TP-Link TL-R402M - Manual (Page 19)

TL-R402M Cable/DSL Router User Guide
MTU Size - The normal MTU (Maximum Transmission Unit) value for most
Ethernet networks is 1500 Bytes. For some ISPs you may need to modify the MTU.
But this is rarely required, and should not be done unless you are sure it is
necessary for your ISP connection.
Primary DNS - (Optional) Type the DNS address in dotted-decimal notation
provided by your ISP.
Secondary DNS - (Optional) Type another DNS address in dotted-decimal notation
provided by your ISP if provided.
3. If you choose PPPoE, you should enter the following parameters (figure 5-6):
Figure 5-6 WAN - PPPoE
User Name/Password -
Enter the User Name and Password provided by your ISP.
These fields are case-sensitive.
Connect on Demand -
You can configure the router to disconnect your Internet
connection after a specified period of inactivity (Max Idle Time). If your Internet
connection has been terminated due to inactivity, Connect on Demand enables the
router to automatically re-establish your connection as soon as you attempt to
access the Internet again. If you wish to activate Connect on Demand, click the
radio button. If you want your Internet connection to remain active at all times, enter
0 in the Max Idle Time field. Otherwise, enter the number of minutes you want to
have elapsed before your Internet connection terminates.
Caution
: Sometimes the connection cannot be disconnected although you specify a
time to Max Idle Time. This is because there may still be active applications in the
background, which may cause fee accounted by your ISP.
Connect Automatically - Connect automatically after the router is disconnected. To
use this option, click the radio button.
Connect Manually - You can configure the router to make it connect or disconnect
manually. After a specified period of inactivity (Max Idle Time), the router will
disconnect your Internet connection, and not be able to re-establish your connection
automatically as soon as you attempt to access the Internet again. To use this option,
click the radio button. If you want your Internet connection to remain active at all
times, enter 0 in the Max Idle Time field. Otherwise, enter the number in minutes
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