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Pattern Ping Spikes XR1000 Router
All supporting documentation in 1 file: https://docs.google.com/document/d/1J4nRlw3awDXeSo65SOmqllB0moj_kmti/edit?usp=sharing&ouid=108416615426080000577&rtpof=true&sd=true Issue: I am seeing lar...
Thank for posting in so much detail, that's really helpful.
The patterns your noticing do definitely suggest that the issue is in your line rather than the local router itself. The way to test this would be to disconnect the XR1000 for a few days (or however long it takes to reproduce the issue usually) and reconnect your ISP equipment. Play for a few days on your ISP equipment and check if you still notice the same behaviour. I suspect you will, as we can see from the Ping Plotter's that there's a lot of packet loss further upstream.
Take that info to your ISP and see what they can do to help. Sometimes providing things like Ping Plotter tests can be useful to them for debugging where the issue lies.
I contacted Xfinity and got a rental gateway (modem/router) from them. Sure enough seeing the same sort of latency spikes on their equipment. I have had technicians out here 3 times already and have replaced just about every connector and cable to no avail. I have another appointment scheduled for March 12th, so we'll see what they say at that point, the technicians seem to have done everything in their power at this point to help, so it may be a battle of getting the issue escalated. I have showed the technicians the testing on ping plotter when in my home, hoping this can get to a point where a network engineer on their side reviews the logs and can find and resolve the issue.
Next time you get the CM modem back online, Please post a copy and paste of the modems connection status and event log page.
https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
https://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-router
