Billion BiPAC 8200N User Manual page 84

Idle Timeout: Auto-disconnect the broadband firewall gateway when there is no activity on the line
for a predetermined period of time.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific
headers) that IP will attempt to send through the interface.
MAC Spoofing: This option is required by some service Providers. You must fill the MAC address
specified by your service provider when this information is required. It will temporarily change
your router's MAC address to the one you have specified in this field. The default setting is set to
disable.
Click Apply to confirm the settings.
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