@ParkerinOH The password should be the one you use to log into the web interface of RE200 and maybe you could try admin. And it could be reset via the reset pinhole on RE200, holding it for 10s Best...

@Daizer Which light is flashing blue？Did you set it up via WPS button? maybe you could try to set it up via the Tether APP or web interface. How to configure Range Extender via Tether APP

@ibro67 Have you tried the beta firmware here: https://community.tp-link.com/en/home/forum/topic/273730

@rainbow6 Normally, the WAN IP is assigned by ISP directly, maybe you could check with ISP whether they are able to provide a fixed WAN IP address for you, a public one would be perfect. It is also...

@Omaryasser Hi, you could try to change the DNS server under Advanced>network>internet>WAN interface, such as 8.8.8.8/8.8.4.4

@Tazcom Have you ever checked whether there is a power saving mode on the Archer VR600V? maybe it could be disabled.