Roger C. Scudder Jr. on Mon, 26 Apr 1999 22:57:13 -0400 (EDT)


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RE: major collision, nobody hurt


Jason...
The April issue of Linux Journal has an artical about networking that mentions
what collisions are and how they happen.  Unfortunatly my copy is at work
so I can't quote.  As I recall, collisions are very normal, and to some extent, 
may occur more or less often depend on several variables, including the type 
of network.   ....try to read the artical, it's very interesting.

Jason Staloff [SMTP:jstaloff@libertynet.org] wrote:
When I'm using ftp locally, my hub's collision lamp lights up
intermittently. Sometimes it just blinks rapidly, sometimes it's on solid
for a few seconds at a stretch. Overall I think it's lit about half the
time or a little less. However, the speed of the transfer is nice and fast,
and the collisions don't seem to impede it.

The setup: Mandrake 5.3 on a P200; MacOS 8.5.1 on a G3/300 with an
excellent new ftp client called Transmit; and my $33 hub which is not the
fanciest but has never given me any problems. The cabling is all pretty new
and correctly wired. The hub is also uplinked to another hub with very
little activity on it, and an ISDN router lives on the lan but is not
configured to do anything but go outside to fetch non-local resources.

So, is this collision thing as abnormal as it looks? What could be causing it?

TIA. JAS

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