Hi, on the web page of the TL-WR940N, change the wan connection on the ipv6 menu may solve the issue. It's suggested to use the DHCPv6 or the SLAAC in the IPv6 Support->IPv6 Setup page. :-)

The HS300's remote control function should be enabled after you configured the HS300 successfully. Is there any error message when configure with alexa ?

Hi, maybe parental control function can meet your inquiry. Here is the instruction: https://www.tp-link.com/en/faq-1707.html

For this kind of issue, the working mode of the TL-MR3020 and the ip address information is very important. Is there any update of the working mode of the TL-MR3020? How about the ip address and...

Hi, TP-Link smart bulbs do not support away mode.

Hi, You mean the Wi-Fi icon at the upper right corner sometimes disappear? Have you installed the tplink official driver and utility?