Actiontec electronic R4500U - Manual (Page 43)

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Actiontec USB/Ethernet DSL Modem User Manual
MAC Address Cloning
Selecting MAC Address Cloning in the “Configuring the Advanced Settings”
screen generates the “ MAC Address Cloning” screen. A MAC (media access control)
address is an identifier unique to every networkable device. Some ISP s require a
MAC address to validate a computer’s permission to be on their network. If the ISP
requires this information, obtain the MAC address of the computer originally con-
figured for the ISP (see Appendix C for instructions to determine the computer’s
MAC address). Enter the MAC address in the “User Select WAN MAC Address” text
boxes in the “ MAC Address Cloning” screen.
NAT (Network Address Translation)
Selecting NAT in the “Configuring the Advanced Settings” screen generates the
“ NAT ” screen. Disabling NAT allows the computers connected to the
Modem/Router to be accessed by outside parties. Do not turn NAT off unless
instructed to do so by the ISP.