I recently installed OpenWRT on my Fritz!Box 7490 with no problems.https://openwrt.org/toh/avm/fritz.box.7490
But while configuring it I accidentally deleted br-lan, which made me loose any form of access to the device. I then booted it into failsafe, where I can get an unidentified network on LAN port 1 but no ssh. The router has no reset button so I can't reset it.
What could be the cause, how can I fix this. I really would like to avoid having to use physical serial!
Set a fixed ip in 192.168.1.x network /24 and connect?
Set my PC to 192.168.1.2 with 255.255.255.0 and tried ssh root@192.168.1.1 with no success
A few things to verify:
Likely, the WPS key is what will get you into failsafe mode... did you observe one of the LEDs blinking rapidly to indicate you were in failsafe mode?
This should work...
Make sure that you are connecting via ethernet directly between the FB and your computer, no intermediate equipment.
Also, be sure that wifi is disabled on your computer, and that there is only the single connection to the computer (as well as the FB).
Try pinging 192.168.1.1 and see if you get a response.
If everything else fails, you can always flash OpenWrt again, just as you did when coming from Fritz!OS (using the bootloader's (ADAM2) ftpd implementation). Really bricking this device is hard, so you will be able to recover this (easily).
I ended up using hardware serial to fix it, since even ftpd was not working for me like when I originally flashed it, but it lives again!
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