Gennet-OxyGEN RFA1400.Wv2 Router Manual PDF (Setup & Configuration Guide)

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OxyGEN

mini

Office

Administrator’s Guide

The IP address and subnet mask of each PC

The IP address of the default gateway for your LAN. In most cases, this is the address assigned

to the LAN port on the OxyGEN miniOffice. By default, the LAN port is assigned the IP address

192.168.1.254

. (You can change this number or another number can be assigned by your ISP.)

The IP address of your ISP’s Domain Name System (DNS) server.

On each PC to which you want to assign static information, follow the instructions on pages 184 through

185 relating only to checking for and/or installing the IP protocol. Once it is installed, continue to follow

the instructions for displaying each of the Internet Protocol (TCP/IP) properties.

Instead of enabling

dynamic assignment of the IP addresses for the computer, DNS server and default gateway, click the

radio buttons that enable you to enter the information manually.

Note

Your PCs must have IP addresses that place them in the same subnet as the OxyGEN

miniOffice’s LAN port.

Configuring Wireless PCs

You need to configure the operating system installed on your Wireless enabled PCs using the same

procedure described for

Configuring Ethernet PCs

on page 183.

Positioning the Wireless PCs

The wireless network cards used determine the maximum distance between your wireless PCs and your

device. Guidelines on positioning the hardware components of your wireless network should be provided

by your network card provider.

Wireless PC Cards and Drivers

Each PC on your wireless LAN must be fitted with a wireless access card.

You must also install the

corresponding driver files for your particular wireless card on your PC. You should receive driver files and

instructions on how to install them together with your wireless card.

Configuring PC Access to your Wireless Device

Before you start configuring your Wireless PC, you must ensure that you have:

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OxyGEN

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Office

Administrator’s Guide

A Wireless access card for each of the PCs

Corresponding wireless access card driver software files

The configuration steps below will vary depending on both the operating system and wireless card

installed on the PC. These steps provide a basic outline, however you should refer to the documentation

provided with your wireless access card for specific instructions. To configure Wireless PCs:

1. Install the wireless access card.

2. Install the wireless driver software files.

3. Configure the following wireless parameters on each of the wireless PCs:

i Set the adapter to use infrastructure mode. This configures the PCs to access each other and

the Internet via the OxyGEN miniOffice.

ii Configure the SSID, encryption method and channel to match the corresponding values

previously configured on the device. (see

Security

on page 85). Default values are shown in

Table 4.2 on page 49.

Your wireless network can now communicate with the Internet via the device.

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Administrator’s Guide

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B

IP Addresses, Network Masks, and Subnets

IP Addresses

Note

This section refers only to IP addresses for IPv4 (version 4 of the Internet Protocol). IPv6

addresses are not covered. This section assumes basic knowledge of binary numbers,

bits and bytes.

IP addresses, the Internet’s version of telephone numbers, are used to identify individual nodes

(computers or devices) on the Internet. Every IP address contains four numbers, each from 0 to 255 and

separated by dots (periods), e.g. 20.56.0.211. These numbers are called, from left to right, field1, field2,

field3, and field4.

This style of writing IP addresses as decimal numbers separated by dots is called dotted decimal

notation. The IP address 20.56.0.211 is read "twenty dot fifty-six dot zero dot two-eleven."

Structure of an IP Address

IP addresses have a hierarchical design similar to that of telephone numbers. For example, a 7-digit

telephone number starts with a 3-digit prefix that identifies a group of thousands of telephone lines, and

ends with four digits that identify one specific line in that group. Similarly, IP addresses contain two kinds

of information:

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Network ID

Identifies a particular network within the Internet or intranet

Host ID

Identifies a particular computer or device on the network

The first part of every IP address contains the network ID, and the rest of the address contains the host

ID. The length of the network ID depends on the network’s class (see following section). The table below

shows the structure of an IP address.

Field1

Field2

Field3

Field4

Class A

Network ID

Host ID

Class B

Network ID

Host ID

Class C

Network ID

Host ID

Here are some examples of valid IP addresses:

Class A: 10.30.6.125 (network = 10, host = 30.6.125)

Class B: 129.88.16.49 (network = 129.88, host = 16.49)

Class C: 192.60.201.11 (network = 192.60.201, host = 11)

Network Classes

The three commonly used network classes are A, B, and C. (There is also a class D but it has a special

use beyond the scope of this discussion.) These classes have different uses and characteristics.

Class A networks are the Internet’s largest networks, each with room for over 16 million hosts. Up to

126 of these huge networks can exist, for a total of over 2 billion hosts. Because of their huge size, these

networks are used for WANs and by organizations at the infrastructure level of the Internet, such as your

ISP.

Class B networks are smaller but still quite large, each able to hold over 65,000 hosts. There can be up

to 16,384 class B networks in existence. A class B network might be appropriate for a large organization

such as a business or government agency.

Class C networks are the smallest, only able to hold 254 hosts at most, but the total possible number

of class C networks exceeds 2 million (2,097,152 to be exact). LANs connected to the Internet are usually

class C networks.

Some important notes regarding IP addresses:

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