Orbi RBR10 place in network

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Melliw wrote:

Since a few days an Orbi RBR10 has been placed in my house, it was done by someone but now I am wondering if it was correctly placed (company is not getting back to me).

Anyways let me describe how it looks currently.

Internet Provider Modem -> Switch -> Orbi and other devices

Is this correct?

Somehow I have a feeling it should be more:

Internet Provider Modem -> Orbi -> Switch -> other devices

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You are correct. If the Internet Provider Modem is "only a modem" (not a router or WiFi router), then the correct installation should be:

Internet Provider Modem->Orbi router->Switch->other devices.

If the Internet Provider Modem is actually a router, then it will work the way it is, but is not recommended unless the Orbi is placed in Access Point (AP) mode.

It is not critical ("the sky is falling!" - a reference to Chicken Little), but there are definite issues with having the provider device set up as a router and the Orbi also set up as a router.  Here's what Netgear says: https://kb.netgear.com/30186/What-is-Double-NAT 

p.s. sorry for the attempts at humor.  It is late here and Pinot Grigio is my antidote for "the Covid-19 Blues"