@Chetas That's usually a cabling issue. Try using another C6 LAN port to connect A6 or change the cable with a good quality one of CAT 5e or above.

@dewul TL-SG105 is an unmanaged switch, thus it doesn't have any settings to change - it's a plug 'n' play device. Here's how green-ethernet technology works and I think the issue is not caused by...

@Arrifano Go through this guide on how to configure PArental Controls. Pay attention to the notes in the red color.

@palo4578 That's a know behavior since you don't use the C80 WAN port in this scenario. Regarding time setting try this post suggestion and check if it works in your case.

@Sylvia2257 Refer to this solution regarding your inquiry.

@J-Victor_2024 That's a good question. Your router model is EX220 v1. It usually has been provided by ISPs for their customers. Here you can find its user guide. Take a look at Chapter 14 - QoS....