Planet XRT-412 User Manual page 22

Idle Time
TTL
Click <OK> when you have finished the configuration above. Congratulations! You have
completed the configuration for the PPPoE connection. You can start using the router now, if you
wish to use some of the advance features supported by this router see chapter 3, 4, 5.
WAN line breaks down and latter links again, the router will not
auto-connect to the ISP.
You can specify an idle time threshold (minutes) for the WAN
port. This means if no packets have been sent (no one using the
Internet) during this specified period, the router will automatically
disconnect the connection with your ISP.
Select Enable to plus 1 count in TTL response when user try to
ping Internet IP address from LAN. By default, the feature sets to
Disable.
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