Guide to Windows network performance tuning?

[srp336]

What's a good beginner's guide to tuning Windows network performance?

The company I work for has a link to another location in another city.
It's a full T1 plus 14 channels of another T1. Routing seems to be
working fine and the load is balanced between the two lines.

The problem is, there's quite a bit of bandwidth that never seems to
get used. I figure, with 38 channels (24 + 14), there should be a
maximum of 2432 kbit/s. A single copy operation, between W2K machines
on each end, seems to get an average throughput of 1400-1600 kbit/s. In
the middle of the night, on a mostly quiet network, we usually get
about 1800.

If I do two copy operations, I seem to be able to get 2000-2100 kbit/s,
which is more like what we were hoping for.

Is there any way to tune Windows networking to get it to use more of
the bandwidth that's there?

Thanks!

 

[Guest]

There are lot of bottlenecks involved when you transfer data at such high
speeds. everything from quality of cables, to connectors, to configuration of
your PCs. Copying is not the correct way to measure bandwidth. Use a prog to
send receive packets of specific sizes. copying will reduce speeds depending

 

[srp336]

Actually, measuring the bandwidth isn't the important thing. The
important thing to be is to be able to do a copy operation from Windows
explorer across these T1s and have them be as fast as possible (instead
of maxing out at about 75% of the total bandwidth).

Thanks!