When dialing with one modem, things are fine, but as soon as i try and
initiate a Multiline PPP session, things slow down to a crawl.. i.e speed
decreases by 50% with both modems going.
im using ComOs 3.8b15 on the PM3, which i understand is the latest and
greatest :)
Michael
On Thu, 7 May 1998 drh@DRHilton.com wrote:
>
> I've tried it now on two different ISPs. In each case, I've used both ~b13
> and ~b15 releases on their PM3s. I've called from two different machines
> (P-II/300 & P-II-400) trying BSD 3.1 and Win98 (up to build 1900). In all
> instances, the modems were both Wisecom 56JS3(g) 56K internal KFlex flashed to
> the latest (non-V.90) firmware.
>
> In all cases, the results were always unsatisfactory if I allowed the modems
> to negotiate out to there highest individual performance levels. I have
> received the best results by locking both modems at 40 or 42k (by themselves,
> one will usually connect at 46 and the other at 42). The results improved
> even more when I reduced their DTE speeds to 57.6k. On one PM, I have to go a
> step further and reduce the MTU to around 750. On Windows, equal connect
> speeds seem less important than on the BSD box, but I do need to reduce the
> FIFO levels to the lowest to keep the CRC errors from going off the scale.
> I've tweaked the maximum performance to transfer rates of a little over 90k on
> the BSD and a around 100K from Win98 (I used compressed binaryies for
> testing). After tweaking in, I can say reliably on line for up to three days
> (which is the longest I've tried).
>
> Best,
> - drh
>
>
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