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dangermuffin's avatar
dangermuffin
Aspirant
Nov 01, 2019

Packet Loss with CM1200

So I've been getting really bad packet loss, after using ping plotter from my PC to trace the issue, I believe I've narrowed it down to the CM1200 modem. 

 

This is what my setup looks like.. modem > google mesh wifi puck > everything else 

 

Let me explain a little further. The house we live in has hard wired ethernet running throughout the house, So my PC is upstairs plugged into the wall. I've traced my room to the patch panel downstairs, and from the patch paenel to the outlet closest to the modem. So the google puck is plugged into the modem, and then I have an ethernet switch plugged into the google router with my PC and an xbox downstairs plugged into the switch. 

 

Anyways, here's my ping plotter results 

https://imgur.com/kpje9xK

https://imgur.com/NIUOsm1

 

At first I thought the 2nd hop (which seems to be where the issue is starting) may have been the first step to our ISP, but after unplugging the google router from the modem, and resetting the modem, I plugged my PC directly into the modem then ran ping plotter and the 2nd hop in these pictures confirmed to be the modem (was still getting packet loss when plugged directly into the modem). 

 

We just switched from another netgear modem that had the puma 6 chip, we figured that may be causing the packet loss, but this modem is having the same issues. 

 

Any help appreciated! 

21 Replies

  • plemans's avatar
    plemans
    Guru - Experienced User
    Nov 01, 2019

    Thanks for posting in the correct forum! :) 

    did you get a screen snip of your connections page? and logs?

    You also put in the other post there's a switch in line (when I asked about splitters). It should go CM1200----router----swtich.  Is this how you have it? 

     

    • dangermuffin's avatar
      dangermuffin
      Aspirant
      Nov 01, 2019

      I didn't get a snip of the connections page or logs. I logged into my modem last night and didn't see anything like that. I'm at work and could attempt again in a few hours when I"m home. 

       

      and correct, that's how I have my setup modem > router > switch 

       

      Here's a screen shot of my PC plugged directly into the modem. For some reason it's appearing as that 10.xxx.x.x IP address but when I ran an IP config when plugged in it came back as a different IP. 

       

      Also wanted to point out that the response time with the modem according to ping plotter seems higher than it should be, even when plugged in directly! 

       

      Thanks!