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[Christian_Huls]

I have had the DIR-665 N450 Dual Band since June 2011.  Prior to this, my old D-Link router was great, no problems, compared to my friends with Linksys and Netgear who always had to reset theirs, so I figured this one would be reliable.  However, I have had problems with this since I bought it.

The DIR-665 drops the internet connection via WAN all the time.  First, know that this is not an issue for any computers that are connected via LAN.  There are multiple devices in our house connected.  Two DirecTV boxes, Sony PS3, a Wii-U, two desktop computers, a laptop, and occasionally a Nintendo DS.

While on the PS3 there are days when the connection is lost and regained frequently.  While using the iPad, I can be surfing the web for about a minute, but then nothing loads.  It still shows that I have a signal though.  If I turn Wifi off and back on immediately on the iPad, I get the internet back for another 60 seconds.  What's odd is that this happens at random times.  It's not always a problem.

I tried setting it for 2.4GHz, limiting it to G/N only, setting the wireless channel.  I tried disabling the SPI under the Firewall, turning off the Firewall, and turning off the QOS engine.  Still having the same problem.

I tried taking off the cover in case it was overheating, and blowing the heat sync with compressed air.

Up until two days ago, I had the latest firmware installed.  I did a factory reset. 

I ran it for one day with no security and had no problems at all.

As soon as I turned on WEP/WPA automatic and set a password, my problem came back.

HELP!  I am so tired of this expensive POS...

[FurryNutz]

Link>Welcome!

• What Hardware version is your router? Look at sticker under router.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

Internet Service Provider and Modem Configurations

• What ISP Service do you have? Cable or DSL?
• What ISP Modem Mfr. and model # do you have?
• Is ISP Modem/Service using Dynamic or Static WAN IP addressing?
• What ISP Modem service link speeds UP and Down do you have?
• Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.
• Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask. Link>Checking MTU Values
• For DSL/PPPoE connections on the router, ensure that "Always ON" option is enabled.

Router and Wired Configurations
Some things to try: - Log into the routers web page at 192.168.0.1. Use IE, Opera or FF to manage the router. Besure to log into the Admin account on the router.

• Turn off TrueGigaBit Routing under Setup/Internet/Manual for those routers that have this feature for testing.
• Turn off ALL QoS or Disable Traffic Shaping (DIR only) GameFuel (DGL only and if ON.) options, Advanced/QoS or Gamefuel. For the DGL-5500, review this for Streamboost information and settings: Furry's DGL-5500 Review
• Turn off Advanced DNS Services if you have this option under Setup/Internet/Manual or under Setup/PARENTAL CONTROL/Set to>None: Static IP or Obtain Automatically From ISP.
• Enable or Disable Use Unicasting (compatibility for some ISP DHCP Servers) and test under Setup/Internet/Manual. Disable may help with speed performance on higher speed ISP services.
• Turn on DNS Relay  under Setup/Networking. Link>Finding Faster DNS Addresses using Name Bench and input new DNS addresses under Setup/Internet/Manual.
• Setup DHCP reserved IP addresses for all devices ON the router. Setup/Networking. This ensures each devices gets its own IP address when turned on and connected, eliminates IP address conflicts and helps in troubleshooting and maintain consistency for applications that need to connect as well as mapped drives.
• Ensure devices are set to auto obtain an IP address.
• If IPv6 is an option on the router, select Local Connection Only under Setup/IPv6.
• Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall. Enable or Disable SPI to test.
• Enable uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules. Enable IPv6 Multi-cast Streaming for routers that have a Media Server option. Disable IPv6 Multi-cast Streaming if IPv6 or Media Server is not being used.
• Turn off WISH, and WPS under Advanced.
• WAN Port Speed set to Auto or specific speed? Some newer ISP modems support 1000Mb so manually setting to Gb speeds can be supported by the router. Advanced/Advanced Networking/WAN Port Speed
• Set current Time Zone, Date and Time. Use an NTP Server feature. The DST setting is only needed in the NA region. Tools/Time.

Wireless Configurations
Links>Wireless Installation Considerations and Managing Signal Congestion and Good Neighbour Policy

• Ensure the default (dlink) SSID name is changed. Can be anything and not something that's already in use by any neighboring WiFi routers. Under Setup/Wireless/Manual.
• Try setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear. 13 for EU regions.
• What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto TPIK and AES.
• Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by?
• Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?
• If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF is your using Single mode N. Recommended settings are default. Under Advanced/Advanced Wireless.

Router Placement
Forum User - "Well I feel really dumb. After moving the router away from other electronic devices my speeds are back to normal. Just a heads up for anyone experiencing slow speeds, you might want to move it away from other electronics and see if that helps."
3-6' feet minimum safe distance between devices.
Placement on main level floor and central in the building and WELL ventilated is preferred. Not in basements or closets as building materials, or near by electronics devices could interfere or hinder good signal propagation.

[FurryNutz]

Any status on this?
 

I have had the DIR-665 N450 Dual Band since June 2011.  Prior to this, my old D-Link router was great, no problems, compared to my friends with Linksys and Netgear who always had to reset theirs, so I figured this one would be reliable.  However, I have had problems with this since I bought it.

The DIR-665 drops the internet connection via WAN all the time.  First, know that this is not an issue for any computers that are connected via LAN.  There are multiple devices in our house connected.  Two DirecTV boxes, Sony PS3, a Wii-U, two desktop computers, a laptop, and occasionally a Nintendo DS.

While on the PS3 there are days when the connection is lost and regained frequently.  While using the iPad, I can be surfing the web for about a minute, but then nothing loads.  It still shows that I have a signal though.  If I turn Wifi off and back on immediately on the iPad, I get the internet back for another 60 seconds.  What's odd is that this happens at random times.  It's not always a problem.

I tried setting it for 2.4GHz, limiting it to G/N only, setting the wireless channel.  I tried disabling the SPI under the Firewall, turning off the Firewall, and turning off the QOS engine.  Still having the same problem.

I tried taking off the cover in case it was overheating, and blowing the heat sync with compressed air.

Up until two days ago, I had the latest firmware installed.  I did a factory reset. 

I ran it for one day with no security and had no problems at all.

As soon as I turned on WEP/WPA automatic and set a password, my problem came back.

HELP!  I am so tired of this expensive POS...