Hi all, I'm trying to set up a Deco S4 mesh to replace my ISP provided Huawei router, but having trouble.

I've followed the set up instructions through the app, connect the Deco to the NBN connection box, power both on.

When I connect to the Deco, the LED turns solid blue.

Select connection type PPPoE as specified by my ISP (TPG in Australia).

Enter my TPG username and password, turn on VLAN.

Name the wifi network and set password.

Deco LED turns solid red while the app says 'Creating your wifi network'.

When instructed to connect to the new wifi network, the Deco LED turns solid yellow for 30s and disconnects my phone, then back to solid red and I'm able to reconnect.

App then reads 'Unable to connect to the internet', if i press try again, it tests internet connection again and just loops back to the unable to connect page.

If selecting 'Skip this step', I get the 'Your Deco network is now up' screen.

From here, go to Internet Connection and toggle off 'Ignore Ping from WAN' per ISPs instruction.

A few minutes pass, Deco LED turns solid yellow for 30s and the wifi network disappears, then back to solid red LED, able to reconnect to Deco, still no internet.

At random intervals, this same cycle repeats, LED turns yellow, disconnect, back to red and able to reconnect.

Tried resetting Deco and going through the set up process a few times, still get same result.

Tried setting up using the other Deco units, but none of them behaved differently.

So I cannot connect to the internet, and the Deco seem to only want to stay connected for a few minutes at a time.

If I try connecting my computer to the internet through the old Huawei unit I get internet, so the issue isn't with the connection or ISP.

Any advice on how to proceed?