Re: Config of my USERS FILE - ?? MTU ??

Jeff Halper (jefflist@ihot.com)
Sun, 3 Aug 1997 20:32:29 -0700 (PDT)

On Sun, 3 Aug 1997, Tom Samplonius wrote:

>
> On Sun, 3 Aug 1997, Jeff Halper wrote:
>
> > Here is my typical users file:
> >
> > user Password = "UNIX"
> > User-Service-Type = Framed-User,
> > Framed-Protocol = PPP,
> > Framed-Netmask = 255.255.255.0,
> > Framed-Routing = None,
> > Framed-Filter-Id = "std.ppp",
> > Framed-MTU = 1500,
> > Framed-Compression = Van-Jacobsen-TCP-IP,
>

> First of all, the netmask is wrong. You should either leave it out, or
> set it to 255.255.255.255
>

What sorts of problems would I be having with this incorect netmask? I've
been using it for a year and haven't noticed a problem yet. Will changing
it give increased performance?

> > I was told i could increase the user's speed on the net by changing the
> > MTU to 576. Any one have any feedback on this??
>
> A smaller MTU means more overhead, so things will be slower. However,
> some PPP drivers can choke on large MTU packets. Either way it doesn't
> matter, because the MTU is negotiated, so the client will get whatever MTU
> it asks for. You've got to hope that the client asks for a MTU that is
> best for it.
>
> > Thanks -
> >
> > -Jeff
> >
> > (PM2e30, LINUX, USR COURIER V.everything)
> >
> >
> > Jeff Halper
> > Internet Hotline
> > 408/881-1000
> > http://www.ihot.com
> > mailto:jeff@ihot.com
> >
> >
>
> Tom
>

Jeff Halper
Internet Hotline
408/881-1000
http://www.ihot.com
mailto:jeff@ihot.com