seanadams Wrote: > Also, originally the 100m limit was based on time needed to detect > collisions on a shared link for the smallest possible packet. I.e. the > time to travel down the wire needs to be short enough that both ends > can see every packet in time to detect a collision. I'm not sure if > this a constraint any more with switches - I think it's just about > signal integrity now. I think that's the reason the fanout rule changed to 2 hubs between switches in 100BaseT. Hubs only regenerate the signal but don't change the "domain" within which collision detection occurs. Switches define new "collision domains" (I'm making up these terms - I'm sure there are proper ones but I haven't had enough coffee yet to remember them).
-- Michaelwagner _______________________________________________ Discuss mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/discuss
