Hello,
Once you have successfully logged into the Huawei HG8245W5 you be placed on the Status page. The first step to changing your IP Address, the address you can actually see while inside the network, is to click the tab at the top of the page labeled LAN. This gives you new options on the left of the screen, click the one labeled LAN Host Configuration.
On this new page, there is only one thing available to do, change your IP Address. Click the box marked IP Address, and enter the new address you have chosen for your Router. We would like to recommend using the address of 192.168.0.1 or 10.0.0.1
Before you exit this screen, make sure to click Apply.
Possible Problems when Changing your LAN IP Address
When you change your LAN IP Address you are making a fundamental change to how your network functions and all computers on your network will be affected. You will lose your Internet connection when you apply these changes. Your router may reboot and require a couple of minutes to start responding again.
Also note that some computers may need to be rebooted after you make this change before they can talk to the router or on the Internet again.
Thanks