On Jun 27, 2005, at 05:10, 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.
Simon,
The switch will run each link only as fast as the device to which it is
connected. Examples:
If your Mac has a 10/100 port and is connected to a 10Mbps hub, the
link will run at 10Mbps.
If your Mac has a 10/100 port and is connected to a 10/100 switch, the
link will run at 100Mbps.
If your Mac has a 10/100/1000 port and is connected to a 10/100 switch,
the link will run at 100Mbps.
If your Mac has a 10/100 port and is connected to a 10/100/1000 switch,
the link will run at 100Mbps.
If your Mac has a 10/100/1000 port and is connected to a 10/100/1000
switch, the link will run at 1000Mbps.
Of course, the switch cannot magically create bandwidth, so if you have
1 fileserver and 3 computers are accessing that fileserver at the same
time, they are sharing that 100Mbps link.
The beauty of a switch is that each port gets its own bandwidth and its
own port rate. That is the benefit of the switch over the hub, which
is a shared resource (all ports share the same bandwidth).
Daniel
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