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I've been a Cox customer since we moved out to Arizona (about 5 years ago) and have experienced this issue intermittently since. I've had techs out on site multiple times, each giving me a variety of reasons as to why our internet service is flaky. The problem has become so consistent over the last few weeks that I've been completely unable to play any competitive online game due to packet loss.
While gaming, I noticed a number of packet loss issues on multiple games, which led me to begin a ping test in the background while gaming. As it turned out, I was seeing frequent (multiple pings lost per minute) packet loss. My network is entirely hard wired (aside from phones, on wifi) and all ping testing and trace routes were performed on a wired connection.
Here is one of the PingPlotter (graphed trace route) results from my test:
As you can see, there is no internal packet loss. The packet loss begins at 100.127.73.4, and continues throughout the path to Google's DNS server. In addition, the response times and packet losses increase when the network is being utilized to a higher degree (while gaming or streaming video for example), but the packet loss still occurs when the network is essentially idle.
I had a tech out on Sunday (July 29th) who said the signal was fine and the modem had to have been the culprit. I've replaced both the router and modem with new hardware, and I've duplicated the packet loss and high latency responses on three different computers - one on OSX and two Windows systems with the use of four different network cards. The results are also repeatable when wired into the modem only. The exact same symptoms occurred before and after the router and modem replacement.
At this point, I've had at least six different tech visits, twice as many tech support phone calls, and numerous hours spent verifying cabling and swapping cables/etc for troubleshooting purposes.
I need assistance. I do not want to switch ISP's, but at this point I don't see much of a choice.
The pingplotter link in the original post was to Google's DNS servers and shows exactly where the packet loss occurs
Specifically I'm seeing packet loss at:
on the way to 126.96.36.199
To add a little more information, I'm seeing inhibiting packet loss in both Fortnite and Rocket League game servers, but at the same time I've been running a ping to Google's DNS server (188.8.131.52) and am seeing packet loss to both the game servers as well as Google's DNS server at the same time. So this does not seem to be isolated to just a few game servers, it seems to be all external communication regardless of destination.
Hey man. Just so you know, you're not alone. While you may have general packet loss, there is a serious problem with COX's routing table involving amazon web services. Hundreds of us are having this exact problem and cox has yet to acknowledge the issue. See here: https://forums.cox.com/forum_home/internet_forum/f/internet-forum/21288/severe-packet-loss-upload-to-amazon-web-services-fortnite and here: https://www.reddit.com/r/FortNiteBR/comments/931lrl/attempt_2_at_getting_visibility_most_cox_isp/
I'm still working on figuring something out.