Bricked Router
Symptoms: all the LEDs are ON, and you can't access to UI
Follow these steps:
Switch off the router•
Download a complete binary-image of firmware
From the official v1-page OR v2-page♦
From the dd-wrt beta downloads (not tested)♦
•
Rename the downloaded firmware with the following name: archerc9v1_tp_recovery.bin or
"archerc9v2_tp_recovery.bin" if you have a v2 router
•
Serve as TFTP server the renamed firmware on the following IP: 192.168.0.66•
Switch on the router, holding the RESET button for 2-4 seconds•
The firmware will be automatically downloaded and installed by the router•
Symptoms: after the dd-wrt installation the MACs are changed!
https://dd-wrt.com/phpBB2/viewtopic.php?t=282831&start=345•
https://www.dd-wrt.com/forum/viewtopic.php?p=1003571•
https://www.dd-wrt.com/forum/viewtopic.php?p=1116768•
Recovery Mode
The v3 CFE has a built-in Webpage Firmware Recovery mode for bricked routers: see TP-Link article.
TP_Link_Archer_C9
Bricked Router 3