@Prash83 If your WA850RE is HW v7 (that's on its bottom sticker) update it to its latest FW version from here and test if there's an improvement.

@Tone42 There's no way to delay the router reboot time. If the router has an auto-reboot schedule feature you can use it to schedule a reboot (not sure if C9 has this implemented). In general if your...

@RockyBite If you connect them with a cable you can use them together (Deco in AP mode) but they won't build a mesh network. If you want a wireless connection between those two you'd better get an AX...

@JohnRose Try to delete that via Advanced=>Security=>IP & MAC Binding=>ARP List: or if that doesn't work just reboot teh router.

@dl8dtl I would connect with a cable directly to the AP and update its FW to v1.0.2, then check if it works as expected. This is in case you're using VLANs in your network setup and your AP is in...

@JohnRose Using DHCP address reservation makes sense when the reserved IP address is in the router DHCP address pool. Outside the router DHCP pool you could set your static IP addresses. So try to...