[j-nsp] ISIS L1 and L2 adjacency

[Mark Tinka]

On 18/Jul/17 14:43, Aaron Gould wrote:

> Yes Saku, JNCIP-SP
>
> That's funny.  There's not a use case, but it's testable towards industry certification... lol  ...i love knowing that I spend valuable time learning something that there won't be real world needs for... dang, I just felt like I was sitting in algebra class in high school wondering what in the world am I ever going to use this for
>
> I guess Dave's answer about it just not being a requirement for L2 adjacency is good enough for me.

It's still always good to know that.

I know some networks that still implement an L1/L2 strategy.

I also know of a large, well-known single-level backbone, that
implements L1-only, strangely.

If you find yourself working in such environments, the knowledge will
prove useful.

Mark.