Ping Spikes...Is it my router?

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farm

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Dec 4, 2006
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I know enough to be dangerous, but not enough to confirm my suspicions that my router is failing me:

Trying to troubleshoot random ping spikes.
Asus RT-AC5300
Charter 100/10 service
I already did what seems like the obvious tries:
- Router has latest firmware and has been rebooted
- Everything on network has been powercycled.
- Bypassed all switches
- rolled back router firmware
- New DNS servers
- ipconfig from cmd - flushdns, renew, winsock, etc.

If I ping the router I'll occasionally see these 500-3000ms spikes too.
Here's is one where is timed out then high pinged on the next.



Here is a screenshot from ping plotter that shows big ping spikes every couple minutes that seem to affect every step along the trace, not just one of the ISP servers.



Open to suggestions from those more knowledgeable than me.

Doesn't this have to be my router at this point?

Thanks!
 
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bill001g

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Aug 9, 2012
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Could be your pc also so connect to the modem is a good test if it possible. If mulitple devices do this that makes it more likely its the router.

Hard to say what would cause this. Hardware errors generally do not cause delays you get loss but not delays.

Before you toss the router and buy a new one I would try loading the third party merlin image on your router. Merlin has better logging but I am not sure if you will see any thing or not. I prefer the melin firmware but asus is slowly taking more and more features in to the factory stock code.
 
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farm

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Yeah, it happens with ping plotter on two LAN PCs and also wirelessly on my surface. Problem is, I can't really direct connect to modem as the modem is in a media closet and not anywhere near a PC. My surface doesn't have an ethernet connection. So...I'm kind of stuck with direct connect to modem, which I should have mentioned. I may try the Merlin option. I've tried 3 different iterations of the Asus firmware rolling back two versions with no change. May dump this Asus for Google Wifi.
 
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farm

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Found an old laptop with ethernet. Connected to modem and there you have it. No problems.
Stupid router.
I tried a hard reset and just two minutes in to the test I had 4 huge ping spikes to 3000ms. So long Asus router.
You lived a short and unprosperous life, conveniently dying 2 months out of warranty.
Thanks all.

 
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daswilhelm

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Jan 28, 2012
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I've had some bad luck with asus routers. Glad you were able to isolate the issue thou. good luck!
 
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farm

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Sigh. It's still doing it even with the new Google Wifi all setup.
So something on the network is causing the issue.



What the heck. Now I guess I have to go through one at a time and disconnect devices to see what the deal is.
I'm at a loss
 
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daswilhelm

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Jan 28, 2012
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Its frustrating, i agree, but dont get down. You are narrowing down the problem. Now you know its a local device, and you are on the right track.
 
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