Pings to cellular are successful, pings to broadband are not at this time.
Swipe down on the settings tray. Where the Wi-Fi radio icon typically is, this should be replaced by an ethernet jack icon. Is it? You can click on it and it should read Ethernet Connect.
You should also see Ethernet Connected in the System Check page. Do you?
You can run a dual-path test by navigating to Settings > Advanced Settings > System Tests Dual-Path Ethernet Test. Is this an option? If so, what is the result?