Ascend Archive
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Re: (ASCEND) Net Medic and My Max 4K
Extra issue
I also had problems with LQM on Solaris 2.4, where Sun's PPP didn't understand
LQM, and you would therefore get thrown off by the Access Server. I don't know
if this is fixed in 2.5(6) (life is too short to test :-)...
John Hodson
> > Are there any ideal time values for LQM Min and Max with the objective of
> > reduced latnecy in mind?
>
> Certainly -
>
> A minimum of 1000 (that's 10 seconds) will still allow people with Ciscos
> or other routers to connect (if you take the default 600 a Cisco won't
> connect because by default it has a minimum keepalive period of 10
> seconds).
>
> A maximum of 6000 (60 seconds). This lets people who object to keepalives
> being switched on set their systems to negogiate 60 seconds so keepalive
> frequency can't demonstrably have any affect on their available bandwidth.
> :-)
>
> There are a couple of issues:
>
> 1. The present Windows CE (pen-computer) version won't do PPP if LQM is
> switched on (we have this in with Casio and Microsoft at the moment).
>
> 2. The Win95 built-in idle timer considers keepalives as "traffic," even
> though they're not (they're part of LCP, and consquently PPP). The Windows
> NT idle timer doesn't have this problem.
>
> It doesn't however defeat the Max idle timer (which has the correct
> interpretation), so anything you set in RADIUS will still take effect, and
> the keepalives won't show up as traffic.
>
> Experimentally, we've found an LQM minimum of as low as 300 (3 seconds) to
> be a good Quake-enhancer. :)
>
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