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Page 31 / 268 Scroll up to view Page 26 - 30
Chapter 2 Connection Wizard
NBG4604 User’s Guide
31
The following table describes the labels in this screen
2.4.5
WAN IP Address Assignment
Every computer on the Internet must have a unique IP address. If your networks
are isolated from the Internet, for instance, only between your two branch offices,
you can assign any IP addresses to the hosts without problems. However, the
Internet Assigned Numbers Authority (IANA) has reserved the following three
blocks of IP addresses specifically for private networks.
You can obtain your IP address from the IANA, from an ISP or have it assigned by
a private network. If you belong to a small organization and your Internet access
is through an ISP, the ISP can provide you with the Internet addresses for your
local networks. On the other hand, if you are part of a much larger organization,
you should consult your network administrator for the appropriate IP addresses.
Note: Regardless of your particular situation, do not create an arbitrary IP address;
always follow the guidelines above. For more information on address
assignment, please refer to RFC 1597, Address Allocation for Private Internets
and RFC 1466, Guidelines for Management of IP Address Space.
2.4.6
IP Address and Subnet Mask
Similar to the way houses on a street share a common street name, so too do
computers on a LAN share one common network number.
Where you obtain your network number depends on your particular situation. If
the ISP or your network administrator assigns you a block of registered IP
Table 9
Wizard Step 3: Your IP Address
LABEL
DESCRIPTION
Get automatically from
your ISP
Select this option If your ISP did not assign you a fixed IP
address. This is the default selection. If you choose this option,
skip directly to
Section 2.4.9 on page 34
.
Use fixed IP address
provided by your ISP
Select this option if you were given IP address and/or DNS server
settings by the ISP. The fixed IP address should be in the same
subnet as your broadband modem or router.
Back
Click
Back
to return to the previous screen.
Next
Click
Next
to continue.
Exit
Click
Exit
to close the wizard screen without saving.
Table 10
Private IP Address Ranges
10.0.0.0
-
10.255.255.255
172.16.0.0
-
172.31.255.255
192.168.0.0
-
192.168.255.255
Page 32 / 268
Chapter 2 Connection Wizard
NBG4604 User’s Guide
32
addresses, follow their instructions in selecting the IP addresses and the subnet
mask.
If the ISP did not explicitly give you an IP network number, then most likely you
have a single user account and the ISP will assign you a dynamic IP address when
the connection is established. The Internet Assigned Number Authority (IANA)
reserved this block of addresses specifically for private use; please do not use any
other number unless you are told otherwise. Let's say you select 192.168.1.0 as
the network number; which covers 254 individual addresses, from 192.168.1.1 to
192.168.1.254 (zero and 255 are reserved). In other words, the first three
numbers specify the network number while the last number identifies an individual
computer on that network.
Once you have decided on the network number, pick an IP address that is easy to
remember, for instance, 192.168.1.1, for your NBG4604, but make sure that no
other device on your network is using that IP address.
The subnet mask specifies the network number portion of an IP address. Your
NBG4604 will compute the subnet mask automatically based on the IP address
that you entered. You don't need to change the subnet mask computed by the
NBG4604 unless you are instructed to do otherwise.
2.4.7
DNS Server Address Assignment
Use DNS (Domain Name System) to map a domain name to its corresponding IP
address and vice versa, for instance, the IP address of www.zyxel.com is
204.217.0.2. The DNS server is extremely important because without it, you must
know the IP address of a computer before you can access it.
The NBG4604 can get the DNS server addresses in the following ways.
1
The ISP tells you the DNS server addresses, usually in the form of an information
sheet, when you sign up. If your ISP gives you DNS server addresses, enter them
in the
DNS Server
fields in the
Wizard
and/or
WAN
> Internet Connection
screen.
2
If the ISP did not give you DNS server information, leave the
DNS Server
fields
set to
0.0.0.0
in the
Wizard
screen and/or set to
From ISP
in the
WAN
>
Internet Connection
screen for the ISP to dynamically assign the DNS server IP
addresses.
Page 33 / 268
Chapter 2 Connection Wizard
NBG4604 User’s Guide
33
2.4.8
WAN IP and DNS Server Address Assignment
The following wizard screen allows you to assign a fixed WAN IP address and DNS
server addresses.
Figure 16
Wizard Step 3: WAN IP and DNS Server Addresses
The following table describes the labels in this screen
Table 11
Wizard Step 3: WAN IP and DNS Server Addresses
LABEL
DESCRIPTION
WAN IP Address Assignment
My WAN IP Address
Enter your WAN IP address in this field. The WAN IP address
should be in the same subnet as your DSL/Cable modem or
router.
My WAN IP Subnet
Mask
Enter the IP subnet mask in this field.
Gateway IP Address
Enter the gateway IP address in this field.
System DNS Server Address Assignment (if applicable)
DNS (Domain Name System) is for mapping a domain name to its corresponding IP
address and vice versa. The DNS server is extremely important because without it, you
must know the IP address of a computer before you can access it. The NBG4604 uses a
system DNS server (in the order you specify here) to resolve domain names for DDNS and
the time server.
First DNS Server
Second DNS Server
Enter the DNS server's IP address in the fields provided.
If you do not configure a system DNS server, you must use IP
addresses when configuring DDNS and the time server.
Back
Click
Back
to return to the previous screen.
Next
Click
Next
to continue.
Exit
Click
Exit
to close the wizard screen without saving.
Page 34 / 268
Chapter 2 Connection Wizard
NBG4604 User’s Guide
34
2.4.9
WAN MAC Address
Every Ethernet device has a unique MAC (Media Access Control) address. The MAC
address is assigned at the factory and consists of six pairs of hexadecimal
characters, for example, 00:A0:C5:00:00:02.
This screen allows users to configure the WAN port's MAC address by either using
the NBG4604’s MAC address, copying the MAC address from a computer on your
LAN or manually entering a MAC address. Once it is successfully configured, the
address will be copied to configuration file. It is advisable to clone the MAC
address from a computer on your LAN even if your ISP does not presently require
MAC address authentication.
Figure 17
Wizard Step 3: WAN MAC Address
The following table describes the fields in this screen.
Table 12
Example of Network Properties for LAN Servers with Fixed IP Addresses
Choose an IP address
192.168.1.2-192.168.1.32; 192.168.1.65-192.168.1.254.
Subnet mask
255.255.255.0
Gateway (or default route)
192.168.1.1(NBG4604 LAN IP)
Table 13
Wizard Step 3: WAN MAC Address
LABEL
DESCRIPTION
Factory Default
Select
Factory Default
to use the factory assigned default MAC
address.
Clone the
computer’s MAC
address
Select this option and enter the IP address of the computer on the
LAN whose MAC you are cloning. It is advisable to clone the MAC
address from a computer on your LAN even if your ISP does not
presently require MAC address authentication.
Set WAN MAC
Address
Select this option and enter the MAC address you want to use.
Back
Click
Back
to return to the previous screen.
Next
Click
Next
to continue.
Exit
Click
Exit
to close the wizard screen without saving.
Page 35 / 268
Chapter 2 Connection Wizard
NBG4604 User’s Guide
35
2.5
Connection Wizard Complete
Click
Finish
to complete the wizard setup.
Figure 18
Connection Wizard Complete
Well done! You have successfully set up your NBG4604 to operate on your network
and access the Internet.

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