K values and passive interfaces

- [Chris] A couple of labs for you in this video,…one short, one long,…and we're going to start with keeping your K-Values consistent.…And I've got quite the understatement here on the screen.…The need to change EIGRP's metric weights is very rare.…Well you could go your entire career…and not really have a good reason…to change the metric weights.…Cisco actually warns you against doing so…in several of their online command references…and PDFs and whatnot.…Having said all that, that's the disclaimer.…But on the very rare occasion where you change these values,…you have to keep them consistent…between existing or future neighbors,…or your adjacencies will no longer be existing…past, present, or future.…

And I'll use the metric weights here on router two…to show you exactly what I mean.…And we'll go with type there.…And then you've got your K1 through K5.…So I'm just going to…pull some numbers out of my ear.…And there you go.…So apparently, we have one neighbor.…

And we can see neighbor 172 12.…Let me scroll over just a little bit there.…