How widespread would you say the use of IS-IS is? Even more as to which routing protocols are used, not just in ISPs, what percent would you give to the various ones. In other words X percent of organizations use OSPS, Y percent use EIGRP, and so on.
-----Original Message----- From: Antti Ristimäki [mailto:antti.ristim...@gmx.com] Sent: Wednesday, February 15, 2012 10:47 PM To: John Kristoff Cc: nanog@nanog.org Subject: Re: Common operational misconceptions "IS-IS is a legacy protocol that nobody uses" 15.02.2012 22:47, John Kristoff kirjoitti: > Hi friends, > > As some of you may know, I occasionally teach networking to college > students and I frequently encounter misconceptions about some aspect > of networking that can take a fair amount of effort to correct. > > For instance, a topic that has come up on this list before is how the > inappropriate use of classful terminology is rampant among students, > books and often other teachers. Furthermore, the terminology isn't > even always used correctly in the original context of classful addressing. > > I have a handful of common misconceptions that I'd put on a top 10 > list, but I'd like to solicit from this community what it considers to > be the most annoying and common operational misconceptions future > operators often come at you with. > > I'd prefer replies off-list and can summarize back to the list if > there is interest. > > John >