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Chapter 4: Configuring the ADSL Modem
The Setup Tab
ADSL Modem
Bridged Mode Only
If you are using your Modem as a bridge, which makes the Modem act like a stand-alone modem, select
Bridged Mode Only. All NAT and routing settings are disabled in this mode.
Optional Settings (required by some ISPs)
• Host Name and Domain Name. These fields allow you to supply a host and domain name for the Modem.
Some 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, you can leave
these fields blank.
Network Setup
• Modem IP. The values for the Modem’s Local IP Address and Subnet Mask are shown here. In most cases,
keeping the default values will work.
• 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). Configure the Modem’s Dynamic Host Configuration Protocol (DHCP)
settings in this section.
• Local 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, it is highly
recommended that you leave the Modem enabled as a DHCP server.
• Start 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 the Modem is 192.168.1.1.
• Number of Addresses. Enter the maximum number of users/clients that can obtain an IP address. The
number will vary depending on the starting IP address entered.
• IP Address Range. The IP address range is displayed after entering the Start IP address.
• Client Lease Time. The Client Lease Time is the amount of time a computer will be allowed connection to
the Modem with its current dynamic IP address. Enter the amount of time, in minutes, that the computer
will be “leased” this dynamic IP address.
Figure 4-8: Bridged Mode Only
Figure 4-9: Network Setup