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Reference Manual for the Model DG632 ADSL Modem Router
C-20
Preparing Your Network
If an IP address appears under Installed Gateways, write down the address. This is the ISP’s
gateway address. Select the address and then click Remove to remove the gateway address.
6.
Select the DNS Configuration tab.
If any DNS server addresses are shown, write down the addresses. If any information appears
in the Host or Domain information box, write it down. Click Disable DNS.
7.
Click OK to save your changes and close the TCP/IP Properties dialog box.
You are returned to the Network window.
8.
Click OK.
9.
Reboot your PC at the prompt. You may also be prompted to insert your Windows CD.
Obtaining ISP Configuration Information for Macintosh
Computers
As mentioned above, you may need to collect configuration information from your Macintosh so
that you can use this information when you configure the DG632 modem router. Following this
procedure is only necessary when your ISP does not dynamically supply the account information.
To get the information you need to configure the router for Internet access:
1.
From the Apple menu, select Control Panels, then TCP/IP.
The TCP/IP Control Panel opens, which displays a list of configuration settings. If the
“Configure” setting is “Using DHCP Server”, your account uses a dynamically-assigned IP
address. In this case, close the Control Panel and skip the rest of this section.
2.
If an IP address and subnet mask are shown, write down the information.
3.
If an IP address appears under Router address, write down the address. This is the ISP’s
gateway address.
4.
If any Name Server addresses are shown, write down the addresses. These are your ISP’s DNS
addresses.
5.
If any information appears in the Search domains information box, write it down.
6.
Change the “Configure” setting to “Using DHCP Server”.
7.
Close the TCP/IP Control Panel.
Page 127 / 132
Reference Manual for the Model DG632 ADSL Modem Router
Preparing Your Network
C-21
Restarting the Network
Once you have set up your computers to work with the router, you must reset the network for the
devices to be able to communicate correctly. Restart any computer that is connected to the firewall.
After configuring all of your computers for TCP/IP networking and restarting them, and
connecting them to the local network of your DG632 modem router, you are ready to access and
configure the router.
Page 128 / 132
Reference Manual for the Model DG632 ADSL Modem Router
C-22
Preparing Your Network
Page 129 / 132
Glossary
1
Glossary
10BASE-T
IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring.
100BASE-Tx
IEEE 802.3 specification for 100 Mbps Ethernet over twisted pair wiring.
ADSL
See
Asymmetric Digital Subscriber Line
Asymmetric Digital
Subscriber Line
A technology for sending data over regular telephone lines. ADSL allows data
rates up to 8 Mbps downstream and 640 Kbps upstream.
Denial of Service
attack
DoS. A hacker attack designed to prevent your computer or network from
operating or communicating.
DHCP
See
Dynamic Host Configuration Protocol.
DNS
See
Domain Name Server.
Domain Name
A descriptive name for an address or group of addresses on the Internet.
Domain names are of the form of a registered entity name plus one of a
number of predefined top level suffixes such as .com, .edu, .uk, and so on. For
example, in the address mail.NETGEAR.com, mail is a server name and
NETGEAR.com is the domain.
Domain Name Server
A Domain Name Server (DNS) resolves descriptive names of network
resources (such as www.NETGEAR.com) to numeric IP addresses.
DSLAM
DSL Access Multiplexor. The piece of equipment at the telephone company
central office that provides the ADSL signal.
Dynamic Host
Configuration
Protocol
DHCP. An Ethernet protocol specifying how a centralized DHCP server can
assign network configuration information to multiple DHCP clients. The
assigned information includes IP addresses, DNS addresses, and gateway
(router) addresses.
Gateway
A local device, usually a router, that connects hosts on a local network to other
networks.
IP
See
Internet Protocol.
Page 130 / 132
Reference Manual for the Model DG632 ADSL Modem Router
2
Glossary
IP Address
A four-byte number uniquely defining each host on the Internet. Ranges of
addresses are assigned by Internic, an organization formed for this purpose.
Usually written in dotted-decimal notation with periods separating the bytes
(for example, 134.177.244.57).
IPSec
Internet Protocol Security. IPSec is a series of guidelines for securing private
information transmitted over public networks. IPSec is a VPN method
providing a higher level of security than PPTP.
ISP
Internet service provider.
Internet Protocol
The main internetworking protocol used in the Internet. Used in conjunction
with the Transfer Control Protocol (TCP) to form TCP/IP.
LAN
See
local area network.
local area network
LAN. A communications network serving users within a limited area, such as
one floor of a building. A LAN typically connects multiple personal
computers and shared network devices such as storage and printers. Although
many technologies exist to implement a LAN, Ethernet is the most common
for connecting personal computers.
MAC address
Media Access Control address. A unique 48-bit hardware address assigned to
every Ethernet node. Usually written in the form 01:23:45:67:89:ab.
Mbps
Megabits per second.
MSB
See
Most Significant Bit or Most Significant Byte.
MTU
See
Maximum Transmission Unit.
Maximum Transmit
Unit
The size in bytes of the largest packet that can be sent or received.
Most Significant Bit or
Most Significant Byte
The portion of a number, address, or field that is farthest left when written as a
single number in conventional hexadecimal ordinary notation. The part of the
number having the most value.
NAT
See
Network Address Translation.
Netmask
A number that explains which part of an IP address comprises the network
address and which part is the host address on that network. It can be
expressed in dotted-decimal notation or as a number appended to the IP
address. For example, a 28-bit mask starting from the MSB can be shown as
255.255.255.192 or as /28 appended to the IP address.

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