There are three different types of hardware and two different roles that hardware can play. The types of hardware are:
- Nest WiFi Router
- Nest WiFi Point
- Google WiFi
The Nest WiFi Router and Google WiFi units both have Ethernet ports. The Nest WiFi Point units do not have Ethernet ports (but they do have built in smart speaker features).
The two different roles that hardware can play include:
- Router/primary (the device connected to your internet service via Ethernet)
- Point/secondary (other Google/Nest WiFi devices added to the system)
So, therein lies the confusion. One of the types of hardware has the same name as one of the roles that hardware can play. To help clear that up a bit, the Nest WiFi Router and Google WiFi units can be either router/primary or point/secondary roles in a system, but the Nest WiFi Point units can only be point/secondaries, largely because they don't have Ethernet ports. In that support page, they sometimes refer to Google WiFi "point" units, because those are Google WiFi units that are configured as point roles in the system.
So, with that as context, I'm afraid it's still not entirely clear what you're trying to accomplish. If you just want to connect some Ethernet devices to your Nest WiFi system, you can easily do that by connecting an inexpensive unmanaged Ethernet switch to the LAN Ethernet port on your primary Nest WiFi Router (the one connected to your internet service). That support page describes that scenario among others.
But, since there are so many different ways to connect things like this, it's really important to be crystal clear about what exactly you're trying to do. Maybe you could try to sketch the problem you're trying to solve?
