@MasterR Some of newer devices have that feature enabled by default.

@user91 The standard way for communication with the time servers should be on UDP 123. But that should be confirmed by TP-Link. I believe the quickest way to exclude ISP problem is to try the device...

@pirx Here's - https://superuser.com/questions/904476/what-is-the-difference-between-arp-binding-and-dhcp-address-reservation a pretty good explanaition of the difference between those two features.

@PSA7 Yes, you can do that. The setting you're looking for is here: Here's the guide.

@rkiley Search for this setting in your device: If you don't have this setting, try to disable SPI Firewall and test to see if that helps.

@Boisey1 Archer A7 would be the better choice in terms of future speed and infrastructure upgrades. It's also a dual band (supports 5GHz band as well) device with gigabit ethernet ports, which will...