Dell V715W User's Guide - Page 102

What is an IP address?, What is TCP/IP?, How do I locate IP addresses?, How are IP addresses assigned?

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What is an IP address? An IP address is a unique number used by devices (such as a wireless printer, computer, or wireless access point) on an IP network to locate and communicate with each other. Devices on an IP network can communicate with each other only if they have unique and valid IP addresses. A unique IP address means no two devices on the same network have the same IP address. An IP address is a group of four numbers separated by periods. An example of an IP address is 192.168.100.110. What is TCP/IP? Networks are able to function because computers, printers, and other devices are able to send data to each other, either through cables or by using wireless signals. This transfer of data is made possible by sets of data transmission rules called protocols. A protocol can be thought of as a language, and like a language, it has rules allowing participants to communicate with each other. Different types of networks use different protocols, but Transmission Control Protocol/Internet Protocol (TCP/IP) is the most popular. TCP/IP is used to send data over the Internet as well as over most corporate and home networks. Because computers do not understand words and instead rely upon numbers for communication, TCP/IP requires that every device on a network using TCP/IP to communicate must have an IP address. IP addresses are essentially unique computer names in a numeric format, used to transfer data around a network. IP addresses allow TCP/IP to confirm requests for and receipt of data by various devices on the network. How do I locate IP addresses? 1 Click , or click Start and then click Run. 2 In the Start Search or Run box, type cmd. 3 Press Enter, or click OK. The Command Prompt window opens. 4 Type ipconfig, and then press Enter. The IP address appears as four sets of numbers separated by periods, such as 192.168.0.100. How to locate a printer IP address • You can locate the printer IP address by viewing the printer network setup page. How are IP addresses assigned? An IP address may be assigned automatically by the network using DHCP. Once the printer is set up on a computer, the computer sends all print jobs across the network to the printer using this address. If the IP address is not automatically assigned, you will be asked during wireless setup to manually enter an address and other network information after selecting your printer from the available list. What is a key index? A wireless access point (wireless router) can be configured with as many as four WEP keys. Only one key is used on the network at a time, however. The keys are numbered, and the number of a key is referred to as its key index. All devices on the wireless network must be configured to use the same key index when multiple WEP keys are configured on the wireless access point. Networking 102

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What is an IP address?
An IP address is a unique number used by devices (such as a wireless printer, computer, or wireless access point) on
an IP network to locate and communicate with each other. Devices on an IP network can communicate with each
other only if they have unique and valid IP addresses. A unique IP address means no two devices on the same network
have the same IP address.
An IP address is a group of four numbers separated by periods. An example of an IP address is 192.168.100.110.
What is TCP/IP?
Networks are able to function because computers, printers, and other devices are able to send data to each other,
either through cables or by using wireless signals. This transfer of data is made possible by sets of data transmission
rules called
protocols
. A protocol can be thought of as a language, and like a language, it has rules allowing participants
to communicate with each other.
Different types of networks use different protocols, but
Transmission Control Protocol/Internet Protocol
(TCP/IP) is the
most popular. TCP/IP is used to send data over the Internet as well as over most corporate and home networks.
Because computers do not understand words and instead rely upon numbers for communication, TCP/IP requires
that every device on a network using TCP/IP to communicate must have an IP address. IP addresses are essentially
unique computer names in a numeric format, used to transfer data around a network. IP addresses allow TCP/IP to
confirm requests for and receipt of data by various devices on the network.
How do I locate IP addresses?
1
Click
, or click
Start
and then click
Run
.
2
In the Start Search or Run box, type
cmd
.
3
Press
Enter
, or click
OK
.
The Command Prompt window opens.
4
Type
ipconfig
, and then press
Enter
.
The IP address appears as four sets of numbers separated by periods, such as 192.168.0.100.
How to locate a printer IP address
•
You can locate the printer IP address by viewing the printer network setup page.
How are IP addresses assigned?
An IP address may be assigned automatically by the network using DHCP. Once the printer is set up on a computer,
the computer sends all print jobs across the network to the printer using this address.
If the IP address is not automatically assigned, you will be asked during wireless setup to manually enter an address
and other network information after selecting your printer from the available list.
What is a key index?
A wireless access point (wireless router) can be configured with as many as four WEP keys. Only one key is used on
the network at a time, however. The keys are numbered, and the number of a key is referred to as its key index. All
devices on the wireless network must be configured to use the same key index when multiple WEP keys are configured
on the wireless access point.
Networking
102