Draytek Vigor2130 Series User Manual page 118

Redial Policy
Idle Time Out
MTU Size
Enable/Disable
Clone MAC Address
After finishing all the settings here, please click OK to activate them.
If you want to connect to Internet all the time, you can choose
Always On. Otherwise, choose Connect on Demand.
Set the timeout for breaking down the Internet after passing
through the time without any action. When you choose Connect
on Demand, you have to type value here.
It means Max Transmit Unit for packet. The default
setting is 1442.
Click Enable for activating this function. If you click Disable,
this function will be closed and all the settings that you adjusted
in this page will be invalid.
It is available when the box of Enable is checked. Click Clone
MAC Address. The result will be displayed in the field of
MAC Address.
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Vigor2130 Series User's Guide