The PIN is due to EU compliance. I agree its silly and that its an 8 digit pin rather than a 4 digit one.
[And that you need to have a PIN in the first place… but its the EU nanny state you can thank for this…]
I agree that there are issues w certain data being cached so that if your home network is bounced… you may have issues. However, there are some easy fixes to this if you can access your network’s config. Most home networks where you have DHCP, you can tie devices based on their MAC address to a specific ip address so that it always maps to that specific address. (That address is removed from the DHCP list of available addresses. ) This means that if you have a networking issue… the device will always have that address and still be configured for DHCP. An alternative would be to create a static IP address and then configure the ROSE device to always use that static address. Note that if you’re using your Internet’s provider’s equipment, you may need to contact them for assistance, or if you’re using your own AP you may need to contact that company or search online for ‘How To’ material.
HTH