Im setting up a SXT LTE 4G external router and want to have the hAP AC Lite as an internal access point. What configuration is required to get it working correctly?
SXT LTE 4G works as router itself.
hAP ac lite works as router and accesspoint itself.
Problem is that both will be use the same subnet 192.168.88.x what means you must select one of it and enter QuickSet and change the LAN IP Addressation like to 192.168.87.x and this solve problem.
If your intent is to use vlans, here is an excellent reference you could use on setting up both,
one as a router, one as a switch/access point. viewtopic.php?f=23&t=143620