Not much really happens except you are running it through another port. Does not make much sense to do something like this, but, nothing bad happens.
INCORRECT - Really BAD things happen. Most HUBS allow this to happen, as they auto-crossover these days, but as they are not switches, they do not run spanning tree, so you create a loop, traffic goes round and round, and your network dies. .
Last Wiki Answer Submitted: January 28, 2013 9:28 am by BlankReg12,265 pts.