Hi @kenw6422    Our supplied Sagemcom modem/router does not have the option to disable AP isolation.    Another workaround is to use a 3rd party router extension to connect to the SagemCom so you can connect the Chromecast to the Wi-Fi extension.   Regards,   I noticed the chromcast works fine when it is connected via LAN... When they say the sagem modem is not compatible it is not true. I was with Vodafone 5G before, tjhey supply exactly the same modem but with different configuration. Chromecast was working fine!   ... View more