Re: switch or hub

["nadzukir" <nadzukir@xxxxxxx>]

The other benefits of a switch is improved bandwith because of the 
ability to run full duplex as well as the ability to mix 10/100 Mbps 
links (ie have some computers running at 10Mbps & others at 100Mbps -
assuming you a switch that supports both 10 & 100 Mbps).

Claude
--- In ukha_d@y..., "Kevin Hawkins" <lists@u...> wrote:
> Hi local,
> 
>     Essentially a hub is just a repeater for a
network, anything it 
receives
> on one wire it sends out on all the others, the effect is that 
every wire
> carries everything on the network. Similar to a room where everyone
talks at
> once and can hear each other, individual conversations are still 
possible
> but they get more difficult as more people get talking.
>     A switch is more intelligent in that it only
send things out on 
each
> wire if they have an intended destination on that wire. If for 
example you
> have two computers talking to each other then that information only
appears
> on those two ports. It is sort of analogous to the telephone 
exchange
> system. The effect is a much better utilisation of network 
bandwidth and an
> 8 port 10Mbps hub could theoretically handle 4 simultaneous 
conversations
> each at full 10Mbps speed.
>     If you are already having network problems a
hub may or may not 
improve
> things - as they are more intelligent they can get upset quicker by
some
> network issues e.g. multiple ip address conflicts, however they can
also
> isolate problem legs themselves. I would recommend tracking down 
the problem
> as it is likely to still be there if you use a switch.
> 
>     A switch is a much better solution and they
used to cost way 
more than a
> hub - but no more - I would recommend tracking down the problem 
though as it
> is likely to still be there if you use a switch.
> 
>     Kevin
> 
> PS One side effect of a switch is that you cannot 'snoop' on a 
network
> branch easily. I had intended to watch UDP packets travelling 
between the
> SliMP3's and the mp3 server to pick out the infra red remote codes
in
> transit but of course they only exist on those two legs and not the
whole
> network ! ... DUH!

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