On Fri, 8 Feb 2002, dek wrote:
> really?? sorry this "warning:" is very new to me, to be exact this is the
> first time i heard of such thing, can you give a url or anything that would
> support this malfunction . i dont see any logical reason for this
> mulfunction but please do give a url/documents or anything that would
> support this..
>
the answer revolves around MDI (medium dependent interface) & MDIX (MDI
crossover) ethernet port types.
usually hub/switch ports are configured as MDIX while nic ports are
set as MDI. so when connecting MDIX-to-MDI ports (hub port to nic), you
only need a straight-through cable because there's already a cross-over
wiring on the MDIX port.
the only time you need a crossover cable is when connecting similar port
types like MDI-to-MDI (nic to nic) or MDIX-to-MDIX (switch port to switch
port) because you there must be only 1 crossover/twist between the
connecting ends so that an end's transmit side will always be the other
end's receive side.
sometimes though a hub/switch port is configured as MDI. then, you use a
crossover cable to connect your nic.
pong
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