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Jak3228's avatar
Jak3228
New Contributor
7 years ago

My upload speed is very bad, but download is fast. Happens on random days. What could be the problem?

I have the Netgear CM1000 modem and a Netgear Nighthawk Gaming Router XR500, using Coxs gigablast plan. My speeds are normally 600-800 down and 30-35 up, used to be a consistent 35 up. On random days, my upload speed will drop to 15-25 and cause issues when trying to stream games to twitch using my PC, playing on ps4. I've lowered my streaming bitrate to the lowest setting and nothing has helped. I've changed ethernet cables, power cycled my hardware, changed router settings, called customer support, they cant figure out the problem. Anybody having the same problem, or know how to fix my issue? Also have used the panoramic 3.1 modem/router combo and still had the same problem. 

cable modem
connection issues
internet
poor speed
upload speed
  • GregP1's avatar
    GregP1
    Moderator
    7 years ago
    Hi Jak3228,

    I appreciate the troubleshooting steps you have already taken. I do not have any additional suggestions until I can review the modem's signals. Please email us at cox.help@cox.com and include a link to this post along with your account information so we can review the logs and readings from your modem to help identify this issue. You can also reach us privately through Twitter @coxhelp (send us a public message and we will follow you so you can DM us) or private message us through facebook at CoxHelp.

    Greg P
    Cox Forums Moderator