Keeping your URL/IP constant for Remote Viewing/Access:
Now you have port forwarded your router IP, it is time to connect to it and view your cameras or access your equipment from outside. For this you want the network address to remain the same.
However many of the ISPs keep changing your IP (DHCP) - it is like you want to go home, but your home address keeps changing everyday and you don’t know what it is. Which means you need to figure out a way to work around this changing of IP address.
This is why you would need some solution like “Static IP” or “DynDNS (a.k.a DDNS)” service that provides constant network address (URL or unchanging IP address). Here is how you get to it: