If it is a permanent configuration, you can try making the settings to uci commands and put them in /etc/rc.local.
After each restart, it will be automatically set to achieve the permanent configuration.
VLAN settings depends on your customize configuration.
After Luci is configured, click Save (not click Save and Apply). There is an operation record in the upper right corner, and the commands of UCI are included.
After doing one operation, optimize them as you need and put them in rc.local.