I'll be setting up a dedicated 33.6k PPP connection for a short-term project
(Until the DSL line is installed). I want to do whatever I can to optimize
the connection for the best performance. Here's what I have to work with:
Two Linux boxen (one on each end), one is a P120 8mb RAM, the other is at
least a P60, 8mb RAM, I'll see if I can find another P100-P133. One (the
P120) is running Linux 2.0.37 (cannot run 2.2.x due to the legacy ISDN card
we're using... d'oh!). The P60 box will be running 2.2.x (unless there's a
specific reason to use 2.0.x).
I have quite a number of USR Couriers at my disposal, both 20.16Mhz and
25Mhz models, some 33.6, some 56k, all external, and I'll be using one at
each end of the line.
One end of the connection is terminated off of the POTS port of a BRI, the
other end is a standard POTS line. I would get an I-Modem to terminate the
BRI end, so we could do 56k rather than 33.6k, but for 3 weeks, it hardly
seems worth the extra cost for a slight advantage in only one direction,
unless someone wants to offer me a good deal on a Courier I-Modem. :-)
Question is... how can I best optimize the PPP connection for best
performance? Shall I use some of Linux's software compression (namely
bsd_comp)? If I use Linux's compression, should I disable the hardware
compression on the modems?
Which model of Couriers should I use? Will I get better performance to
use the same firmware revisions on both ends? Shall I use 25Mhz or 20Mhz
models?
Yeah, it probably sounds like a lot of nitpicking... but oh well. :-)
Thanks for any feedback.
--
Ethernet (n): something used to catch the Etherbunny.
--
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Jonathan Hall * [EMAIL PROTECTED] * PGP public key available
Systems Admin, Future Internet Services; Goessel, KS * (316) 367-2487
http://www.futureks.net * PGP Key ID: FE 00 FD 51
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