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post #11 of 17
Tracert #1 looks beautiful! Tracert #2 has two dropped packets (the first packet in hop 6 and the second packet in hop #8). If I remember correctly, the ms is how long it takes a ping to get from your comp to that particular hop. Each hop is pinged 3 times.

As a side note, Hop 1 should ALWAYS be <1ms. If it's not, then either your router is dealing with some heavy traffic, OR you got a problem somewhere. The only time I've had that issue, I just unplugged the router, let it sit for a couple of minutes and plugged it back in and on a tracert it went back to <1ms.

Hop 5 concerns me slightly because of a dropped packet in the 3rd tracert. I would suspect that is the reason for some of your dropped pings to some websites. I use AT&T for my ADSL internet (which SUCKS btw), and if I'm routed thru their datacenter in Dalas, TX I regularly drop packets. Nothing I can do about their routing. When I do tracert -d I don't drop nearly as many packets.

If a site I'm on is giving me trouble and I run a tracert and see the Dallas, TX datacenter, I feel better knowing the problem isn't with my equipment, but I get frustrated because even after repeated phone calls and online conversations with tech support AT&T won't do anything about it.

I'd write down the IP addresses of the 3 hops that have dropped packets. The next time you suffer a severe lag spike, ping those IP's and see if the latency has gone up. If it has, call and yell at Comcast to fix their stuff! If it hasn't, check your router's logs. There should be a bandwidth log of some sort to show you how much it's pumping out.

Between those 2 (ping troublesome routers and bandwidth log) you should, in most cases, be able to figure out what is causing the lag spikes.

Edit - added thumbnail of my tracert to google.com
In the pic, I'm actually not going thru the Dallas, TX datacenter. If I am, I usually see it on hop 3.

Edited by Razinhail - 1/5/11 at 11:52pm
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post #12 of 17
I have not played on line games in years, so I don't remember how low the ping times really need to be. You do have one or two higher times there, but when you look at the other two numbers they are low. Also the numbers after the high numbers are low again.

Example: Line 10 on the bottom screen shot... 109ms could be the router queuing your traceroute up since it is considered management traffic. Network management traffic will always be either queued or dropped faster than all other network traffic.

If you actually had an issue the numbers would start to rise, and never come back down.
Now keep in mind this is only outbound traffic from your house. You have no way of knowing what path it is taking back to you nor can you test it.

One other thing I see is a few dropped packets. These are shown by the * symbol. If this was a firewall you hit, I would expect all 3 results to be shown on the same line.

I can tell you we start seeing application issues from South America back to the South Carolina when we start getting close to 200ms in our ping times.
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post #13 of 17
Thread Starter 
could high traffic at certain times be the cause of it?

edit: I loose a packet everytime i ping ocn (which is where most of the lag is)
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post #14 of 17
Yes high traffic can do it.
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post #15 of 17
Thread Starter 
Quote:
Originally Posted by Thorn-Blade View Post
Yes high traffic can do it.
talking to the dd-wrt experts it seems I have a bad build. Trying new builds doesnt have packet loss but now I have horrible uploads.

1mbs top when I normally get 5-6
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post #16 of 17
Try resetting your modem and router.
post #17 of 17
Thread Starter 
Quote:
Originally Posted by mrwalker View Post
Try resetting your modem and router.
its comcast. had a long talk on the phone with them. Even directly connected to modem im having packet loss and now when i do a speedtest I get failed on upload test.

My dl is fine and my upload is 0 lol.

Im guaranteed least 5mbits up so this is pissing me off.
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