Owen wrote: > Mikkel, I did the MTU' s o.k. but how do I do the mu's ? > > As for the initialization strings. I have tried the USER strings for the > appropriate modem using strings for software flow control (XON/XOFF) > without any change > I would use hardware flow control, instead of software flow control. > > My theory generated through ignorance. > I have tried both versions 10'1 and LE2005 using a variety of external > modems with various configurations. The results have always ended the > same. The sad light pulsates with a rhythm from fast to slow this is > repetitive then the rd light starts to blink. Packets are sent in spurts > of several seconds. The cs light starts blinking then everything stops > for three minutes or so then another spurt of packets. This is repeated > several times then all transmission ceases. > I don't think it is the software or the modems . This leaves the > computer. Being ignorant of the BIOS setup and the motherboard I > therefore suspect them via the process of elimination. > Any ideas? > This doesn't sound like a problem with hardware, and I do not think it is a BIOS problem. It sounds like dropped packets. The way information is transfered over the Internet, information is brocken down in to packets. The sending system will send so may of these before it stops and waits for the recieving machine to respond that it recieved them. The size of these packets is controlled by the MTU and MRU settings. The problem comes in when the packets are larger then the a system along the way can handle. When this happens, the packet is broken down into 2 or more smaller packets. Setting the MRU smaller stops this, because it tells the sending system to send smaller packets. (Max Recive Unit.) That way, the packet does not get broken up, and possible put back together wrong. It also means that you generate the proper acknolagments for the packets sent.
Normaly, using the default settings works fine - the size is actualy set by your ISP. But sometime the ISP is not sending the correct information, so they get set to someting bigger then the ISP can handle. My problem is that I am out of practive on using dialup, and I don't remember exactly how to tweek them. When I was using dialup, I didn't use KPPP for it, so that is also a problem for me. This why I am leaving most of this to peopel actualy using dialup. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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