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[grandforker]

I have a Sony BDP-580 Blu-Ray player and I am having problems consistently streaming HD video to it wirelessly from my DIR-825 B1 (205NA firmware). The download speed of my ISP is 20Mbps and the upload speed it 2Mbps. Using SpeedTest.net, I am consistently at or very near those speeds. I'm using the 2.4GHz Wireless N band because that's what the Blu-Ray player supports. 

I have no problems establishing a connection between the S580 and my wireless router or generally streaming HD videos of under 30 minutes. However, with movies or HD video longer than 30 minutes, the download speed starts at 15Mbps or better and eventually slows to a crawl before stopping completely. Sometimes it successfully buffers and the video resumes, but most of the time several minutes pass and then I receive a network error message.

I am fairly certain that the problem is not with the S580 because I'm on my second one and I'm experiencing the exact same problem. So I think the problem is with DIR-825's settings. I have also tried connecting wirelessly to the S580 using a Hawking HWREN1 Wireless N range extender, but it does not make any difference. I experience the same problem.

Are there certain settings I should be checking that might be causing this problem?

[FurryNutz]

Are there any other users on the network when your watching something on the BD Player?
Any other devices online at the same time?
Any other wifi in the area?
Can the BD player do wired connection and if so, has this been tested?
What are the Wireless settings? Channel scan and such.
Might try setting up manual wireless settings.
Also make sure WMM Enable is enabled and Short GI is disabled under Advanced/Advanced Wireless.

[grandforker]

Typically, we have one wired PC and one wireless PC online that are sometimes used for gaming. As far as I can tell, what's happening on them seems to have no relation to what's happening when video streaming to the Blu-Ray player decides to crap out. Sometimes they are in use when it happens and sometimes they aren't.

Using inSSIDer, I can detect several wireless networks in the neighborhood. The player itself can only detect two of them, in addition to my home network. The two outside networks are set to channel 11. I can detect two others on channel 1, so I set my channel to 3, which no network I can detect is using.

The player can do wired, but the DIR-825 is one floor down and too far away from the TV to make a wired connection practical. That's why I bought a BR player with built-in wireless.

I'm not sure what WMM and Short GI are set on. I'll check when I get home.

[FurryNutz]

I know practicality for the TV and BD player isn't an option, just want to make sure that a wire connection works as I presume it probably does. Keep us posted.

[SirMaggot]

I had some problems when my routers wireless settings was set to "Mixed mode"
I locked it to G only, and now it's  working really good.

[grandforker]

I have my router set to G and N because I have a laptop in use that's on Wireless G. I'll try setting the router to N only just to see if that helps.

In an e-mail I received from D-Link tech support, they advised to set the MTU to 1492, the default. However, the default setting I see listed is 1500. Could that be the problem?

[FurryNutz]

1492 is best for DSL.
1500 is best for Cable.

[grandforker]

1492 is best for DSL.
1500 is best for Cable.

I have cable. Is it worth trying at 1492?

[grandforker]

I made two changes to my DIR-825's settings and this evening watched an entire 2-hour movie on Vudu in 1080P (HDX). I encountered no buffering issues or lockups whatsoever. That's the first time in the two weeks I've owned the BDP-S580 that I've been able to wirelessly stream a video of that length without issues. 

The two changes I made were setting the router to Wireless N only and unchecking Short GI under Advanced Wirless settings. I left WRT set at 1500 because I have a cable modem. The weird part is that after the movie was finished, I tried running Vudu's speed test and couldn't come close to completing it without a network error message.

Here's how I have the router set up. If something doesn't look right, please let me know.

Dynamic IP (DHCP) = On
Advanced DNS Service = Off
Unicasting = Off
MTU = 1500
Mode: 802.11n only (prefer to run G and N mixed)
Wireless Channel: 2.422GHz - CH 3
Channel Width: Auto 20/40 MHz
Security Mode: WPA Personal
Ciper Type: AES
Group Key Update Interval = 3600
5 GHz Band = Off
Enable DNS Relay = On
Enable DHCP Server = On
Always Broadcast = Off
Net BIOS Announcement = Off
Learn Net BIOS from WAN = Off
All networked devices have been assigned permanent IP addresses
Virtual Servers = None
Port Forwarding = None
Application Rules = None
Enable WAN Traffic Shaping = On
Automatic Uplink Speed = Off
Manual Uplink Speed = 2048 Kbps
Enable QOS Engine = On
Automatic Classification = On
Dynamic Fragmentation = Off
QOS Engine Rules = None
MAC Address Filtering = On
Enable Access Control = Off
Enable SPI = On
UDP Endpoint Filtering: Address Restricted
TCP Endpoint Filtering: Point and Address Restricted
Enable Anti-Spoof Checking = On
PPTP = On
IPSec (VPN) = On
RTSP = On
SIP = On
2.4 GHz Wireless Band
Transmit Power: High
Beacon Period: 100
RTS Threshold: 2304
DTIM Interval: 1
WLAN Partition = Off
WMM Enable = On
Short GI = Off
Enable UPNP = On
Enable WAN Ping Respond = Off
WAN Port Speed: Auto 10/100/1000
Enable Multicast Streams = On

[FurryNutz]

Glad you found what works for your player. Reason probably that it's working better now is Single mode N. Your getting connected at 130-170Mbs and streaming 1080p data wants a faster connection. Using Mixed mode might have not been enough for streaming.

One more thing you could try, keeping all other settings as is, Turn off QoS and see if you notice any changes.

I would save off this current configuration to file so you have a back up of your working settings before you start doing any tweeking.

I presume your BD player only supposed 2.4Ghz?

[grandforker]

I presume your BD player only supposed 2.4Ghz?

Yes, that is correct. The Sony BDP-S580 only supports 2.4GHz wireless.

I am getting a D-Link DAP-1522 that I'm going to try to use as a wireless bridge to the 5GHz band of my DIR-825. I would make the 5GHz band N only and it would be dedicated to streaming video to the BD player. That might help solve the problem.

[FurryNutz]

That would be nice however the BD Play only supports 2.4Ghz so in a way your just moving the bottle neck down stream. The main bottle neck is that the play only supports 2.4Ghz so max connection would be over single mode N at 2.4Ghz. 5Ghz single mode N you get connection speeds 270-300Mbs.
Some people have used single mode G with good results. Does the player work on this mode?

If the PC that is on wireless for gaming could use the 5Ghz bank that would be good.

I think eventually I would set up a QoS rule for all devices connected to the router and make sure the priorities are set well for the play so that even if someone is gaming, the streaming of video or gaming isn't being interfered with.

[grandforker]

If I correctly understand how the DAP-1522 works, I'd be plugging it into the BD player's ethernet port and then having the DAP-1522 serve as a bridge. It would connect wirelessly to the DIR-825's 5GHz band. So I would no longer be using the BD player's built-in wireless capability. Does that make sense or am I mistaken on how the DAP-1522 can be used?

[FurryNutz]

Ok, I got cha. Still early morning here. Ya, I sounds like you can connect the BD Players LAN cable to the DAP and use it as the bridge...should work well. Keep up posted on how that goes man.

[grandforker]

It seems sort of dumb to have bought a Blu-Ray player with wireless capability, and then not use that feature. On the other hand, it seems sort of dumb to have a router with dual-band capability and use just one band. Let's just say that I probably could have done a better job of thinking this through. 

I'll let you know how it goes with the DAP-1522 as a 5GHz wireless bridge.