Cem
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Keenetic
Hero DSL
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The Bufferbloat Problem
Cem replied to PriSonerS61's question in Community Support & Knowledge Exchange
Yes, I have noticed that. Thanks everyone for contributions! -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
Keenetic Turkey service told me adjust my DSL configuration like below and I did. 12 hours in and you can see the FEC / CRC values... Connection did not drop but speed decreased dramatically in the meantime -- and there was not really a internet usage. Any updates on this issue @admin @sergeyk? -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
17 hours in... Unusable internet connection. Does not work for me. Attaching CRC / FEC report below. 20.02.22_ndm_dsl-statistics.csv -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
This is the custom firmware he was given from the Keenetic service, which he claims "1.5 months of work." KN-2410_custom_3_07.C.2.0-1_firmware_3.bin -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
Frantic from forum.turk.net provided me the test firmware and the screenshots below that how the firmware affected his connection. I also began using the test DMT firmware today. I will see how it goes with my device and line. Reports from Frantic (not mine) Version 3.6.12 - No connection drop or much CRC Version 3.7.2 - Intense CRC, connection drops Version 3.7.2 DMT TEST firmware - Low CRC but not perfect! Can we agree this is a common problem that occured after 3.7 version for KN-2410 users connected to Broadcom chipset VDSL cabinet? Please fix it and include it in the next stable versions. Thank you! -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
Ok, I found something. My problem might be due to the software of the modem. @sergeyk @admin @PriSonerS61 Please check the link: I also get ton of CRC too. https://forum.turk.net/t/milyonlarca-crc-hatasi/21199/48 ndm_dsl-statistics (1).csv -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
Yes, I pointed TurkNet countless times that my Line Attenuation values are high and so my connection is not stable. At first they sent Turk Telekom team to check what's wrong. I wasn't at home that time and Turk Telekom dude called me and convinced me to agree there is no problem on the Line and Line Attenuation doesn't matter at all. 😂 Senin hat 35 destekliyor falan dedi. Hatta ben ADSLden çıkmamalıymışım falan... I couldn't counter convince him and had to hang it off. I am quite sure my indoor plumbing is flawless. There is no attachment, no splitter on the cable and it's new. Unfortunately it's the second possibility. And they won't do shit. -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
No, I haven't opened a request. But my DSL crash reports have been sharing with them, I guess? Because I have Line Disconnect Reports and Product Improvement Program enabled. On the first installation, BITSWAP, SRA, G.INP, G.VECTOR AND UPBO and all the VDSL profiles were enabled. I could not see any entry for LCP in the system logs. I am on 3.7.2 stable version. -
VDSL2 connection always drops even on 15dB SNR
Cem replied to Cem's question in Community Support & Knowledge Exchange
Yes. But I prefer SRA turned off, because my speed drops to kilobytes in the next hours. Actually last night I have enabled SRA and G.INP and set SNR to 15dB. DSL diagnostics Connection speed 53927 kbit/s Fast.com test 7.4 Mbit/s -
VDSL2 connection always drops even on 15dB SNR
Cem posted a question in Community Support & Knowledge Exchange
Hello, I am using Keenetic Hero DSL (KN-2410) in Turkey. My ISP is TurkNet and the connection is VDSL2 17a. My internet speed/package is 75MB/s download and 8MB/s upload. NMS hardcapped at 79MB/s. I am 400 meter away from the DSLAM. There is no splitter or a reglet. Now, the problem is: Unstable and dropping connection. As I said in the title, connection drops even on 15dB SNR. I read 8dB is the minimum SNR for a stable connection. Connection won't last a couple minutes on 8dB. And I think Signal attenuation for upload is wrong because after a while (once connection matures) it shows 26-27dB. I think the latter is the real value. I have seen Attainable Speeds above 100MB/s for download and 35MB/s for upload in the first weeks of my VDSL transfer. I was using ADSL2+ before. ISS won't help because they say my line supports maximum of 46MB/s download. I told them that even on this rate my connection drops and sent them DSL crash reports, no help or resolve. And I believe my line can handle 100Mb/s download speed...But I would be happy with a stable 75Mb/s download too... You can see my DSL settings below. I am trying to get stable and maximum speed connection by tampering with these settings, but I have not been successful. So what are my options here? There is no help on the ISS side. And I am pretty much limited with my modem configuration for the last resort. Please also see the DSL disconnect report and DSL performance report below: Dsl0_disconnect_report_5.12.23.5_B_A60901_Feb_14_19_19_32.zipDsl0_performance_report_5.12.23.5_B_A60901_Feb_15_01_32_16.zip Thank you in advance for your interest and insights! -
The Bufferbloat Problem
Cem replied to PriSonerS61's question in Community Support & Knowledge Exchange
Actually, speed limit/shaping for the DSL connection in Connection Priorities won't limit the speed. It doesn't work. I limit my speed adjusting SNR value though. Doesn't make a big difference. I am on 3.8.5 version. -
Cem joined the community
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The Bufferbloat Problem
Cem replied to PriSonerS61's question in Community Support & Knowledge Exchange
Hello, I have tried this. Bufferbloat test (specially on upload side) has improved dramatically but there is a problem with classification with GeForce Now which is tagged as Other where it should be classified as Gaming. How do I fix that? And what are the other tips I can improve cloud gaming with my Keenetic Hero DSL modem? Thank you in advance.