This is too little information for me to provide any useful reply.
If I were you, I'd ask your ISP how to add a 3rd party router that:
If your ISP requires the use of VLAN tags, you can do the following:
If your Telstra modem also works as a router, put it in bridge mode, sometimes referred to as bypass mode, to avoid double NAT. More on that:
It's been a little while since we had any input here. I wanted to jump in real fast and see if you were still having troubles with the Telstra setup. Have you spoken with the ISP any more or learned anything new through troubleshooting? If you're still having trouble, let me know and I'll be happy to help.
@Chilli and @Mel7 I'm dropping by to ensure that everything is covered here. How's it going with your Nest Wifi? Were you able to read the information and suggested steps above? In case you have an update, you know where to find us.
I appreciate your help, olavrb and Jeff.
Thanks for that, I’ve still had no luck and am struggling to find the time to sit on hold with my ISP. I can repost if I ever get the enthusiasm back for this product. It’s not doing what it was sold to me as it would do, easy, no complications, will just connect to my Telstra and happy days. I specifically said I was not good with IT and did not have time to much around. May as well have burnt $250