Time Capsule issues. ?

So I bought a new generation time capsule (AC output model) and I have it connected to my u-verse modem and sending out its own signal. (turned the uverse's wireless off so that there isn't two conflicting connections in the air)

Anywho. It did increase me speed in the other room where I used to get about 10mbps now I get 24, which is good but not great since my speed is 60 and the room isn't that far, but that's irrelevant.

I can connect just fine and always have full bars and never seem to get kicked off the connection, but I do have two issues..

1.) ANY time I go to stream a YouTube video it always stops about 5 seconds in and just stops loading all together.. Seems to stream any other video just fine, but not YouTube videos.

This problem happens on all devices that connect to this signal, be it a Mac, PC, or even an iPhone.

2.) when hosting a game on steam, the people joined to my game will randomly lose connection to me.. Even if they're in my house and connected to the same signal.

I figured this was all to do with my internet itself because everything else is all fine and I seemingly never lose connection to my wireless.

Thing is, now I turned on my u-verse modem's wireless and connected to that and I'm loading YouTube videos just fine??

I have AT&T coming out tomorrow to check the connection, but I'm now starting to wonder if it's my time capsule. It's just a very odd problem to have.. Specific only to YouTube? I don't get it.

Anyone have any input on this? What it may be and or how to potentially fix the problem? It definitely isn't my laptop or web browser or anything like that because the problem happens on all devices and on all browsers.. So it had to either be my modem connection directly or my time capsule.

Thanks!

fotomarc said:

What network settings are you using for the time capsule? Is it on "create a network"? Do you have it running on 5ghz, or 2.4ghz? Do you have any other express units connected, extending the network?

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Yes it's on create a network.
It's running both 2.4 and 5ghz
I have an AirPort Extreme in my living eoom extending the network (which after running a speed test, does seem to help the connection quite a bit.)

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Altemose said:

Since U-Verse and FIOS equipment generally isn't allowed to be set to Bridge Mode, you should add the Extreme to the DMZ of the U-Verse router. It is possible that the U-Verse router has terrible WAN to LAN performance and running it through its DHCP and NAT service isn't helping.

Click to expand...

What

I mean. I don't completely understand what this means
I'm not in bridge mode; I have the modem connected to the time capsule via ethernet and the modem's wireless is turned off

What should I do here?

Altemose said:

Is your AirPort right now in "Bridge Mode" or DHCP & NAT Mode in the Network tab of AirPort Utility?

Click to expand...

You mean the airport that is extending my time capsule? Or the time capsule that is connected to my modem directly?

The airport that's extending the network is in bridge mode I am 99% sure. I can recheck when I get home, but I am certain it is in bridge mode to extend my time capsule's network.

Altemose said:

No. Sorry, I was unclear. The AirPort Time Capsule is in which mode? I have noticed issues with a bridge behind a bridge when it comes to AirPorts. Ideally, you would have the U-Verse modem in bridge mode, the Time Capsule set to DHCP & NAT which makes it function as the router of the network, and the Express hardwired via Ethernet to the Time Capsule.

Click to expand...

Just got home and my Time Capsule (connected directly to the modem) Is in "Off (Bridge Mode)"

I turn it to "DHCP and NAT" or even "DHCP" and the thing goes orange and I can't connect to it at all.

Went into my router settings for the modem and I don't see anywhere to place that into bridge mode or anything of that sort.. I tried doing an IP Passthrough to the Time Capsule but it didn't seem to do anything.. I'm lost here.