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Author Topic: Hacking TP Link TD-W9970  (Read 10263 times)

banger

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Re: Hacking TP Link TD-W9970
« Reply #75 on: March 25, 2017, 03:38:54 PM »

It's not simpler, just different. Staying logged in brings its own set of difficulties. I did look at it some time ago and decided against it. Now, age and weariness combine to make it simply too big a job.

Have to say DSLStats 5.9, is a piece of work, the amount of options in it is amazing and really appreciate you making it available to the public. :)
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Currently on Fibre+ Pro 80/20 with Uno comms.

roseway

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Re: Hacking TP Link TD-W9970
« Reply #76 on: March 25, 2017, 03:58:42 PM »

Thank you :)
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  Eric

banger

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Re: Hacking TP Link TD-W9970
« Reply #77 on: March 25, 2017, 11:40:30 PM »

Well I am up to 1 day 4 hours 9 minutes router uptime and no login problems apart from one at about 7pm. Wireless still working well at a good speed around 216mbps. Fingers crossed it was a one off.
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ejs

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Re: Hacking TP Link TD-W9970
« Reply #78 on: March 26, 2017, 09:56:29 AM »

216 Mbps implies you are using 40 MHz of bandwidth (if it's really 2x2 hardware), which is not a good idea on the 2.4 GHz band, because all the channel are so close together. You've got channels 1, 6 and 11 as the usual non-overlapping 20 MHz channels, but if you try to use twice as much of the band, you're more likely to encounter congestion or interference. The max would be 144 Mbps using 20 Mhz (with short GI, 130 Mbps without).
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banger

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Re: Hacking TP Link TD-W9970
« Reply #79 on: March 26, 2017, 02:46:22 PM »

Today's speed is 300mbps, so I just set bandwidth to auto. It seems to work ok and I dont want to mess things up as DSLStats has now been up for 1 day 18 hours without a router login problem.

You know the saying "If it aint broke".
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j0hn

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Re: Hacking TP Link TD-W9970
« Reply #80 on: March 26, 2017, 03:32:07 PM »

I have a neighbour who's currently using channel 6 with 40mhz. To say it's annoying is an understatement. 2.4ghz throughput is useless in comparison to before this neighbours WiFi came along. It forces me to use 5ghz where devices support it. Their router must be set to auto channel as sometimes they use channel 1. This forces me to tweak my channel on a regular basis.

ejs is absolutely spot on, you should be using 1,6 or 11 with 20mhz.  If it ain't broke don't fix it may well be right in many circumstances, but you're likely having a detrimental impact on many of your neighbours as 2.4ghz has very few non-overlapping channels. If you're very rural and the only person nearby using WiFi it's perhaps not such a big deal. On an urban setting particularly with channel set to auto you could be crippling throughput for neighbours. If you must use 40mhz/auto (I don't see a reason why though) then you really should use 1 or 11 so others can use the opposite end of the spectrum.

You'll get better throughput using a free channel 1 with 20mhz than you would using a congested channel with 40mhz. The fact your pc/laptop might show you're connected at half the speed makes no difference.
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banger

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Re: Hacking TP Link TD-W9970
« Reply #81 on: March 26, 2017, 05:43:51 PM »

Modem now been up 1 day 21 hours and around 5pm it couldnt login for 10minutes so stats missing from DSLWebstats for 10 mins. Did nothing and it has logged back in and is again collecting stats from the WD9970.
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banger

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Re: Hacking TP Link TD-W9970
« Reply #82 on: March 26, 2017, 09:00:55 PM »

Have changed to 20mhz and it is saying 104mbps and Acrylic Wifi says I am taking up half the bandwidth with a max speed of 144.

Didnt reboot the router as it seems to still be getting stats with just one Login failed a few mins ago although I was playing with backup dialup.
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banger

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Re: Hacking TP Link TD-W9970
« Reply #83 on: March 27, 2017, 08:12:08 PM »

Have noticed a slight difference in Attenuation between web page gui (14.7) and stats in DSLStats stats window (19.9).
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roseway

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Re: Hacking TP Link TD-W9970
« Reply #84 on: March 27, 2017, 10:41:46 PM »

Do both refer to the same attenuation (i.e. line or signal attenuation)?
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  Eric

banger

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Re: Hacking TP Link TD-W9970
« Reply #85 on: March 28, 2017, 01:27:40 AM »

Line attenuation (dB):     19.9      0.0
Signal attenuation (dB):   Not monitored      
Connection speed (kbps):   47197      12533
SNR margin (dB):           5.9      6.0
Power (dBm):               11.2      7.3
Interleave depth:          1      1
INP:                       0      0
G.INP:                     Not enabled      Not enabled
Vectoring status:          5 (VECT_UNCONFIGURED)      
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roseway

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Re: Hacking TP Link TD-W9970
« Reply #86 on: March 28, 2017, 07:09:41 AM »

So DSLstats is reporting the line attenuation. To the best of my knowledge, signal attenuation isn't available directly from the CLI with VDSL2, and if you enable the option in "Items to Monitor", it will report "Not available on VDSL2". However it's possible that the GUI is reporting signal attenuation, which might explain the difference.

You can check what the CLI is reporting by looking at Telnet Data --> Stats. About a dozen lines down from the top on my system there's a line which simply says "Attn:" and as far as I know, this is line attenuation. If the CLI in your modem reports it differently perhaps you could let me know.

By the way, both line and signal attenuation are reported in the pbParams output (see that tab under "Telnet Data") but they're reported per band here, and not overall.
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  Eric

banger

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Re: Hacking TP Link TD-W9970
« Reply #87 on: March 28, 2017, 04:03:45 PM »

Yes the CLI is reporting it the same. Could it be a router bug?

Telnet O/P

SNR (dB):        7.3             5.9
Attn(dB):        19.9            0.0
Pwr(dBm):        11.2            7.3
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banger

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Re: Hacking TP Link TD-W9970
« Reply #88 on: April 13, 2017, 10:30:22 PM »

Lost wireless connection today to the WD9970 so a few gaps in my graphs. Been up for 7 days no problem keeping a 54/11 sync but not sure if its the router wireless that disconnected or my USB dongle.
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