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  1. #1
    I get enough exercise just pushing my luck AOD Member AOD_VVoody_87th's Avatar
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    Default Any Network Engineers in here?

    Those who play with me on Battlefield know that I've been plagued by severe lag which normally occurs in early evening hours.

    I'm pretty certain I've isolated the issue to packet loss/severe delay at the ISP level which occurs in spikes intermittently and most often in the evening when my neighbors start streaming.

    Packet delays are hitting the 200+ and higher and sometimes sustained for a while with total packet loss occasionally exceeding 10% for a given period of time.

    I'm measuring packet loss using packetlosstest.com which seems pretty good for testing.

    I can run a speedtest and everything looks pretty normal with speeds hitting over 700Mpbs/30Mps (I have asymmetrical Gb "Gigablast" with Cox over standard cable) but with severe packet loss.

    I have isolated the problem to being external through normal troubleshooting and using multiple computers. I've even tested by loading the network during the day when things are good while testing and it still holds up fine. There is no correlation between LAN loads and the packet loss.

    I have a Arris cable modem and Netgear XR500 router running Dumaos. I've tried bypassing the router and changing the QOS settings but there is no correlation. Performance is very good even on a loaded LAN during off peak hours although I still log the packet loss it's just more intermittent.

    In gaming the lag appears as ping spikes from normal double digits into the 200+ range accompanied by heavy warping and inability to move or control the vehicle I'm in.

    I need suggestions on how to get Cox to pay attention or if they can even do anything about it. The neighborhood is about 20 years old and I suspect part of their gear may be that old.

  2. #2
    I took an IQ test and the results were negative AOD Member AOD_ShaggyFortune's Avatar
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    Default

    So I would call Cox and ask if they are seeing drops on your connection. They should then dispatch a tech for free. the issue might be a few things... cable connections above ground are starting to degrade and need new connectors put on. That fixed my recent issue which was the same as yours.
    Also it could be one of the head end units on your node is starting to fail. The techs would be able to identify signal level issues on your run and others around.

    I would get a tech out to verify your run from the modem to the box on the street and replace any cable connectors that can to see if they are failing due to age.

    Sent from my SM-G781U1 using Tapatalk
    Why walk when you can ride!

  3. #3
    I get enough exercise just pushing my luck AOD Member AOD_VVoody_87th's Avatar
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    Default

    Thanks,

    I forgot to mention they already dropped a new line to my house and tested the signal between the street and my modem which was very good. There was little to no improvement in performance.

  4. #4
    Knee High to a Worms Ass GavDaddy's Avatar
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    Default

    If you would like, DM me and we can schedule a time to figure all of this out :)

  5. #5
    I get enough exercise just pushing my luck AOD Member AOD_VVoody_87th's Avatar
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    Default

    Quote Originally Posted by AOD_GavDaddy View Post
    If you would like, DM me and we can schedule a time to figure all of this out :)
    Thanks. The culprit seems to be explained here. It's not a signal issue on my end but these two channels seem to be the problem:


    RF Parameters
    Downstream QAM
    DCID Freq Power SNR Modulation Octets Correcteds Uncorrectables
    Downstream 1 45 429.00 MHz -1.50 dBmV 40.37 dB 256QAM 51020615002 2 0
    Downstream 2 5 807.00 MHz -0.30 dBmV 40.95 dB 256QAM 70617922855 0 0
    Downstream 3 7 819.00 MHz -1.00 dBmV 40.37 dB 256QAM 483396633 55760 188218
    Downstream 4 8 825.00 MHz -1.00 dBmV 40.37 dB 256QAM 469941442 36879 179559
    Downstream 5 9 831.00 MHz -0.80 dBmV 40.95 dB 256QAM 401447094 0 0
    Downstream 6 10 837.00 MHz -0.50 dBmV 40.37 dB 256QAM 400028306 22 0
    Downstream 7 11 843.00 MHz -0.10 dBmV 40.37 dB 256QAM 399888951 0 0
    Downstream 8 12 849.00 MHz 0.30 dBmV 40.37 dB 256QAM 350510652 0 0
    Downstream 9 13 855.00 MHz 0.20 dBmV 40.37 dB 256QAM 480908519 1 0
    Downstream 10 14 861.00 MHz 0.00 dBmV 40.37 dB 256QAM 350613680 0 0
    Downstream 11 15 867.00 MHz -0.40 dBmV 40.37 dB 256QAM 357675357 0 0
    Downstream 12 16 873.00 MHz -1.00 dBmV 38.98 dB 256QAM 359602260 3 0
    Downstream 13 17 879.00 MHz -1.20 dBmV 38.98 dB 256QAM 706991983 3 0
    Downstream 14 18 885.00 MHz -1.20 dBmV 38.98 dB 256QAM 576283764 13 0
    Downstream 15 19 891.00 MHz -1.50 dBmV 38.98 dB 256QAM 576756320 9 0
    Downstream 16 20 897.00 MHz -0.80 dBmV 38.61 dB 256QAM 578634351 8 0
    Downstream 17 22 909.00 MHz 0.30 dBmV 40.37 dB 256QAM 591177587 11 0
    Downstream 18 23 915.00 MHz 0.60 dBmV 40.37 dB 256QAM 564233498 11 0
    Downstream 19 24 921.00 MHz 0.00 dBmV 40.37 dB 256QAM 546332236 10 0
    Downstream 20 26 933.00 MHz -0.90 dBmV 40.95 dB 256QAM 666323968 6 0
    Downstream 21 27 939.00 MHz -1.00 dBmV 40.95 dB 256QAM 578524049 0 0
    Downstream 22 28 945.00 MHz -0.90 dBmV 38.98 dB 256QAM 560002276 1 0
    Downstream 23 30 957.00 MHz 0.20 dBmV 40.37 dB 256QAM 637391119 7 0
    Downstream 24 31 963.00 MHz 0.60 dBmV 40.37 dB 256QAM 637394549 12 0
    Downstream 25 32 969.00 MHz 1.10 dBmV 40.37 dB 256QAM 637275088 0 0
    Downstream 26 41 405.00 MHz -2.10 dBmV 40.95 dB 256QAM 717739974 2 0
    Downstream 27 42 411.00 MHz -2.00 dBmV 40.37 dB 256QAM 718024449 3 0
    Downstream 28 43 417.00 MHz -1.90 dBmV 40.37 dB 256QAM 766927740 0 0
    Downstream 29 44 423.00 MHz -1.70 dBmV 40.37 dB 256QAM 766256834 0 0
    Downstream 30 46 435.00 MHz -1.20 dBmV 40.95 dB 256QAM 755597374 1 0
    Downstream 31 47 441.00 MHz -1.20 dBmV 40.95 dB 256QAM 831817029 2 0
    Downstream 32 48 447.00 MHz -1.20 dBmV 40.37 dB 256QAM 807120767 16 0
    Reset FEC Counters


 

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