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Router causing packet loss and doubling ping

post #1 of 17
Thread Starter 
Can anyone here help me figure out why my WNR3500Lv2 is causing higher pings and packet loss to a game server but not to google? This is showing up in command prompt and the game's network graph. I have flashed it to the latest firmware but that changed nothing. This is only happening with the WNR3500Lv2. Bypassing the router or using the Linksys E1000 fixes the problem.

Example:

With router pinging gamer server = 65 ping with packet loss.
Bypass router pinging game server = 30 ping without packet loss.

With router pinging google = 20 ping without packet loss.
Bypass router pinging google = 20 ping without packet loss. (no difference)

More results:

Ping plotter after 30 traces dec 5th
WNR3500Lv2 no QOS @ 10 PM >>>>>>>>>>>>>E1000 no QOS @ 10:05 PM
38.105.22.115 = 65 (west coast) >>>>>>>>>>>> 29
50.115.32.41 = 60 (Los Angeles) >>>>>>>>>>>> 28
69.162.126.142 = 60 (Texas) >>>>>>>>>>>>>>> 59
216.144.255.163 = 59 (Texas) >>>>>>>>>>>>>> 59
46.21.154.181 = 78 (Chicago) >>>>>>>>>>>>>> 78
www.overclock.net = 55 >>>>>>>>>>>>>>>>>> 59
www.google.com = 18 >>>>>>>>>>>>>>>>>>>> 18
Edited by Derp - 12/5/12 at 11:04pm
post #2 of 17
Thread Starter 
Pulled my old E1000 out of the closet and it does not share this problem.
post #3 of 17
update the routers firmware that should fix it. the routers firmware might be corrupt in some way.
post #4 of 17
Change your DNS perhaps. Do a tracert and post the results to see which hop is providing the problem?
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post #5 of 17
Thread Starter 
Quote:
Originally Posted by CyberDemonz101 View Post

update the routers firmware that should fix it. the routers firmware might be corrupt in some way.

I already mentioned that I flashed the firmware to the latest version.
Quote:
Originally Posted by linkinparkfan007 View Post

Change your DNS perhaps. Do a tracert and post the results to see which hop is providing the problem?

Here are some results from within a few minutes of each other on both routers. Can you please explain how you want me to change the DNS?



E1000:



WNR3500Lv2:


Edited by Derp - 12/4/12 at 9:48pm
post #6 of 17
Quote:
Originally Posted by linkinparkfan007 View Post

Change your DNS perhaps. Do a tracert and post the results to see which hop is providing the problem?

DNS is definitely unrelated.

The routes are different for both routers, which is expected - routes are decided on by the router. (duh) Routes 9 & 10 seem to be the problem, though the solution I am unsure of.
post #7 of 17
If you do a hard reset to the entire router with a basic config (wipe all settings), do you get the same results?
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post #8 of 17
^ pretty much that.
Packet inspection on consumer grade devices seems to occasionally cause weird latency/resource issues.

The 3500Lv2 looks a lot more spikey just based on traceroute.
If you have a Linux host you can do something like ping -i .2 8.8.8.8
Quote:
Originally Posted by Ryanb213 View Post

DNS is definitely unrelated.
The routes are different for both routers, which is expected - routes are decided on by the router. (duh) Routes 9 & 10 seem to be the problem, though the solution I am unsure of.

ICMP echo-replies may be higher for certain hops as this activity is lower priority than routing packets.
If you get a lower latency value in subsequent hops, it simply means the hop in question took longer to reply as it's CPU was busier routing traffic.
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post #9 of 17
Thread Starter 
Quote:
Originally Posted by wgman003 View Post

If you do a hard reset to the entire router with a basic config (wipe all settings), do you get the same results?

Yes the results were the same. Could the WNR3500Lv2 just be defective?
Edited by Derp - 12/8/12 at 12:16am
post #10 of 17
It's very possible that you do have a controller that could have gone bad. As one last ditch effort, can you disable any Quality of Service (QoS) services on the router and see if that helps. But if you flashed the nvram and you got similar results on a different firmware, then yes. A bad controller or crummy CPU in the router. High CPU cycles can degrade performance.
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