At 10:10 AM +0100 6/27/05, Simon Royal wrote:
Hi

We are running a small network of 5 macs, 1 printer and an ethernet hard disk on
our network at work.  Currently we using a 10/100 Hub and it is struggling.

I have convinced 'the powers that be' to buy us an Ethernet Switch. I asked for
a 10/100/1000 Switch, but am being queried about it being necessary.

My understanding is, if all our machines have 10/100 then a 10/100/1000 Switch
would still be useful. If 3 machines are accessing the ethernet disk on a 10/100
Switch then will this slow it down to 33Mps?

Surely a 10/100/1000 switch will allow 3 10/100 machines to connect at full 100 each, but our peecee tech guy is saying that if our network cards in our Macs are 10/100 then the 10/100/1000 switch will only run at 10/100 however many machines
are running on it.

Hope this isn't too confusing.

The question is a little pointless as I found out 2 of the machines have
10/100/1000 ethernet cards, but I would liek to know the answer, just to see if
he is right or being tight.


If all the connections to a 10/100/1000 switch are a maximum of 100BaseT then the only advantage the switch MIGHT buy you is that it might be faster switching packets. This would only matter if your traffic is so heavy as to max out a lesser switch.

So you the tech guy is right.

1000BaseT is only going to help you if it's on the server (and the server can really make use of it). If the "Ethernet hard disk" is your only server (the printer shouldn't be a problem) then that will be the choke point. If it does support 1000BaseT then the 10/100/1000 switch might make sense.

Generally a 5 computer network is only going to benefit from 1000BaseT if you have some significant traffic on it, as in large files.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

"I'm a designated driver on the Information Super Highway"

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