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Chapter 4: Configuring the ADSL Modem
The Setup Tab
ADSL Modem
RFC 2516 PPPoE
Some DSL-based ISPs use PPPoE (Point-to-Point Protocol over Ethernet) to establish Internet connections. If
you are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoE. If they do,
you will have to enable PPPoE.
• User Name and Password. Enter the User Name and Password provided by your ISP.
• Keep Alive: Redial Period. If you select this option, the Modem will periodically check your Internet
connection. If you are disconnected, then the Modem will automatically re-establish your connection. To
use this option, click the Keep Alive radio button. In the Redial Period field, specify how often you want
the Modem to check the Internet connection. The default Redial Period is 3 minutes.
• Connect on Demand: Max Idle Time. You can configure the Modem to disconnect the Internet connection
after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has
been terminated due to inactivity, Connect on Demand enables the Modem to automatically re-establish
your connection as soon as you attempt to access the Internet again. To use this option, click the Connect
on Demand radio button. In the Max Idle Time field, enter the number of minutes you want to have
elapsed before your Internet connection terminates.
RFC 2364 PPPoA
Some DSL-based ISPs use PPPoA (Point-to-Point Protocol over ATM) to establish Internet connections. If you
are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoA. If they do, you
will have to enable PPPoA.
• User Name and Password. Enter the User Name and Password provided by your ISP.
• Keep Alive: Redial Period. If you select this option, the Modem will periodically check your Internet
connection. If you are disconnected, then the Modem will automatically re-establish your connection. To
use this option, click the Keep Alive radio button. In the Redial Period field, specify how often you want
the Modem to check the Internet connection. The default Redial Period is 3 minutes.
• Connect on Demand: Max Idle Time. You can configure the Modem to disconnect the Internet connection
after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has
been terminated due to inactivity, Connect on Demand enables the Modem to automatically re-establish
your connection as soon as you attempt to access the Internet again. To use this option, click the Connect
on Demand radio button. In the Max Idle Time field, enter the number of minutes you want to have
elapsed before your Internet connection terminates.
Figure 4-6: RFC 2516 PPPoE
Figure 4-7: RFC 2364 PPPoA