How To Change IP Address of The Ethernet Interface 1. To change the IP address, please login to the web GUI: 2. Click ‘NMC Manage’, ‘Network’, on the left side panel you’ll see the Network configuration page: 3. Click ‘Config’ to change the IP address according to your network settings. Post navigationPrevious post: How To Select Variable Optical Attenuator (VOA) Type?Next post: How To Measure The Return Loss of A Fiber Optical Device