I have a TPG Huawei HG659 modem/router and I recently purchased a Google Nest router. The instructions are to connect the Google Nest router to the TPG modem/router. I have done this and tried all the restarts and power offs. The Google Nest router connects to the wifi and I am able to connect to the internet but for some reason, the Google Home App always fails connection to the Google Nest router. As such, I cannot update the router name, passwords or any other functionaility the Google Nest provides. I have read similar posts (different modems) that suggest the issue lies with the TPG modem/router configurations / firewalls. Can someone please help? ... View more