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Chapter 4
Advanced Configuration
10
Wireless-G ADSL Home Gateway
IP Settings
Select
Obtain an IP Address Automatically
if your ISP
says you are connecting through a dynamic IP address.
If you are required to use a permanent (static) IP address
to connect to the Internet, then select
Use the following
IP Address
. Your ISP provides the settings needed for the
following fields:
Internet IP Address
Enter the Gateway’s IP address, as
seen from the Internet.
Subnet Mask
Enter the Gateway’s Subnet Mask, as seen
from the Internet (including your ISP).
Default Gateway
Enter the IP address of the ISP server.
Primary
(Required)
and
Secondary
(Optional)
DNS
Enter the DNS (Domain Name System) server IP
address(es) provided by your ISP. At least one is required.
Bridge Mode Only
If you are using your Gateway as a bridge, which makes
the Gateway act like a stand-alone modem, select
Bridge
Mode Only
. All NAT and routing settings are disabled in
this mode.
Internet Connection Type > Bridged Mode Only
Optional Settings
Some of these settings may be required by your ISP. Verify
with your ISP before making any changes.
Optional Settings
Host Name and Domain Name
These fields allow you
to supply a host and domain name for the Gateway.
Some ISPs, usually cable ISPs, require these names as
identification. 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.
MTU
MTU is the Maximum Transmission Unit. It specifies
the largest packet size permitted for Internet transmission.
Select
Manual
if you want to manually enter the largest
packet size that is transmitted. To have the Gateway select
the best MTU for your Internet connection, keep the
default,
Auto
.
Size
When Manual is selected in the
MTU
field, this option
is enabled. Leave this value in the 1200 to 1500 range. The
default, MTU is configured automatically.
Network Setup
The Network Setup section changes the settings on the
network connected to the Gateway’s Ethernet ports.
Wireless setup is performed through the Wireless tab.
Router IP
The values for the Gateway’s Local IP Address and Subnet
Mask are shown here. In most cases, keeping the default
values will work.
Router IP
Local IP Address
The default value is
192.168.1.1
.
Subnet Mask
The default value is
255.255.255.0
.
Network Address Server Settings (DHCP)
The settings allow you to configure the Gateway’s Dynamic
Host Configuration Protocol (DHCP) server function. The
Gateway can be used as a DHCP server for your network.
A DHCP server automatically assigns an IP address to each
computer on your network. If you choose to enable the
Gateway’s DHCP server option, make sure there is no
other DHCP server on your network.
Network Address Server Settings (DHCP)
DHCP Server
A Dynamic Host Configuration Protocol
(DHCP) server automatically assigns an IP address to each
computer on your network for you. Unless you already
have one, Linksys recommends that you keep the default,
Enable
. You can also use the Gateway in DHCP Relay
mode. (This setting is not available for all encapsulation
types.)
DHCP Relay
To use the Gateway in DHCP Relay mode
instead of using it as a DHCP server, select this option.
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Chapter 4
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11
Wireless-G ADSL Home Gateway
DHCP Server
Enter the DHCP server IP address to relay
DHCP requests from the local network when the Gateway
is in DHCP Relay mode. (This setting is not available for all
encapsulation types.)
Starting IP Address
Enter a value for the DHCP server
to start with when issuing IP addresses. Because the
Gateway’s default IP address is 192.168.1.1, the Starting IP
Address must be 192.168.1.2 or greater, but smaller than
192.168.1.253. The default is
192.168.1.100
.
Maximum Number of DHCP Users
Enter the maximum
number of users (network devices) that can obtain an IP
address. The number will vary depending on the starting
IP address entered and cannot be greater than 253. The
default is
50
.
Client Lease Time
The Client Lease Time is the amount
of time a network device will be allowed connection to
the Gateway with its current dynamic IP address. Enter the
number of minutes that the device will be “leased” this
dynamic IP address. After the time is up, the device will
be automatically assigned a new dynamic IP address. The
default is
0
minutes, which means one day.
Static DNS 1-3
The Domain Name System (DNS) is how
the Internet translates domain or website names into
Internet addresses or URLs. At least one DNS server IP
address is provided by your ISP. You can enter up to three
DNS server IP addresses here. The Gateway will use these
for quicker access to functioning DNS servers.
WINS
The Windows Internet Naming Service (WINS)
converts NetBIOS names to IP addresses. If you use a WINS
server, enter that server’s IP address here. Otherwise, leave
this field blank.
Time Settings
Time Zone
Select the time zone in which your network
functions.
Time Interval
Change how often the Gateway updates
its time.
Automatically
adjust
clock
for
daylight
saving
time
Select this option if you want the Gateway to
automatically adjust for daylight saving time.
Time Settings and Language
Language
Language
To use a different language, select one from
the drop-down menu. The language of the web-based
utility will change five seconds after you select another
language.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Setup > DDNS
The Gateway offers a Dynamic Domain Name System
(DDNS) feature. DDNS lets you assign a fixed host and
domain name to a dynamic Internet IP address. It is useful
when you are hosting your own website, FTP server, or
other server behind the Gateway.
Before you can use this feature, you need to sign
up for DDNS service with a DDNS service provider,
www.dyndns.org or www.TZO.com. If you do not want to
use this feature, keep the default,
Disabled
.
DDNS
DDNS Service
If your DDNS service is provided by DynDNS.org, then
select
DynDNS.org
from the drop-down menu. If your
DDNS service is provided by TZO, then select
TZO.com
.
The features available on the
DDNS
screen will vary,
depending on which DDNS service provider you use.
DynDNS.org
Setup > DDNS > DynDNS
Username
Enter the Username for your account.
Password
Enter the Password for your account.
Host Name
Enter the DDNS URL assigned by the service.
Internet IP Address
The Internet IP address of the
Gateway is displayed.
Status
Displays the status of the DDNS service connection.
Connect
To manually trigger an update, click this button.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
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Chapter 4
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Wireless-G ADSL Home Gateway
TZO.com
Setup > DDNS > TZO
E-Mail Address
Enter the E-mail Address for your account.
TZO Password
Enter the Password for your account.
Domain Name
Enter the DDNS URL assigned by the service
.
Internet IP Address
The Internet IP address of the
Gateway is displayed.
Status
Displays the status of the DDNS service connection.
Connect
To manually trigger an update, click this button.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Setup > Advanced Routing
The
Advanced
Routing
screen is used to set up the
Gateway’s advanced routing functions. It contains three
sections: Operating Mode, Dynamic Routing, and Static
Routing.
Setup > Advanced Routing
Advanced Routing
Operating Mode
NAT
If this Gateway is hosting your network’s connection
to the Internet, keep the default,
Enabled
. If another
gateway
or
router
exists
on
your
network,
select
Disabled
.
Dynamic Routing
RIP
This allows the Gateway to automatically adjust to
physical changes in the network’s layout and exchange
routing tables with other router(s). The Gateway determines
the packets’ route based on the fewest number of hops
between source and destination. Select
Enabled
to use
Dynamic Routing. Otherwise, keep the default,
Disabled
.
Transmit RIP Version
Select the appropriate protocol
version,
RIP1
,
RIP1-Compatible
,
RIP2
, or
Disable
. This
should match the version supported by other routers on
your LAN.
Receive RIP Version
Select the appropriate protocol
version,
RIP1
,
RIP2
, or
Disable
. This should match the
version supported by other routers on your LAN.
Static Routing
A static route is a pre-determined pathway that network
information must travel to reach a specific host or network.
Enter the following information to set up a new static route.
Select Set Number
To set up a static route between the
Gateway and another network, select a number from the
drop-down list. The Gateway supports up to 20 static route
entries. Click
Delete This Entry
to delete a static route.
Destination IP Address
The Destination IP Address is
the IP address of the remote network or host to which
you want to assign a static route. Enter the IP address of
the host for which you wish to create a static route. If you
are building a route to an entire network, be sure that the
network portion of the IP address is set to 0.
Subnet
Mask
The
Subnet
Mask
determines
which
portion of a Destination IP Address is the network portion,
and which portion is the host portion.
Gateway
The IP address of the gateway device that allows
contact between the Gateway and remote network or host.
Hop Count
This is the number of hops to each node until
the destination is reached (16 hops maximum). Enter the
appropriate Hop Count.
Click
Show Routing Table
to view the static routes you
have already set up.
Routing Table
For each route, the Destination LAN IP address, Subnet
Mask, Gateway, and Interface are displayed. Click
Refresh
to update the information. Click
Close
to exit this screen.
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Chapter 4
Advanced Configuration
13
Wireless-G ADSL Home Gateway
Advanced Routing > Routing Table
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Wireless > Basic Wireless Settings
The basic settings for wireless networking are set on this
screen. This screen allows you to choose your wireless
network mode and wireless security.
Wireless > Basic Wireless Settings
Wireless Network
Wireless Network Mode
Select the wireless standards
running on your network. If you have Wireless-G and
Wireless-B devices in your network, keep the default,
Mixed
. If you have only Wireless-G devices, select
G-Only
.
If you have only Wireless-B devices, select
B-Only
. If you
do not have any wireless devices, select
Disabled
.
Wireless
Network Name (SSID)
The network name is case-
sensitive and must not exceed 32 characters (use any of the
characters on the keyboard). Linksys recommends that you
change the default, to a unique name of your choice.
Wireless Channel
Select the channel you want to use.
All devices in your wireless network must use the same
channel in order to communicate.
Wireless SSID Broadcast
When wireless devices survey
the local area for wireless networks to associate with, they
will detect the wireless network name or SSID broadcast
by the Gateway. If you want to broadcast the Gateway’s
SSID, keep the default,
Enable
. Otherwise, select
Disable
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Wireless > Wireless Security
The
Wireless Security
screen configures the security of your
wireless network(s). The supported wireless security modes
are WPA2-Personal, WPA-Personal, WPA2-Mixed,
and
WEP. WPA (Wi-Fi Protected Access), is a security standard
stronger than WEP (Wired Equivalent Privacy) encryption.
WPA2 is a more advanced, more secure version of WPA.
For detailed instructions on configuring wireless security
on the Gateway, refer to “Chapter 2: Wireless Security”.
Wireless Security
Security Mode
Select the security method for your
wireless network. Proceed to the appropriate instructions.
If you do not want to use wireless security, keep the
default,
Disabled
.
NOTE:
If you use wireless security, remember
that each device in your wireless network MUST
use the same security method and settings, or
else the wireless devices cannot communicate.
WPA2-Personal (Recommended)
Security Mode > WPA2-Personal
Encryption
The method is AES.
Passphrase
Enter a key of 8 to 63 characters.
Group Key Renewal
Enter how often the Gateway should
change encryption keys. The default is
3600
seconds.
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Chapter 4
Advanced Configuration
14
Wireless-G ADSL Home Gateway
WPA-Personal
Security Mode > WPA-Personal
Encryption
The method is TKIP.
Passphrase
Enter a key of 8 to 63 characters.
Group Key Renewal
Enter how often the Gateway should
change encryption keys. The default is
3600
seconds.
WPA2-Mixed
This option allows clients to use EITHER WPA-Personal OR
WPA2-Personal.
Security Mode > WPA2-Mixed
Encryption
The method is TKIP + AES.
Passphrase
Enter a key of 8 to 63 characters.
Group Key Renewal
Enter how often the Gateway should
change encryption keys. The default is
3600
seconds.
WEP
Security Mode > WEP
Default Transmit Key
Select which Transmit Key to use.
The default is
1
.
WEP Encryption
Select a level of WEP encryption,
64-bit
or
128-bit
.
Passphrase
Enter a Passphrase to automatically generate
WEP keys. Then click
Generate
.
NOTE:
The WEP Passphrase is compatible with
Linksys wireless products only. If you are use non-
Linksys products, manually enter the appropriate
WEP key on those devices.
Key 1-4
If you did not enter a Passphrase, enter the WEP
key(s) manually.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.

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