Belkin F5D v8 Pick the guide that most closely matches your router. Belkin F5D routers include a very basic firewall that helps protect your home network form unwanted access from the internet. Since this firewall blocks incoming connections you may need open a port through it for certain games and applications. This process of opening a port is frequently called a port forward, since you are forwarding a port from the internet to your home network. The basic process to open a port is: Setup a static IP address on either your computer or device that you want to forward a port to. Login to your Belkin F5D router.
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If you have a 4 MB model, you can reflash the router with the full version generic firmware from within the routers web interface after dd-wrt is installed as long as you check the filesize of the build you are flashing and make sure it not larger than what is allowed in your Belkin router. You have to flash 2 MB routers with the 2 MB micro firmware. There is information that suggests that flashing firmware over 3. You will temporarily lose the functionality of the switch and will only be able to connect wirelessly after flashing.
Attempting to flash a v could brick your router. See the forum posts here  for possible help un-bricking one of these units. Download the latest micro firmware dd-wrt. See Where do I download firmware? Located in the broadcom folder. Reset router to factory defaults. Unplug the router.
Connect your computer directly to one of the LAN ports on the router. The router starts up with IP address Change your directory to the folder containing the firmware image. Do not press enter yet. Connect the power to the Belkin. All port LEDs will illuminate. After a few seconds, all LEDs except the one you are connected to will turn off. Wait exactly one second and hit enter to execute the command.
If you get a timeout error just try again. Also try running tftp right before powering up. If you continue to have trouble with this step check out the alternative method below. Be patient and wait for the power light to stop flashing.
Wait a couple more seconds. Power cycle the router. No password required. Set retries to Power up router. Click upgrade and then hit the reset button on your router. The tftp program will let you know when it is upgrading and succeeds. TFTP is only active during the first few seconds of boot. This helps the NIC connect quicker. You can also try using a hub or switch between the router and PC. Reset the router to factory defaults.
Plug your computer into the router and power the router on. In a command prompt what you get by going to Run in the start menu type out the tftp command line but do not hit enter yet.
Press and release the reset button on the back of the router. Almost immediately hit enter in the command prompt to run the tftp command you typed out. If tftp tells you the file was sent successfully wait a few seconds, unplug the router, then plug it back in.
If it says the connection timed out or the transfer failed, prepare the tftp command line again hitting the up arrow key should do it and repeat the previous two steps.
Connect to After trying the first two methods a few times the first method several times in particular I managed to get my v flashed in one try!
As such I am unsure of the exact delay between resetting the router and starting TFTP, but it was definitely less than a second.
At the very least this method is much more enjoyable than unplugging and re-plugging your router over and over again. Start up tftp with the router switched off: tftp As soon as you see the red dot next to "Built-in Ethernet" turn green, hit enter and the firmware should be flashed once the lights on the router stop blinking.
By bypassing the vlan stuff we can get limited functionality from this router. These instructions are for the v24 build of DD-WRT micro not the multi-language version which seems to have stripped out the reboot, ls and other shell commands. A Belkin F5D v as a wireless client. When it starts back up your LAN ports should be active.
Just use the web interface via the LAN port to configure the router as a wireless client. When it starts back up your WAN port should be active. Just use the web interface via the WLAN port to configure the router as an access-point. If you enter in the wrong setting or can not access your router you can always hold down the reset button to restore it to the factory defaults. Remember that we are bypassing all the VLAN stuff so some of the web configurations will not work.
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