To disable / turn off the TP Link Ancher 7(US) AP Isolation, Go to Advance then Go to System Tools> System Preference and then you will see the AP Isolation (see screenshot). If you do not see System Tools either scroll down on the left side bar of the TP link WIFI net or zoom out of the page and you will see it! (Believe me I had this problem and eventually figured out how to scroll on the exact menu). My Chromecast still can't be seen on Google Home; although, its connected to internet and I can see it on TP Link WIFI webpage.  ... View more