Ping spikes up to 1000+ Every 30 seconds

spazzo246 · Aug 25, 2015

For the last few weeks my internet has been acting up. I was playing League of Legends and the ping was a steady <50ms. All of a sudden it jumps up to more than 1.5k for like a second and dies back down to normal levels. I have no Idea what would be causing this problem.

I have done the following things.
- Reset router/factory settings
- Pinged the router directly (http://imgur.com/M8It0c7) Theres a ping spike here for some reason
- Pinged google (http://imgur.com/ifj8pqa) Theres a ping spike here too
- Ran Tracert on google.com (http://imgur.com/GQv6rKJ)

Im not to sure what may be causing these ridiculous spikes. sometimes they go all the way up past nearly 3k.

The isp arent very helpfull and we have had technicians sent to our house multiple times and they said everythings fine.

Router: Netgear netgear cg3100d

Can anyone help out with this? Im currently on a wired connection and we have cable internet set up in our home

Thanks

bill001g · Aug 25, 2015

Normally you would just ignore a random high ping spike to the router. It mostly just means the router was busy doing other stuff and decided to delay its response to ping to handle more important things like passing actual data.

These random ones are hard to find. You could try pathping since it generates more traffic than a normal ping or tracert and see if you see a lot of ping issues in the first hop.

It would be so nice if home routers had diagnostic screens to tell you if the router is out of cpu or memory or even excessive data rates. Since this has a cable modem built in you do not even have the option of using third party firmware.

I suppose you could try to load the latest firmware and hope it is just a bug or something. It could be a hardware failure but that is rare and normally does not cause this issue. It could also be random burst of traffic from the internet...sorta a DoS attack but just junk traffic. Lot of guessing since the router hides too much.

Maybe you get lucky and there is something in the log. The router/modem will tell you if it is getting signal level issues talking to the ISP. If you are marginal it may have small failure it recovers from.

spazzo246 · Aug 25, 2015

bill001g :

Normally you would just ignore a random high ping spike to the router. It mostly just means the router was busy doing other stuff and decided to delay its response to ping to handle more important things like passing actual data.

These random ones are hard to find. You could try pathping since it generates more traffic than a normal ping or tracert and see if you see a lot of ping issues in the first hop.

It would be so nice if home routers had diagnostic screens to tell you if the router is out of cpu or memory or even excessive data rates. Since this has a cable modem built in you do not even have the option of using third party firmware.

I suppose you could try to load the latest firmware and hope it is just a bug or something. It could be a hardware failure but that is rare and normally does not cause this issue. It could also be random burst of traffic from the internet...sorta a DoS attack but just junk traffic. Lot of guessing since the router hides too much.

Maybe you get lucky and there is something in the log. The router/modem will tell you if it is getting signal level issues talking to the ISP. If you are marginal it may have small failure it recovers from.

Heres the pingpath if it helps at all http://imgur.com/G1UWcZE

bill001g · Aug 25, 2015

Unfortunately it doesn't show much. You see loss in hop1 which is your router it is very small but it really should be zero. It is going to be a matter of catching it.
Try the same test with another pc to be sure it see loss in hop1. It could be the pc and not the router.

seeingeyegod · Aug 25, 2015

If you are to trust that the ISP knows what they are talking about, have you checked your machine for malware or spyware type stuff that could be doing stuff in the background? Or going in a different direction, have you changed anything on your network recently? Added or removed any machines? Do you have the router/modem combo from the ISP, or your own plugged into theirs?

spazzo246 · Aug 26, 2015

seeingeyegod :

Its not just affecting my pc. I ran the ping test on my brother and dads pc and got the same results. Im scanning my pc for malwre/viruses atm

nothing in the network has been changed for months

With our plan they gave us a cable modem and thats it.

spazzo246 · Aug 26, 2015

seeingeyegod :

Heres the same test on another pc http://imgur.com/rTu128h

Misclicked the solution button

spazzo246 · Aug 26, 2015

I figured out what the problem was.. My brother had plex running which he installed last month. Uninstalled that and it fixed it!

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