How to set up the VLAN for IoT Wi-Fi on Flint 3(GL-BE9300)

[9b9e69c2-4b75-4420]

No IPv6 for wired device with Flint 2

Add anything you need to keep to /etc/sysupgrade.conf. Be mindful it'll also grab the /etc/config/firewall so you may not want to restore that one. They're just UTF-8/LF text files in the resulting tarball. opkg update && openssh-sftp-server is recommended.