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70 posts

Master Geek

#84734 7-Jun-2011 11:15
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I am in need of some desperate help here.
I have recently purchased a tp-link td-8960n modem/router to replace my standard thomson telecom router.
The day I got it (roughly 1 month ago) I had real trouble setting it up to work with any wireless device.

I go through the setup entering the Telecom settings: VPI 0, VCI 100, PPPoA, VC/MUX, my telecom username with on the end, and the correct password. I set the encryption to wpa2-psk, save and reboot the router.  Once the router has rebooted I can access the internet no trouble through my wired windows 7 computer.  But in the house there is an iphone, ipad 2, and windows xp laptop, of which none can connect to the wireless network. They can all see the network, enter the password, and I get 'unable to join the network' type messages.

I tried setting up the router using the supplied cd-rom and also by logging in to the router through the web browser and using the quick setup function.  I tried both ways over and over, and eventually it began working, everything could connect to the wireless network.  As far as I could tell I entered the same settings as the first 20 times.  Nonetheless, it worked and has worked since until 3 days ago.

I was messing around and changed the dhcp lease time, and all of a sudden nothing can connect to the wireless network anymore.  I changed it back, reboot, still won't connect.  I have since restored to the factory defaults, re setup the router using the cd-rom and quick setup method about 30 times over.  I have tried it with no encryption set, with wpa-psk, with wpa2-psk, no matter what I put, nothing can connect to the wireless network, yet my wired pc can still connect to the internet.

What else can I try? What else am I missing? It has been working so I know it works, it just won't now.

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8035 posts

Uber Geek


  #478537 7-Jun-2011 13:37
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Sounds odd, might be running old firmware if the unit was sitting in the suppliers warehouse for ages. What is the firmware version on the status page?

You can try run inssider on your WinXP laptop, which will show you a bunch of info about wireless networks around you

Post some screenshots if you can.


70 posts

Master Geek

  #478570 7-Jun-2011 15:25
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Firmware Version:
1.3.6 Build 100825 Rel.68770n
Hardware Version:
TD-W8960N v1 0x00000001

From what I can see on the tp-link website this is the latest firmware. Just to be sure I downloaded and installed the most recent on their site and the device info still said the same as above.

Here are 2 screenshots from the suggested programme. My network is agnes1. Any thoughts?

I have emailed tp-link support.  So far they have suggested disabling QSS and changing the channel from auto to 6. That hasn't helped either.


7758 posts

Uber Geek


  #478578 7-Jun-2011 15:41
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Hi, I have installed a few of these recently, no issues, although as Ragnor says I have struck ones with older firmware that did have issues, but upgrading to the lattest always fixed issues, although none were WiFi related.

I suggest you stop playing with random items like DHCP or ADSL interface details etc as clearly the router is working in that respect as your wired connections work.

I suggest you try once again to turn off all encryption, start with the defaults. Also try turning off UPnP.


Edit and sorry but my eyesight is failing is your network the red one at channel 1 or the 40MHz white one based on Ch6, if the latter then shut it down to 20MHz, many devices struggle with 40MHz APs


70 posts

Master Geek

  #478593 7-Jun-2011 16:02
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Seems I might have been a little too quick with that last comment.  I rang Telecom to double check I had the correct ppp username and password, and I didn't have .xadsl as part of my username (yet my ethernet pc could still get on the internet, how does that work?)  Adding that in didn't fix it, but then I again disabled QSS and changed the channel to 6, and now all seems to be fine <touch wood>

So a bit of a boo-boo not having the .xadsl part, but how come I could still get on the internet on a wired pc?
Regardless, I'm not going changing anything else anytime soon!

And Cyril, my network was the red line, apologies for the small pics.


70 posts

Master Geek

  #478610 7-Jun-2011 16:34
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Of course, I don't recall ever putting .xadsl the first time round either which could be why it didn't work to begin with then, but it did eventually work and work well...

1574 posts

Uber Geek

  #478672 7-Jun-2011 19:05
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I believe you can also use
password: abc123

which should work as well.

I think telecom have been authenticating DSL/PPP connections by phone number, which means the above should work.

7758 posts

Uber Geek


  #478676 7-Jun-2011 19:11
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I think that if you are on a EUBA connection that anything entered in the PPP authentication field will be accepted as authentication is not CHAP/PAP but port based (DHCP Option 82).

As such if this was the case you could have entered Santa's personal credentials in their and still got action, so maybe that was just a red heering and something else as mentioned was a-miss



21398 posts

Uber Geek

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  #482928 19-Jun-2011 21:14
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Hi Cyril

I just posted a thread on wifi dropouts on my new TPLink WR8960N, just seen your older post here.

I set it to 40Mhz so I will drop that back to 20Mhz as per your comments.


FYI, the wifi is lost, the laptops wont show the the TPLink at all, it will then appear after a bit. But the wifi light on the modem is on. I expected that light to go off actually.

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