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Forum Discussion
ORBI
Hi there gang! I have a quick question I think I have double nat as I have an orbi installed (router mode) behind a comcast gateway that is broadcasting a wifi signal too and is not in bridge mode....
If you are switching the Comcast gateway to bridge mode, then you would want to leave the Orbi in router mode. At least one of the devices needs to be a router. Once the Comcast gatway is in bridge mode, it will stop NAT'ing, but you want to ensure that the Orbi still does NAT.
Thank you!
I see, so putting the orbi into AP mode doesn't allow it to be a router? (assuming the comcast gateway is in bridge mode)
Why would you even want ap mode?
Correct - no router in AP mode.
AP mode is useful becasue the router also performs network address translation (NAT). With NAT, you have 1 single upstream address that gets translated to multiple downstream (client) addresses. If both your Comcast gateway and Orbi are in router mode, then both are doing NAT, and double-NAT can sometimes interfere with some applications.In AP mode, the upstream gateway handles all NAT (and security), and the Orbi just sort of transparently connects clients to the gateway.