If you are attempting to upgrade a firmware, Do NOT upgrade on any D-Link product over a wireless connection. Failure of the device may result. Use only hard-wired network connections. Do NOT upgrade your device with these firmware if you have purchased a D-Link product out of South East Asia.
1. How to Setup WPA-PSK in DSL-2640T
2. How to Setup WEP in DSL-2640T
3. How to Setup Dynamic DNS on DSL-G604T or DSL-2640T
4. How to Setup DMZ in DSL-2640T
5. How to port forwarding using DSL-2604T
6. How to connect to internet using DSL-2604T
7. How to configure DSL-2640T to use Static Public IP
8. How to configure DSL-2640T to Block LAN access to internet
9. How to configure DSL-2640T to use static IP(IP unnumbered)
10. How to configure DSL-2604T for Virtual Server (Port Forwarding)
Free tools available for downloads