https://dd-wrt.com/support/router-database/?model=LaFonera_2100 https://wiki.dd-wrt.com/wiki/index.php/LaFonera_Software_Flashing#Step_6_-_Get_the_DD-WRT_binaries
https://openwrt.org/toh/fon/fonera
Jailbreak Fon 2100 routers.
See breakfon.sh.
If you want to use a different (non-openmesh) image, use this open-mesh-flash command instead:
sudo ./open-mesh-flash eth0 flash-images/openwrt-atheros-root.squashfs flash-images/openwrt-atheros-vmlinux.lzma