Sberla  wrote:
> I have a desktop with an static IP and another with DHCP; on the first
> one, i must enter only the IP address (es. 192.168.0.151), on second i
> can connect also with hostname (es. pi151).

The difference is probably that the one with a static ip also has a fixed
external dns (from your isp or google etc), while dns queries of the one
with dhcp get handled by your router: external ones relayed to your
external dns and local queries translated to the right computer in your
lan, which is what you want. So you might be able to fix it by changing the
dns address of the static ip computer to your router’s address.

You might also be able to reach local hosts by name if both ends and your
router support zeroconf / avahi / bonjour. For the rpi, it’s in the
standard repo under “avahi” and for Windows you can install Apple Bonjour,
but like I said, your router must be able handle it (mDNS). Every modern
router does, afaik, but I have an old cable modem here which doesn’t.

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