>>   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, [email protected]
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