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Reference Manual for the Model DG632 ADSL Modem Router
6-24
Using Router Mode
An IP Address from the range you have defined
Subnet Mask
Gateway IP Address is the router’s LAN IP address
Primary DNS Server, if you entered a Primary DNS address in the Basic Settings menu;
otherwise, the router’s LAN IP address
Secondary DNS Server, if you entered a Secondary DNS address in the Basic Settings menu
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer will always
receive the same IP address each time it access the router’s DHCP server. Reserved IP addresses
should be assigned to servers that require permanent IP settings.
To reserve an IP address:
1.
Click the
Add
button.
2.
In the IP Address box, type the IP address to assign to the computer or server.
Choose an IP address from the router’s LAN subnet, such as 192.168.0.x.
3.
Type the MAC Address and Device Name of the computer or server.
Tip:
If the computer is already present on your network, you can copy its MAC address from
the Attached Devices menu and paste it here.
4.
Click
Apply
to enter the reserved address into the table.
Note:
The reserved address will not be assigned until the next time the computer contacts the
router's DHCP server. Reboot the computer or access its IP configuration and force a DHCP
release and renew.
To edit or delete a reserved address entry:
1.
Click the button next to the reserved address you want to edit or delete.
2.
Click Edit or Delete.
How to Configure LAN TCP/IP Settings
1.
Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name
of
admin
, default password of
password
, or using whatever User Name, Password and LAN
address you have chosen for the router.
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Reference Manual for the Model DG632 ADSL Modem Router
Using Router Mode
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2.
From the Main Menu, under Advanced, click the LAN IP Setup link to view the menu, shown
in
Figure 6-15
.
3.
Enter the TCP/IP parameters.
4.
Click Apply to save your changes.
Using Static Routes
Static Routes provide additional routing information to your router. Under normal circumstances,
the router has adequate routing information after it has been configured for Internet access, and
you do not need to configure additional static routes. You must configure static routes only for
unusual cases such as multiple routers or multiple IP subnets located on your network.
Static Route Example
As an example of when a static route is needed, consider the following case:
Your primary Internet access is through a cable modem to an ISP.
You have an ISDN router on your home network for connecting to the company where
you are employed. This router’s address on your LAN is 192.168.0.100.
Your company’s network is 134.177.0.0.
When you first configured your router, two implicit static routes were created. A default route was
created with your ISP as the modem, and a second static route was created to your local network
for all 192.168.0.x addresses. With this configuration, if you attempt to access a device on the
134.177.0.0 network, your router will forward your request to the ISP. The ISP forwards your
request to the company where you are employed, and the request will likely be denied by the
company’s firewall.
In this case you must define a static route, telling your router that 134.177.0.0 should be accessed
through the ISDN router at 192.168.0.100. The static route would look like
Figure 6-17
.
In this example:
The Destination IP Address and IP Subnet Mask fields specify that this static route applies to
all 134.177.x.x addresses.
The Modem IP Address fields specifies that all traffic for these addresses should be forwarded
to the ISDN router at 192.168.0.100.
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Reference Manual for the Model DG632 ADSL Modem Router
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Using Router Mode
A Metric value of 1 will work since the ISDN router is on the LAN.
This represents the number of routers between your network and the destination. This is a
direct connection so it is set to 1.
Private is selected only as a precautionary security measure in case RIP is activated.
How to Configure Static Routes
1.
Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name
of
admin
, default password of
password
, or using whatever User Name, Password and LAN
address you have chosen for the router.
2.
From the Main Menu of the browser interface, under Advanced, click Static Routes to view
the Static Routes menu, shown in
Figure 6-16
.
Figure 6-16:
Static Routes Table
3.
To add or edit a Static Route:
a.
Click the
Edit
button to open the Edit Menu, shown in
Figure 6-17
.
Figure 6-17:
Static Route Entry and Edit Menu
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Reference Manual for the Model DG632 ADSL Modem Router
Using Router Mode
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b.
Type a route name for this static route in the Route Name box under the table.
This is for identification purpose only.
c.
Type the Destination IP Address of the final destination.
d.
Type the IP Subnet Mask for this destination.
If the destination is a single host, type 255.255.255.255.
e.
Type the Gateway IP Address, which must be a router on the same LAN segment as the
router.
f.
Type a number between 2 and 15 as the Metric value.
This represents the number of routers between your network and the destination. Usually,
a setting of 2 or 3 works, but if this is a direct connection, set it to 2.
g.
Select
Active
to make this route effective.
h.
Select
Private
if you want to limit access to the LAN only.
The static route will not be reported in RIP.
4.
Click
Apply
to have the static route entered into the table.
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Reference Manual for the Model DG632 ADSL Modem Router
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Using Router Mode

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