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Forum Discussion
mwoolfso
Dec 08, 2025Aspirant
Orbi RBE770/771 Mesh - Static IP a NOGO
I purchased the Orbi system in January 2025 and most of that time I had this system running behind my private LAN as a router - technically speaking, double-NATing. For clarity I have 30+ years in I...
CrimpOn
Dec 08, 2025Guru - Experienced User
So, all five of the assigned Static IPs have the same gateway IP address and subnet mask, correct?
I am wondering how FIOS knows which hardware MAC address is related to each Static IP address. The Ethernet switch knows nothing about IP addresses. It has an internal table that shows which Ethernet port is used to reach the MAC addresses that it has learned.
I am guessing that the device with a Static IP sends out an ARP request, "who has the gateway IP address?", gets a response from FIOS, "this MAC address has that IP address", and then starts talking to FIOS.
Would love to monitor the conversation between that laptop and FIOS and see how it compares to the Orbi RBE771 router and FIOS.
- mwoolfsoDec 08, 2025Aspirant
Yes, and I've had this service for > 5 years, all IP's have worked and there is no MAC address binding that occurs with the FIOS equipment upstream - works against the whole premise of the service given I declined their router.
I may try something, though, since the normal procedure isn't working then what's to say a rigged approach wouldn't. Thanks.