@jimi52 Reset the RE500X to its factory defaults and re-configure from scratch. To reset the RE500X push its reset button for about 10 seconds (use a pin).

@nuclearjames IP Passthrough function is to use for example a 3-rd party mesh system behind it - check this article - <https>://help.sonic.com/hc/en-us/articles/1500000066642-BGW320 Using IP...

@5YearWinter You'ill need an mesh system (like Deco or Easymesh) to be able to use it with bgw320-505 router. It's IP Passthrough function is to use for example a 3-rd party mesh router behind it -...

@Veraducks What error message did you receive during setup ? When connected by ethernet cable to your router the RE should be in AP mode. Did you try this video guide - it's the WPS method.

@Notryt It could be either the cable or the switch - refer this document - Q6.

@Yorkdeco Refer this topic.