Updating d link firmware
A standard build is required to use Open VPN, which requires at least 8mb flash.
Here are some other good choices, as of Nov 2017: One can also search on Amazon for DD-WRT compatible routers just make sure to double check them against the Supported Devices list.
For cable and satellite users, generally DHCP is the correct setting. For users trying to share a dial-up connection, you'll need to read the Wiki article Sharing Dialup.
At any rate, it's a near 99% chance that the problem is not your DD-WRT firmware, but instead a lack of understanding with networking. DD-WRT uses DNSMasq and does not give sequentially ordered IP addresses.
Telnet/SSH username is always root and the password is always the same as the GUI password. We have a page in the Wiki just for you: Router Slowdown Look into Qo S: Quality of Service If you've read the previous question and it didn't help, then your router's HTTP Daemon might not be running. Another problem that currently causes this is incorrect HTTP Redirector settings, found at "Administration" A problem for which there is no single common fix.
Understanding some basics about networking, subnets, NAT, etc.
Also, check the wiki and the forums for router specific instructions. If your router doesn't have DD-WRT installed yet, try or or else consult the manufacturer's documentation. Whether you have DD-WRT installed or not, make sure your comp. After factory defaults init (push down reset button at least 20 seconds) try to access it by inputting the following command in command prompt: telnet 192.168.1.1 Make sure you have a compatible router. It's always recommended that you reset to default settings before and after the flash.
You can also buy a router with DD-WRT preinstalled if you want to avoid the hassle of installing DD-WRT, although this is often more expensive. First of all, DO NOT USE THE ROUTER DATABASE, it is old and outdated. #File Versions to know which image has which feature-set.
Note 1: All builds on the ftp are released without being tested, or minimally (only some hardware). Note 2: You may want to read the relevant build thread on the forum.
Normally, the GUI flashing method should be used; this should be adequate for standard situations. If you forgot your username or password, see Hard reset or 30/30/30 and Reset And Reboot.
Keep in mind, versions post-v24 SP1, so builds 24XXX, now require you to change the username and password on first boot.
Some ISPs not using PPPo E expect the MAC address (hardware address) of the router to match that of your computer, especially when you used your computer without the router to setup everything initially.