I have a Linksys WRT1900ACS v2 with LEDE Reboot 17.01.2 up and running for quite some months now and has been stable since the install.
Just yesterday it started to block my daughter's tablet internet access for no particular reason. The tablet, connects to the Lede router but there is no internet.
I have checked the firewall rules, disabled firewall at boot but the tablet still has no internet. As its been a while, I have also updated all the installed packages with:
Still the problem persists. Also as I forgot to mention, I have rebooted both the router and the tablet multiple times and also factory restored the tablet