[c-nsp] show isis neighbors - system id shown

[sthaug at nethelp.no]

>>   is there a reason why ?
> 
> Looks to me like you are pretty fast in repetitive show commands :)
> 
> What actually may be happening here is that adj. comes up fast and at this
> point your router does not yet have the dynamic name. After some time it
> receives it from the neighbor via flooding in TLV 137 and then creates a
> mapping hence in subsequent commands you see the name.
> 
> Works as designed :)  Flooding that TLV may take a bit of time as well as
> your local system may not treat it as top important info.

I've seen the same thing multiple times on Juniper and Huawei routers.
I agree, this is working as intended.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no