Is Terragraph product supported by ecCloud yet?
Firmware 1.3.0 and later on all devices (DN, CN, and CN-LR) now have the option in the local UI to enable cloud management.
Note at the time of this post, ecCloud does allow the devices to register but configuration of the devices and other features are still not ready yet so I would not advise putting MLTG Terragraph devices on ecCloud just yet.