If the username and / or password is unknown, then the configuration menu for the SBG6580 will be inaccessible. NOTE: If it is desired to only change the username, skip steps 3-4. If it is desired to only change the password, skip steps 1-2. In the drop-down menu, select Change Username. The Change Username menu will appear.
The ARRIS SURFboard SBG6580 is a DOCSIS 3.0 cable modem with built-in Wi-Fi. It's compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. If you are unsure about compatibility, check your ISP website or the ARRIS website to confirm.