North American Network Operators Group|
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Re: MTU of the Internet?
On Wed, 4 Feb 1998, Dirk Harms-Merbitz wrote: > Could be related to dialup people wanting lower latencies in > multiplayer games. > > Dirk > > On Wed, Feb 04, 1998 at 12:05:29PM -0500, Perry E. Metzger wrote: > > > > Peter Ford writes: > > > Several people have noted to the Microsoft Support and Product groups that > > > they want the Windows 95 PPP MTU to be set to 576 (down from 1500). this > > > change is in Windows 98. > > > > > > The reason for this change cited by many customers is that many ISPs have > > > 576 MTUs set "inside" their networks and packets get fragmented. > > > > I know of no modern networking media in common use at ISPs that has an > > MTU below 1000, and have not heard of ISPs with MTUs that low. Also, > > the ISP's PPP could simply negotiate the MTU down -- it need not > > accept a large MTU, no matter what Windows would like. The entire > > story sounds, to say the least, fishy. > > > > BTW, if Windows 95 is doing path MTU discovery, it should all be > > irrelevant. > > > > Perry > brad reynolds [email protected]