D-Link AirPlus DI-614+ Manual page 19

Using the Configuration Menu
Home > WAN > PPPoE (Continued)
Primary DNS
Address
Secondary DNS
Address
Maximum
Idle Time
MTU
Auto-reconnect
You will get the DNS IP automatically from your ISP but you
may enter a specific DNS address that you want to use instead.
(Optional) Input the secondary DNS address.
Enter a maximum idle time during which Internet connection is
maintained during inactivity. To disable this feature, enable Auto-
reconnect.
Maximum Transmission Unit; default is 1492; you may need to
change the MTU to conform to your ISP.
If enabled, the Broadband Router will automatically connect to
your ISP after your system is restarted or if the connection is
dropped.
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