Belkin F5D7231-4 User Manual page 40

Alternate Setup Method
Configuring your WAN Media Access Controller
(MAC) Address
All network components including cards, adapters, and routers, have
a unique "serial number" called a MAC address. Your Internet Service
Provider may record the MAC address of your computer's adapter and
only let that particular computer connect to the Internet service. When
you install the Router, its own MAC address will be "seen" by the
ISP and may cause the connection not to work. Belkin has provided
the ability to clone (copy) the MAC address of the computer into the
Router. This MAC address, in turn, will be seen by the ISP's system as
the original MAC address and will allow the connection to work. If you
are not sure whether your ISP needs to see the original MAC address,
simply clone the MAC address of the computer that was originally
connected to the modem. Cloning the address will not cause any
problems with your network.
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