--- On Thu, 7/5/12, William Herrin <b...@herrin.us> wrote: > From: William Herrin <b...@herrin.us> > Subject: Re: job screening question > To: "Jon Lewis" <jle...@lewis.org> > Cc: "nanog@nanog.org" <nanog@nanog.org> > Date: Thursday, July 5, 2012, 6:43 PM > On Thu, Jul 5, 2012 at 9:28 PM, Jon > Lewis <jle...@lewis.org> > wrote: > > You've never (much less recently) seen a customer > misconfigure their end of > > an ethernet handoff such that you end up with duplex > mismatch? Granted, in > > that case, distance is irrelevant...but it is half > half-duplex ethernet :) > > If I was asking an ethernet question, I'd rather ask: > > 1. How do you make a crossover ethernet cable to connect two > switches? > (cross the green and orange pairs) > > 2. What happens if you plug that cable into a pair of > gigabit ethernet > switches? (mdix malfunctions, ports negotiate to 100 full, > on some > poorly implemented switches the mix of straight and crossed > wires > eventually damage the ports so they can no longer do gige) > > Regards, > Bill Herrin
Or for that matter, in the absence of auto-MDI/MDIX: 1) when is a straight-through cable *required*? 2) when is a cross-over cable *required*? How about another HR-Question: what do 0.0.0.0/1 and 128.0.0.0.0/1 as static-routes accomplish? ./Randy