[Renamed] Issues with DIR-655 connection

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Markbnj

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I may have missed it, but have you completely disabled your kids connection to the router while you are running the tests (laptop vs smartphone)? I'm just thinking on the aspect of eliminating all the variables. I'm assuming your smartphone connects to a cell service and not your router? Just probing a little bit....

The kids and my wife all connect wirelessly through various laptops and devices. My home office is the only wired room, with a gigabit switch serving two machines, and then a 40-foot line to the router in another room. To take the switch and line run out of the equation I cabled my laptop directly into the router and had the same results. During these tests the smartphone was connected wirelessly to the router. We only get a very shaky 3G up here and I would never get close to the speeds I'm seeing through the wireless connection. I just re-ran the test on Speakeasy and got 5.5 mbps up/5.5 mbps down wired, and 5.5 mbps up/22 mbps down wireless. So something definitely seems wrong with the wired lan side. I tried different ports as well.
 

Markbnj

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So an update. I now think this thread was probably much ado about nothing. Or too much to do about three unrelated things.

I still don't know the reason for all the blocked connection requests. I'm going to continue to monitor that today.

The initial issues that caused me to start looking at the network may just have been some internal Comcast issue, according to reports that I am getting from other people on their network at the same time.

Lastly, the weird discrepancy in wired/wireless performance I was seeing last night. First of all, about 2 AM it disappeared, and wired performance shot back up to 25-28 mbps. Checked again this morning, and it was still at max.

Talking to a colleague about it this morning and he asked "Does that router have QOS enabled?" and a light went on in my brain. Never even thought to question whether the router was prioritizing bandwidth to the wireless side, but at the time I was seeing this issue my wife and kids were all upstairs watching various Netflix streams on the wireless side.

So that seems like a plausible explanation to me.