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EtherFast Cable/DSL Routers
36
Instant Broadband Series
Subnet Mask:
255.255.255.0
WAN IP Address
These values refer to the external network (the Internet)
you connect to every time you access your Internet connection.
Most broadband ISPs assign their clients to a different IP address each time
they log on. If this is the case with your ISP, select
Obtain an IP Address
Automatically
and go to step 5.
If your ISP assigns you a fixed, static IP address, select
Specify an IP
Address
and enter the appropriate values into the
IP Address
,
Subnet
Mask, Default Gateway Address
and
DNS (Required)
fields as provided
by your ISP.
5. When you have properly configured the Setup window, click the
Apply
but-
ton, then click the
Continue
button.
6.
Select the DHCP tab
. For more information on this feature, refer to the
apropriate section under
The Cable/DSL Router’s Web-based Utility
.
7.
DHCP is already enabled on your Router by factory default.
By leaving the
setting on
Enable
, the Router is configured to automatically assign IP
addresses to each of your PCs.
If you already have a DHCP server
on your network, select
Disable
for the
DHCP Server
option.
If you do so, you must use your existing DHCP serv-
er’s LAN IP address, or you may need to assign your Router a new static
LAN IP address.
In the
Number of DHCP Users
field, you may enter the number of PCs you
plan on networking to the Router. If you add more PCs to your network in
the future, don’t forget to change this value.
8. Click the
Apply
button and then click the
Continue
button.
9.
Reset the power on the cable or DSL modem
, and restart the PC so
the new Router settings will take effect.
35
The Cable/DSL Router’s Web-based
Utility
Quick & Easy Router Administration
The EtherFast Cable/DSL Router uses a web browser-based administrative
Utility that is programmed into a chipset.
All administrative tasks for the
Router are performed through this Setup Utility. The Utility can be accessed
through any PC on the network by typing
into the
web browser’s
Address
field (even if that PC does not yet have Internet access),
shown below.
After entering the address value into the web browser, a password request page
will pop up as shown below. Leave the User Name field blank and type
admin
” into the Password field.
Then click the
OK
button.
In this section, you’ll find brief descriptions of each web page in the Utility and
each page’s key functions. More detailed explanations and instructions can be
found by clicking each page’s
Help
button in your Router’s Setup Utility.
To apply any of the settings you change on a page, click the
Apply
button, and
then click the
Continue
button.
To clear any values you’ve entered on any
page, click the
Cancel
button.
If you need to enable PPPoE support, choose
PPPoE
. If you
do enable PPPoE, remember to remove any existing PPPoE
applications already on any of your PCs.
More information
on
PPPoE
can be found under the
Setup
heading in the next
section.
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EtherFast Cable/DSL Routers
38
Instant Broadband Series
37
• WAN IP Address
This is the IP address that your Router has, when seen
from the external WAN, or the Internet.
• Subnet Mask
This is the Router’s Subnet Mask, as seen by external users
on the Internet (including your ISP). If you select
Obtain an IP address
automatically
, your ISP will assign these values.
• Default Gateway Address
Your ISP will provide you with the Default
Gateway IP Address. If you select
Obtain an IP address automatically
,
your ISP will assign these values.
• DNS (Domain Name Server) IP Address
Your ISP will provide you with
at least one DNS Server IP Address. If you select
Obtain an IP address
automatically
, these values will be assigned by your ISP.
• PPPoE (Point-to-Point Protocol over Ethernet)
Some DSL-based ISPs
use PPPoE to establish communications with their end-users. If you are
using a DSL line, check with your ISP to see if they use PPPoE. If they do
use PPPoE, you must enable it.
To enable PPPoE:
1. Click on the
PPPoE
option in the Login section of the
Setup
screen.
2. Enter the
User Name
you use to log on to your Internet connection.
3. Enter your corresponding
Password
.
• Connect on Demand
If you aren’t actively using the Internet, you can con-
figure your Router to cut your connection with your ISP after a certain peri-
od of time. If you have been disconnected due to inactivity,
Connect on
Demand
enables your 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
, choose the
Enable
option.
• Max Idle Time
Max Idle Time
is the number of minutes that passes before
the Router drops your Internet connection, due to inactivity. If you want
your Internet connection to remain on at all times, enter zero (
0
) in this field
and click the
Apply
button.
Otherwise, enter in the number of minutes you
want to elapse before your Internet access disconnects.
• Keep Alive Option
This option keeps your PPPoE-enabled Internet access
connected indefinitely, even when it sits idle.
It keeps the connection alive
by sending out a few data packets periodically, so your Internet service
thinks that the connection is still active.
To use this option, click on the box
next to
Keep Alive
to select it, and click the
Apply
button.
You can check whether the values you entered for the above
settings are correct by testing your Internet access.
Setup
The Basic Setup screen is the first screen you see when you access the Setup
Utility. If you have already installed and set up your Router, you have already
seen this screen and properly configured all of the screen’s values.
• Host Name & Domain Name
These fields allow you to supply a host and
domain name for the Router. Some ISPs require these names as identifica-
tion. You may have to check with your ISP to see if your Broadband Internet
service has been configured with a host and domain name. In most cases,
leaving these fields blank will work.
• Firmware Version
This entry shows the version and date of the firmware
you are using. Future versions of the Router’s firmware will be posted and
available for download on the Linksys Web site at
www.linksys.com
.
• LAN IP Address and Subnet Mask
The values for the Router’s IP Address
and Subnet Mask are shown here. The default value is 192.168.1.1 for the
IP address and 255.255.255.0 for the Subnet Mask.
Note:
The Setup
page in this pic-
ture may differ
slightly from the
one you see.
Page 23 / 45
Password
It is
strongly
recommended that you set a password for the Router. When you
first power up the Router, there is no default Password setting assigned.
If you leave the password field blank, all users on your network will be able to
access the Router simply by entering the unit's IP address into their web brows-
er's location window.
If you select the Restore Factory Default option and click the
Apply
button,
you will clear all of the Router’s settings.
Do not restore the factory defaults unless you are having difficulties with the
Router and have exhausted all other troubleshooting measures. Once the Router
is reset, you will have to re-enter all of your configuration data.
Status
EtherFast Cable/DSL Routers
40
Instant Broadband Series
39
This tab displays the current status of the Router; it reflects the data and selec-
tions you’ve entered under the Setup tab.
All of the information provided on this screen is read-only.
To make changes,
select the Setup tab.
• Host Name
This field shows the name of your Router. This entry is neces-
sary for some ISPs.
• Firmware Version
This field shows the installed version and date of the
firmware.
Version dates are slightly more accurate than version numbers.
• Login
This field shows whether you have enabled the use of the Router’s
PPPoE (Point-to-Point Protocol over Ethernet) support.
• LAN
These fields display the current IP Address and Subnet Mask of the
Router, as seen by users on your internal network.
DHCP Server
shows
the status of the Router's DHCP server function, which is either enabled or
disabled.
Status
Password
Page 24 / 45
EtherFast Cable/DSL Routers
42
not be greater than 253.
In order to determine the DHCP IP Address range,
add the starting IP address (e.g. 100) to the number of DHCP users.
By
default as shown, add 100 to 50, and the range is 192.168.1.100 to
192.168.1.150.
• DHCP Clients Table
Click on the
DHCP
Clients Table
button to show the
current DHCP Client data. (This data is stored in temporary memory and
changes periodically).
The Log feature provides you with a log of all incoming and outgoing URLs or
IP addresses for your Internet connection.
The Logviewer keeps track of all
incoming and outgoing activity that can be saved in a text file.
The IP address
points to the location where Logviewer is running.
Outgoing Access Log lists all the URLS or IP addresses of Internet sites that
users on your network have accessed, and Incoming Access Log gives you a log
of all incoming Internet traffic.
This data can also be accessed by other network users if the file is shared out.
1. To activate logging, select
Enable
next to "Access Log."
2. Specify the IP address of the PC that you want to send the log to.
Make
sure that this PC is using a static IP address. Click the
Apply
button and then
the
Continue
button when you're done. You may download the Logviewer
software at
www.linksys.com
for more information.
3.
Click on
Outgoing Access Log
or
Incoming Access Log
to view each log.
4.
To disable Logging, select
Disable
in the Log window, then click the
Apply
button and the
Continue
button.
Logging
Instant Broadband Series
41
• WAN
These fields display the WAN IP Address, WAN Subnet Mask and
WAN Default Gateway IP address of the Router, as seen by external users
on the Internet. The
DNS (Domain Name System) IP Address
fields show
the IP address(es) of the DNS currently used by the Router. Multiple DNS
IP settings are common. In most cases, the first available DNS entry
is used.
• DHCP Clients Table
This table lists the PCs that were given IP addresses
by the Router.
DHCP
A DHCP (Dynamic Host Configuration Protocol) server automatically assigns
IP addresses to each PC on your network for you. Unless you already have one,
it is highly recommended that you leave your Router enabled as a DHCP serv-
er.
• DHCP Server
DHCP is already enabled by factory default.
If you already
have a DHCP server on your network, set the Router's DHCP option to
Disable
and click the
Apply
button, then the
Continue
button.
If you dis-
able DHCP, remember to assign a static IP address to your Router.
• Starting IP Address
Enter a value for the DHCP server to start with when
issuing IP addresses.
This value must be (192.168.1. 2) or greater, because
the default IP address for your Router is
192.168.1.1
.
• Number of DHCP Users
(Optional) Enter the maximum number of PCs
that you want the DHCP server to assign IP addresses to. This number can-
Page 25 / 45
EtherFast Cable/DSL Routers
To upgrade the Router’s firmware:
1. Select the
Help
tab (shown on the
previous page).
2. Click on
Upgrade Firmware
to display a new window (shown below):
3. Enter your Router’s administration password into the
Password Confirm
field.
4. Click the
Browse
button to find the firmware upgrade file that you down-
loaded from the Linksys Web site.
5.
Double-click the Upgrade file.
Click on the
Upgrade
button and follow
the instructions there.
Instant Broadband Series
44
NOTE: By upgrading the Router’s
firmware, you may lose the Router’s
configuration settings.
43
Under the Help tab, you’ll find links to all of the Utility’s internal support doc-
umentation, including the application that upgrades the Router’s firmware.
New firmware versions are posted at
www.linksys.com
and can be downloaded
for free.
If your Router can access the Internet already, there’s no need to
download a newer firmware version, unless that version has a new feature that
you want to use.
Loading new firmware onto your Router does not enhance the
speed or the quality of your connection speed.
See the next section for directions on enabling remote firmware upgrades (IP
Filtering).
Dynamic Routing
Help

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