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[AtomicNewt]

Hello,

My DIR-615 FW:2.25 HW:B2 has been running totally stable and reliably ever since it was purchased until very recently. I have a rather strange symptom that I hope someone here can help me with..

I have been running my entire house wireless with the following setup... 

Cable Internet 25Mib down/2Mib up

Desktop PC (ASUS M32N-sli Deluxe w/integrated Realtek RTL8187 Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter) Latest drivers on Win 7
Laptop PC (Intel Wireless WiFi Link 4965AGN) latest drivers, on Vista
Wii
Samsung Galaxy Infuse 4G

Everything was fine until my roommate bought a Samsung Galaxy Nexus.  Now I randomly lose wireless connection to every device on the network.  Default gateway 192.168.0.1 becomes unreachable... resetting the router restores connectivity... 

Very interesting to note is the fact that while wireless communication with the router fails, wired connections remain active with fully functional internet access.

Assume I have some knowledge in this area.  I have been a computer tech for decades, and have managed an internet technical support calling center (for Comcast). I have thoroughly searched these forums, and adjusted the settings in every conceivable way, and still I lose wireless...

Is anyone else experiencing this problem? Does anyone have any information on how to resolve this issue?

I thank everyone in advance.

[AtomicNewt]

A little bit more info, before anyone asks...

QoS Engine - Disabled
WPS - Disabled
Mixed Mode g/n
Channel: Auto
Channel Width: Auto 20/40
Tx Rate: Best (auto)
Security WPA-Personal - Mode: WPA2-only - Cipher: TKIP
DHCP reservation set for each device, all devices set to auto-obtain from router

[FurryNutz]

Channel: manual open or free channel thats not being used.
Any other WiFi routers in the area? Use InSSIDer to find out.

[jacklarkin]

I'm having the exact same problem with a similar setup and config.  Be very interested in hearing how you resolved this problem if you did.

[FurryNutz]

What wireless modes are you using? Under Setup/Wireless/Manual.
Try single mode G or mixed G and N?

What security mode are you using? Preferred security is WPA-Personal. WPA2/Auto TPIK and AES. Some WiFi adapters don't support AES, so you might want to try TPIK only.
What wireless devices do you have connected?
Any cordless house phones?
Any other WiFi routers in the area? Use InSSIDer to find out.
Turn off Short GI and Extra Wireless Protection if you have it. Under Advanced/Advanced Wireless.

Turn off all anti virus and firewall programs on PC while testing. 3rd party firewalls are not generally needed when using routers as they are effective on blocking malicious inbound traffic.
Turn off all devices accept for one wired PC while testing.

I'm having the exact same problem with a similar setup and config.  Be very interested in hearing how you resolved this problem if you did.