On 2/15/12 21:04 , Kenneth M. Chipps Ph.D. wrote: > 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.
Using EIGRP implies your routed IGP dependent infrastructure is a monoculture. That's probably infeasible without compromise even if you are largely a Cisco shop. ISIS is used in organizations other than ISPs. > -----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 >> > > > > > >
