. > > Rik > > -----Original Message----- > From: s vermill [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, 18 December 2002 6:40 AM > To: [EMAIL PROTECTED] > Subject: Re: Perhaps O/T: Window TCP Rcv Window [7:59400] > > Marc Thach Xuan Ky wrote: > > > > Are you trying to make the window smaller? > > rgds > > Marc > > Yes. I was hoping to set up a demonstration on the impact of high > bandwidth*delay product networks without actually having a high > bandwidth*delay product network. By artifically enforcing a small rcv > window, I should get about the same result. > > Thanks Marc, > > Scott > > > > > s vermill wrote: > > > > > > On a W2k machine, I've tried several different > > recommendations for adjusting > > > the TCP receive window size. None of them, including those > > directly from > > > Microsoft, seem to have any impact. I'm capturing my own > > traffic and my > > > advertised window is always in the 64k range. > > > > > > I've tried editing the \tcpip\parameters to include > > 'TcpWindowSize' and > > > 'GlobalMaxTcpWindowSize' - neither of which had any effect. > > I've tried > > > editing \VxD\MSTCP to include 'DefaultRcvWindow' - also no > > effect. > > > > > > Anyone know how to manipulate the rcv window that my machine > > will > > > advertise. For that matter, what about the other MS OSes? > > XP? Win98? > > > > > > Thanks all, > > > > > > Scott Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=59420&t=59400 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
