Cisco LINKSYS Etherfast BEFSR41 User Manual page 17

Cable/dsl router with 4-port switch
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Static IP
If you are required to
use a permanent IP
address, then select
Static IP, as shown in
Figure 6-5.
IP Address This is the
IP address
that
the
Router has, when seen
from the Internet. Your
ISP will provide you
with the IP Address you
need to specify here.
Subnet Mask This is
the Router's Subnet
Mask, as seen by exter-
nal users on the Internet
(including your ISP).
Your ISP will provide
you with the Subnet Mask.
Default Gateway Your ISP will provide you with the Default Gateway Address.
Primary DNS and Secondary DNS Your ISP will provide you with at least one
DNS (Domain Name System) Server IP Address.
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Figure 6-5
PPPoE
Some DSL-based ISPs
use PPPoE (Point-to-
Point Protocol over
Ethernet) to establish
Internet
connections
for end-users. If you
use a DSL line, check
with your ISP to see if
they use PPPoE. If they
do, you will have to
enable it, as shown in
Figure 6-6.
User
Name
and
Password
Enter the
User
Name
and
Password provided by
your ISP.
Service Name If provided by your ISP, enter the Service Name.
Connect on Demand and Max Idle Time You can configure the Router to cut
your connection with your ISP after a specified period of time (Max Idle Time).
If you have been disconnected 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 on 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 access disconnects.
Keep Alive Option and Redial Period This option keeps your PPPoE-enabled
Internet access connected indefinitely, even when it sits idle. To use this
option, click the radio button next to Keep Alive. The default Redial Period is
30 seconds.
When you are finished, click the Save Settings button. Then click the Status
tab, and click the Connect button to start the connection.
Important: For DSL users, if you need to enable PPPoE support,
remember to remove any PPPoE applications that are installed on
your PCs.
Figure 6-6
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