TP-LINK Archer C9 NBN issue

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TP-LINK Archer C9 NBN issue

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TP-LINK Archer C9 NBN issue
TP-LINK Archer C9 NBN issue
2015-07-31 09:08:48
Region : Australia

Model : AC1900

Hardware Version : Not Clear

Firmware Version :
ver3-17-0-P1

ISP : Optus (NBN)


Hi there, I have a brand new TP-LINK Archer C9 that I purchased from Officeworks. Came unopened with the seals all in place etc.

When I plugged it all up and turned it on, it was broadcasting a wireless network very different to the default ones "Wellwebflowers" and when I connected to the ethernet and went to the config page, everything was pre-configured, including someones PPOE settings etc.

I reset to factory, configured as I needed, plugged it in to the NBN router.

No matter what I do, it refuses to get an internet connection from the NBN router.

I got it working once last night... accidentally. I plugged the NBN router directly into my laptop to look up the issue and download the latest firmware. I plugged the NBN lead back into the routers WAN port and noticed that the light went blue and internet started working on my wireless devices.

I hadn't changed any settings or powered off or on any devices.

I then tested and sure enough, the web interface showed a big tick for internet working. All my hard wired and wireless devices came to life etc.

This morning I ran the firmware update, reloaded the config file. It again refuses to connect to the NBN.

Only this time I cannot get it to connect again. It's been 3 hours and I've tried everything I can find online. I've spent 2 hours on the phone with Optus NBN support who have triple confirmed with me that the router only has to be set to get a dynamic IP on the WAN port for NBN to work.

As soon as I plug in their router, NBN works fine, as soon as I plug in a computer direct to NBN router it works fine, as soon as I plug in a crappy old wireless router from about 7 years ago, NBN works fine. The issue appears to be the Archer C9.

How can you sell this device as NBN ready if it isn't NBN ready?!? Please advise!
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Re:TP-LINK Archer C9 NBN issue
2015-08-03 16:03:15
Is there a battery in your NBN box?
You must have tried to restart NBN box and C9, right?
Ensure the NBN box has no power source including the battery. Power off C9. Power back on the NBN box and C9.
Have you tried MAC Clone?
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