[NTLUG:Discuss] New findings on cable modem issue

[Patrick Parks]

On 17 Aug 2001 14:12:04 -0500, Mark Bickel wrote

> > 
> > A hub will operate at the lowest common speed, so if you have a 10mbs
> > cable modem and a couple of 100mbs computers, the hub will slow things
> > down to 10mbs (if the cable modem is active at the time).  A switch
> > operates at the best speed possible, so your two 100mbs computers will
> > talk back and forth at 100mbs, while the cable modem will still only
> > talk at 10mbs.
> > 
> > ...Ken
> 
> A switch does not necesarily have to provide dual-speed or auto-sense
> capabilities, although very many of them do. Also note that dual-speed
> hubs must buffer input from a 100baseT to a 10baseT NIC. When that buffer
> fills the hub must tell the faster NIC to stop transmitting. Throughput
> therefore will always be limited by the slower NIC.
> 
> Mark.Bickel at ericsson.com
>  
> 
> _______________________________________________
> http://www.ntlug.org/mailman/listinfo/discuss

-- Thanks, I think I understand the difference now, and I definately
notice a difference!
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|     Patrick Parks      |
|  www.patrickparks.com  |
|patrick at patrickparks.com|
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