Pinpointing cause of insane ping spiking and full DC issues

Hello and thanks in advance for anyone who looks at these logs and can help me diagnose my internet connection issue. Going to start by posting a couple WinMTR logs and go from there. The initial problem I had starting from about a couple weeks ago is full DC from POE followed by insane lag spikes continuing for about 10-20min and then its stable. Usually happens every day a couple times per day at least.

(POE Server) https://i.imgur.com/AaIwKFr.png

(POE Server) https://i.imgur.com/o1ktraD.png

(POE Server) https://i.imgur.com/oxsOpRi.png

(POE Server) https://i.imgur.com/o5PADXy.png

(POE Server) https://i.imgur.com/Y5bfYJS.png

(Google.com) https://i.imgur.com/8lQmzOY.png
IGN:skydog
Last edited by Skydogg5555 on Mar 19, 2023, 6:08:03 PM
Last bumped on Mar 24, 2023, 2:41:13 AM
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Skydogg5555 wrote:
Hello and thanks in advance for anyone who looks at these logs and can help me diagnose my internet connection issue. Going to start by posting a couple WinMTR logs and go from there. The initial problem I had starting from about a couple weeks ago is full DC from POE followed by insane lag spikes continuing for about 10-20min and then its stable. Usually happens every day a couple times per day at least.

https://i.imgur.com/AaIwKFr.png

https://i.imgur.com/o1ktraD.png

https://i.imgur.com/oxsOpRi.png

https://i.imgur.com/o5PADXy.png

https://i.imgur.com/Y5bfYJS.png


Well it start by you loosing 17% of the packets between your PC and the first router/modem in your home and then it get MUCH worse between your second router/modem in your home and the ISP's network node out in your road.
If you are using WiFi then you need to change to using cable.

Also why do you have 2 router/modems in your setup ?
"
Well it start by you loosing 17% of the packets between your PC and the first router/modem in your home and then it get MUCH worse between your second router/modem in your home and the ISP's network node out in your road.
If you are using WiFi then you need to change to using cable.

Also why do you have 2 router/modems in your setup ?




I have an ISP provided modem/router combo which the router cannot be disabled apparently even after asking them to disable it and them saying that it is. The packet loss from my modem is my main concern and I've tried changing the modem but seeing a similar amount of packet loss so I'm now trying to replace my ethernet cable and getting an ISP technician to come out to see if its the lines or something that I missed.

What's weird to me personally is that it's the same % packet loss across multiple WinMTR tests, is that significant in any way?
IGN:skydog
Last edited by Skydogg5555 on Mar 19, 2023, 6:08:41 PM
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Skydogg5555 wrote:
"
Well it start by you loosing 17% of the packets between your PC and the first router/modem in your home and then it get MUCH worse between your second router/modem in your home and the ISP's network node out in your road.
If you are using WiFi then you need to change to using cable.

Also why do you have 2 router/modems in your setup ?




I have an ISP provided modem/router combo which the router cannot be disabled apparently even after asking them to disable it and them saying that it is. The packet loss from my modem is my main concern and I've tried changing the modem but seeing a similar amount of packet loss so I'm now trying to replace my ethernet cable and getting an ISP technician to come out to see if its the lines or something that I missed.

What's weird to me personally is that it's the same % packet loss across multiple WinMTR tests, is that significant in any way?


Issues still occurring after replacing ethernet cable :(
IGN:skydog
"
Skydogg5555 wrote:
"
Skydogg5555 wrote:
"
Well it start by you loosing 17% of the packets between your PC and the first router/modem in your home and then it get MUCH worse between your second router/modem in your home and the ISP's network node out in your road.
If you are using WiFi then you need to change to using cable.

Also why do you have 2 router/modems in your setup ?




I have an ISP provided modem/router combo which the router cannot be disabled apparently even after asking them to disable it and them saying that it is. The packet loss from my modem is my main concern and I've tried changing the modem but seeing a similar amount of packet loss so I'm now trying to replace my ethernet cable and getting an ISP technician to come out to see if its the lines or something that I missed.

What's weird to me personally is that it's the same % packet loss across multiple WinMTR tests, is that significant in any way?


Issues still occurring after replacing ethernet cable :(


Well first problem to solve is the 17% local packet loss. I really don't think the 2 routers are konfigured to work properly together, so my advice would be to either remove your own and ONLY use the ISP router or remove the ISP router and get a NEW router that can handle both the ISP connection and what ever you need in your home.
Before that is done we can't get any futher unless you will hire an IT TECH to come to your house and fix these issues if you can't yourself.
"
Well first problem to solve is the 17% local packet loss. I really don't think the 2 routers are konfigured to work properly together, so my advice would be to either remove your own and ONLY use the ISP router or remove the ISP router and get a NEW router that can handle both the ISP connection and what ever you need in your home.
Before that is done we can't get any futher unless you will hire an IT TECH to come to your house and fix these issues if you can't yourself.



After speaking with 2 ppl(one was completely clueless) my ISP has actually disabled their router and now its just their modem and my 3rd party router on the network.



(POE Server Pingplotter) https://i.imgur.com/PUNtLs0.png

(Google.com WinMTR) https://i.imgur.com/4y2KB0x.png
IGN:skydog
Last edited by Skydogg5555 on Mar 21, 2023, 7:52:53 PM
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Skydogg5555 wrote:


After speaking with 2 ppl(one was completely clueless) my ISP has actually disabled the their router and now its just their modem and my 3rd party router on the network.



(POE Server Pingplotter) https://i.imgur.com/PUNtLs0.png

(Google.com WinMTR) https://i.imgur.com/4y2KB0x.png


Can you make sure that the router/modem isn't running "icmp prioritization policy". It looks like it may do this (fake dropping ICMP packets) so the WinMTR report isn't correct.
"
Can you make sure that the router/modem isn't running "icmp prioritization policy". It looks like it may do this (fake dropping ICMP packets) so the WinMTR report isn't correct.



Don't have an option to change any ICMP settings other than raising the priority of ICMP packets from "normal" to "high" or "highest" priority in my QoS settings on my router(its a netgear). I do think you are onto something but I don't know what specific setting I need to change that might fix the issue.
IGN:skydog
Last edited by Skydogg5555 on Mar 21, 2023, 8:07:01 PM
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Skydogg5555 wrote:

Don't have an option to change any ICMP settings other than raising the priority of ICMP packets from "normal" to "high" or "highest" priority in my QoS settings on my router(its a netgear). I do think you are onto something but I don't know what specific setting I need to change that might fix the issue.


Try to see if there is a "forum" for Netgear support on their website or e-mail them about this.

Or just try to change the settings and see if that makes a differant.
Last edited by HanSoloDK on Mar 22, 2023, 2:58:47 AM
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Or just try to change the settings and see if that makes a differant.


I'll try to mess around with some settings and report back
IGN:skydog
Last edited by Skydogg5555 on Mar 23, 2023, 12:41:36 AM

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