DD-WRT

DD-WRT is one of the oldest third-party router firmware projects.

Official Website: https://dd-wrt.com/

Founded: 2005

DD-WRT is a Linux-based open-source router firmware known for its rich features.

• Extremely rich features
• Supports over 1000 devices
• Built-in WiFi analyzer
• Supports VLAN, bridging, routing
• Powerful QoS traffic control
• Supports multiple VPN protocols
• Customizable kernel
• Suitable for advanced users

=== Linksys ###

• WRT54G series (classic)
• WRT1900AC / WRT1900ACS / WRT1900ACv2
• WRT3200ACM (full support)

=== Netgear ###

• R7000 / R7000P (Nighthawk)
• R6300 / R6400
• R8500 / R9000

=== TP-Link ###

• TL-WR841N / TL-WR841ND
• TL-WR1043ND
• Some Archer series

=== ASUS ###

• RT-N66U
• RT-AC66U

=== Others ###

• Buffalo WHR-HP-G54
• Belkin F5D7230
• Many MIPS/ARM devices

=== Flash via Web ###

1. Download appropriate .bin file
2. Enter OEM Web interface
3. Firmware Upgrade
4. Upload and wait for completion

=== Flash via TFTP ###

1. Set computer IP: 192.168.1.x
2. Enable TFTP server, place firmware in it
3. Power off router
4. Hold Reset button and power on
5. Wait for indicator light to change
6. TFTP client sends firmware

=== 30-30-30 Hard Recovery ###

1. Power on router for 30 seconds
2. Hold Reset for 30 seconds
3. Power off for 30 seconds
4. Power on again, wait for recovery mode

=== Basic Network Settings ###

# Via SSH/Telnet login
# Default IP: 192.168.1.1
# Default user: root
# Default password: admin

### Via Web Interface

1. Setup → Basic Setup
2. WAN Connection Type
3. LAN Settings
4. DHCP Server

=== WiFi Settings ###

1. Wireless → Basic Settings
2. Wireless Security
3. MAC Filter

=== QoS Traffic Control ###

1. Access Services → QoS
2. Rule priority: Express → Highest → High → Fair → Low
3. Port/IP/MAC-based speed limit

=== VPN Configuration ###

1. Services → VPN
2. OpenVPN or PPTP server/client

=== Will Not Boot After Flashing ###

1. Use 30-30-30 recovery
2. Reflash via TFTP

=== WiFi Not Working ###

1. Check wireless settings
2. Confirm hardware support

=== How to Restore OEM ###

1. Upload OEM firmware via Web interface
2. Or flash via TFTP

=== Bricked, What to Do ###

1. TTL Serial unbrick
2. JTAG flash (some models)

• Website: https://dd-wrt.com/
• Firmware database: https://dd-wrt.com/site/support/other-downloads
• Forum: https://forum.dd-wrt.com/
• Device support list: https://dd-wrt.com/site/support/devices