Wireless / Networking: Most Popular Articles
The IP address 192.168.1.1 is normally used by Linksys broadband routers although other brands of routers and some other types of devices can also use it. Using 192.168.1.1 a network admin can set up a new router or troubleshoot problems with an existing one.
The IP address 192.168.0.1 is the default for some home broadband routers and other types of network equipment. 192.168.0.1 can also be used as an address for a different device on your home network.
A network router contains a default administrator password set by the manufacturer. Manufacturers generally use the same default password for all of their equipment, therefore it should be changed immediately for network security reasons. Follow these instructions to change the default password on network routers.
The IP address 192.168.1.254 is the default for a few brands of home broadband routers and broadband modems. 192.168.1.254 is a private IP address not reachable on the Internet.
The IP address 192.168.2.1 is the default for various models of home broadband routers including SMC and Belkin models. 192.168.2.1 is a private IP address not designed for use on the Internet.
Routers use different IP addresses depending on the brand and how you set them up. Use these methods to find out what IP addresses your routers have.
When you suddenly can't connect to the Internet, any of several things could be wrong. Use this checklist to find and solve Internet connection problems.
An IP address is a binary number that identifies devices on TCP/IP networks. Both IPv4 and IPv6 networks use these addresses to discover and communicate with each other.
Linksys home network routers ship with a default administrator password and user name set at the factory. This page lists the default passwords and user names for Linksys routers.
The IP address 192.168.1.2 is the default for a few select models of home broadband routers and access points. 192.168.1.2 is a private IP address found on internal networks but not on the Internet.
This guide explains the setup of a router for home computer networks. Network routers are designed to be installed quickly, but several problems can occur if router configuration is not done correctly.
When attempting to set up or make network connections on a Windows computer, you may encounter a Limited Or No Connectivity error message. This error can result from several different technical glitches or configuration problems. Follow these steps to resolve Limited Or No Connectivity errors in Windows.
Looking to add a second router to expand your home network? Any ordinary router can do the job, but the way to configure it is different than for the first router.
The IP address 10.0.0.1 is standard for some types of network routers including Cisco routers. 10.0.0.1 is a private IP address often called the default gateway.
Which of the popular wireless home networking standards like 802.11n or 802.11ac Wi-Fi is right for you? This article explains the pros and cons of each of these wireless standards.
Google utilizes multiple Internet servers and IP addresses like many popular Web sites. Individuals may want to use Google's IP address when they are analyzing Web server logs or when they cannot connect to www.google.com.
LAN and WAN are two common network domains, but many other types of area networks exist. Learn more about computer network types here.
D-Link broadband routers ship with a default administrator password set at the factory when the device is first built. This page lists the default login passwords for D-Link home routers.
You may sometimes need to connect to a wireless router on a home or other local Wi-Fi network to update its configuration. Accessing a wireless router's configuration screens requires you to know the router's IP address. You should also be aware of a few common wireless router connection problems and how to solve them.
A broadband router combines the features of a traditional network switch, a firewall, and a DHCP server. A broadband router is designed for convenience in setting up home networks, particularly for homes with high-speed cable modem or DSL Internet service.
Common network topologies include the bus topology, star, and ring. Learn more about these and other topologies in computer network design.
Consumer wireless routers vary in the Wi-Fi range they support. Routers with stronger Wi-Fi signals allow devices to connect at higher speeds from a greater distance and stay connected more reliably. Which wireless router then, has the best Wi-Fi range?
What is a router? In computer networking, routers join two networks together at a given protocol layer. A wired or wireless router is typically a small piece of computer hardware.
These sites support Web-based, free anonymous proxy servers. An anonymous Web proxy is an alternative to configuring HTTP or SOCKS proxies in the Web browser.
A DNS server is a special type of computer on the Internet used to support the Domain Name System. Numerous DNS servers across the Internet maintain a distributed database of domain names and IP addresses.
Microsoft Windows allows you to enable and disable any installed network connections. Use this feature to help troubleshoot and repair certain Windows networking problems.
Wi-Fi network equipment used in routers and computers generally signals in either a 2.4 GHz range or a 5 GHz range. However, although it carries a bigger number, 5 GHz hardware is not necessarily better than 2.4 GHz hardware.
This page lists the default IP addresses for Netgear routers. Home network routers are set up to use a default IP address when first powered on. This allows you to access the administrative functions for router setup.
It is possible to connect two routers on the same home network. This can be useful when building a hybrid wired and wireless network or generally expanding the scale of an existing home network.
The signal range of a Wi-Fi wireless network can be boosted in several different ways. This page explains various methods for extending the range of a Wi-Fi network.
Step-by-step instructions to quickly release and/or renew Internet Protocol (IP) addresses of Windows XP, Windows 2000, or Windows NT computers.
This IP address is the default for a few home broadband routers and cable modems. 192.168.100.1 can also be used by local network administrators for general assignment as a static IP address.
Most Wi-Fi networks support ten or more different channels. If you're lucky, they'll all work basically the same. Here's what you need to know about wireless channel numbers if you aren't.
This page lists default IP addresses for Belkin routers. Home network routers are set up to use a default IP address when first powered on. Unless it is changed, other devices on the home network recognize Belkin routers by this address, and network administrators also use this number to connect to and administer the router.
An IP address conflict occurs when two computers on a local network (or the Internet) have been assigned the same IP address. IP conflicts between two computers normally render either one or both of them unusable for network operations.
Using any of the several methods described here, you can connect a computer to TV (television) for streaming digital pictures and video. It's an ideal way for watching media on a bigger screen and/or sharing with friends and family.
An SSID is the public name of a wireless network. All of the wireless devices on a WLAN must employ the same SSID in order to communicate with each other. SSID stands for Service Set Identifier.
Follow these step-by-step instructions to quickly find the Internet Protocol (IP) and Media Access Control (MAC) addresses of Windows 7 or older Windows computers (including Windows XP).
You don't need to be a techie to find your network IP address. The method you use to get it depends on the situation though.
The number 192.168.1.100 is the start of the dynamic IP address range on Linksys based home computer networks. 192.168.1.100 is a private (non-routable) IP address.
A router is a more sophisticated network device than either a switch or hub. Routers offer features like firewall support and DHCP server capability that hubs and switches do not. Some routers also contain built-in switches.
A network router can serve as the core of a home network, simplifying how computers and other equipment can connect to each other and share the Internet. Both traditional cabled routers and wireless routers are available.
In Wi-Fi wireless networking, dual band is the capability to transmit on the 5 GHz band of 802.11a and also the 2.4 GHz band used by 802.11b/g/n. Dual-band Wi-Fi is a feature of some wireless routers and network adapters. Some cellular phones also utilize a kind of dual band communications, separate from Wi-Fi.
At first glance, all wireless routers might appear very much alike. Use this checklist to help decide which model of wireless router is a good one for you.
What is networking? Networking in the field of computing is the practice of linking computer devices together to support digital communication among them. Wireless communication represents the future of networking technology.
The OSI model provides a conceptual framework for understanding the architecture of network protocols and services. This article is a reference guide to the OSI model.
Most people who own a network router have had to reset it at one time another, either because they forgot a password or because of some technical glitch. Try these recommended methods to reset a router depending on the situation you face.
A ping test determines the latency (communication delay) between your computer and another computer on a network. Several different types of ping tests exist. The results of a ping test can be useful when troubleshooting network problems, and they are also an important consideration for online gaming and other interactive applications.
A WEP key is a type of security code used on some Wi-Fi wireless networks, although newer and better alternative options exist. WEP keys allow a group of devices on a local network to exchange encoded messages with each other.
The performance of a Wi-Fi wireless network connection depends in part on signal strength. Between a computer and access point, the wireless signal strength in each direction determines the total amount of network bandwidth available. Several different methods for determining the wireless signal strength are available.
192.168.1.101 is part of the typical dynamic IP address range on Linksys based home computer networks. A computer or other device may be given the address 192.168.1.101 automatically by a home network router.
The IP address 192.168.1.0 represents the 192.168.1.x range of addresses where x is between 1 and 255. The 192.168.1.0 network is the default used with Linksys brand home broadband routers. 192.168.1.0 is not a valid address for an IP host.
An access point (AP) is a specially configured node on a wireless local area network (WLAN). Access points act as a central transmitter and receiver of WLAN radio signals.
Wireless access points and routers ship with a default network name (SSID) set by the manufacturer. Change this name to improve the security of your home wireless LAN.
Did you know that updating the Internet DNS server configuration of your home network can improve the performance of your Internet connections? Take a few minutes to survey these free DNS server options.
Belkin broadband routers ship with a default administrator password set at the factory when the device is first built. This page lists the default login passwords for Belkin home routers.
Several sources of wireless interference exist in Wi-Fi home networks. These include both other devices inside the home and also the Wi-Fi networks of neighbors. One way to avoid sources of wireless interference is to change the Wi-Fi channel number used on a WLAN.
A LAN (local area network) supplies networking capability to a group of computers in close proximity to each other such as in an office building, a school, or a home. LANs are useful for sharing resources like files, printers, games or other applications.
Internet standards define certain IP addresses as private. A private IP address cannot be used or accessed on the public Internet, but it can be used on local networks. Using private IP addresses improves network security and conserves IP address space.
This page lists the default IP addresses for Linksys routers. Home network routers are set up to use a default IP address when first powered on. This allows you to access the administrative functions for router setup.
The speed of a Wi-Fi home network depends on signal strength from the wireless router or wireless access point. Follow these tips to position your wireless equipment for optimal network performance.
It is really possible to hide the public IP address of a home computer or router when using the Internet? Hiding my IP address makes it more difficult others to trace its Internet activity.
192.168.0.100 is an IP address used as the default by a few network routers. A broadband router can also automatically assign 192.168.0.100 to a device on the local network, or an administrator can do it manually.
When setting up and maintaining Wi-Fi home networks, consider these tips for maximizing the security of the computers and data on these networks.
The Domain Name System (DNS) translates Internet domain and host names to IP addresses. DNS automatically converts the names we type in our Web browser address bar to IP addresses of the Web servers hosting those sites.
ipconfig is a command line utility in Microsoft Windows. ipconfig allows you to get the IP address information of a Windows computer. ipconfig also allows some control over active TCP/IP connections.
People sometimes want to know Facebook's IP address when they cannot connect to www.facebook.com. Like many popular Web sites, Facebook utilizes multiple Internet servers and IP addresses.
URL stands for Uniform Resource Locator. A URL is a specially-formatted string of text used by Web browsers and other network software to define a location on the Internet.
Monitor online data usage on your smartphone or tablet using these apps. Data usage monitoring can help avoid excessive service charges and keep your service provider honest.
The Transmission Control Protocol/Internet Protocol (TCP/IP) provides connection-oriented communication between Internet devices. TCP/IP is commonly used both on the Internet and in home networks.
The terms bits and bytes are common in computer networking. Both terms refer to digital data transmitted over a network connection. For example, bits and bytes both can hold network addresses or port numbers. So what's the difference?
The speed of a Wi-Fi wireless network connection depends on several factors, including the 802.11 standard it supports. Learn more about what determines the speed of a Wi-Fi network.
A network router contains a default SSID (network name) set by the manufacturer. Manufacturers generally use the same default SSID for all of their equipment, and changing it is a good security practice. Follow these instructions to change the default SSID on network routers.
In computer networking, a default gateway is the device that passes traffic from the local subnet to devices on other subnets. On home networks, the router serves as the default gateway.
Netgear broadband routers ship with a default administrator password and user name / IDs set at the factory. Here are the default passwords and user names.
DHCP - the Dynamic Host Configuration Protocol - allows network devices to automatically obtain a valid IP address from a server. DHCP has become a popular technology used both on corporate LANs and by ISPs.
A subnet mask allows IP networks to be subdivided for security and performance purposes. Learn about the basics of subnetting in this tutorial.
127.0.0.1 is an reserved IPv4 address. 127.0.0.1 is a special purpose address conventionally used as a computer's loopback address.
Internet proxy servers allow you to (mostly) hide your home IP address and navigate anonymously. However, these free public servers often are taken offline without warning, and some may offer a less reputable service than others. If you are interested in anonymous proxies, you should maintain a free proxy server list to ensure at least one is accessible from your home network at all times.
SAN and NAS technologies offer different but complementary solutions for network storage.
This checklist describes common causes for slow Internet connections. Examples of these issues include router configuration settings, Internet worms and background applications. Follow these steps to diagnose slow Internet connections.
An Ethernet cable is a popular type of network cable used for high-speed networking between two devices. Ethernet cables typically connect computers, routers and switches on IP networks.
The simplest kind of home network contains exactly two computers. You can use this kind of network to share files, a printer or another peripheral device, and even an Internet connection. Two computers can be networked together for file sharing in several different ways.
A network switch is a small hardware device that join multiple computers together at a low-level network protocol layer. Network switches differ in capability from both hubs and routers.
Both DSL and cable boast faster speeds than competing Internet services. Is DSL or cable faster than the other? More importantly, what can you do to maximize the performance of your cable or DSL Internet connection?
Two key elements that determine computer network performance are bandwidth and latency. Learn more about network latency and the impact of high latency in this introductory article.
802.11n network equipment supports up to 300 Mbps of rated bandwidth. Unfortunately, sometimes an 802.11n network may operate at much lower speeds such as a 130 Mbps rating. Certain conditions must exist to achieve an 802.11n speed of 300 Mbps as described here.
Wi-Fi is the industry name for wireless LAN (WLAN) communication technology related to the IEEE 802.11 family of wireless networking standards.
IP address 10.1.1.1 is the default for certain D-Link and Belkin home broadband routers. 10.1.1.1 is a private IP address found on internal networks but not on the Internet.
The range of a Wi-Fi wireless computer network depends on the specific Wi-Fi protocol being used, as well as the nature of obstructions in the line of sight to an access point or router. But what are the rough numbers?
Both DSL and cable modem service bring broadband networking to the home and small business at an affordable price. But what are the differences between the two?
To improve the security of your Wi-Fi network, strongly consider enabling and using MAC address filtering. Most wireless access points and routers support MAC address filtering, but disable it by default.
Definition: Ethernet is a physical and data link layer technology for local area networks (LANs). Ethernet was invented by engineer Robert Metcalfe. Many higher level network protocols like Internet Protocol use Ethernet as their transmission medium.
UNC - Universal Naming Convention - notation identifies network resources on Microsoft Windows using a combination of server name and share name.
People sometimes want to know YouTube's IP address when they are unable to connect to the site by its host name. Knowing the YouTube IP address often does not solve this problem, however.
Connecting a computer or other network device to the Internet can be surprisingly difficult and frustrating. The best methods to use vary depending on the kind of network technologies involved.
IP addresses are the fundamental method for computers to identify themselves on the Internet and many other computer networks. This tutorial explains the basics of finding, changing, and hiding my IP addresses.
When using a wireless laptop with public hotspots, a strong WiFi signal is necessary to ensure successful Internet access and good connection speed. A wireless laptop with limited range is likely to suffer from slow or dropped Internet connections. Here are some ideas for improving the WiFi signal of a laptop to ensure best possible wireless Internet access.
192.168.1.3 is the third IP address in the range often used by home computer networks. A broadband router can automatically assign 192.168.1.3 to a device on the local network, or an administrator can do it manually.
Computers and other devices connect to a WiFi network via a wireless access point (or wireless router on home networks). The exact number of devices that can connect and share the network varies but is probably larger than you think.
A wireless bridge connects multiple LANs. Many Wi-Fi bridging products exist, and their functionality can differ from each other substantially.
A network gateway joins two networks together through a combination of hardware and software.
CAT5 is an Ethernet cabling standard that supports high-speed networking. Both CAT5 (CAT 5) and the related CAT5e (CAT 5e) are Ethernet cable standards defined by the Electronic Industries Association and Telecommunications Industry Association (commonly known as EIA/TIA).
These directory listings identify free public Wi-Fi hotspots. Travelers can use these Wi-Fi hot spot directories to map and find nearby wireless Internet access points that are free to use.
192.168.2.2 is the second IP address on the network 192.168.2.0. A broadband router can automatically assign 192.168.2.2 to a device on the local network or an administrator can do it manually.
Network protocols serve as a language of communication among computing devices. A network protocol facilitates device identification and data transfer. Common Internet protocols include TCP/IP.
If your network is not functioning properly, you may see A Network Cable Is Unplugged messages appear repeatedly on the Windows desktop. Learn more about this problem and how to stop Network Cable Unplugged messages from occuring.
This article explains how to build a wireless home network. Pick a wireless design that's right for you, then choose the appropriate hardware, and install and configure your new wireless network.
Compared to the performance of cable Internet service, DSL speed has historically been slower. However, the speed of DSL Internet is increasing as the technology improves and service providers upgrade their network infrastructure. The exact DSL speed you will enjoy varies depending on several factors.
The use of static IP addresses on home computers is sometimes preferred to the dynamic IP addresses local networks commonly employ. A static IP address must be chosen and set carefully especially when multiple computers are involved. Follow these guidelines to set up static IP addresses properly.
TCP/IP networks keep track of both the IP addresses and MAC addresses of connected computers. Given an IP address, here's how you can get to the corresponding MAC address... sometimes.
Do you know how to properly use iPhone Wi-Fi connections? If not, you could be wasting time and money. Learn how to configure and connect to Wi-Fi from the iPhone when you need it.
On home or public wireless networks, your Wi-Fi connection might drop unexpectedly for no obvious reason. Consult this checklist to determine why this might be happening and how to avoid it.
The administrator accounts of Wi-Fi wireless routers allow anyone to control its network if they know the username and password. You should change these passwords periodically to protect the network from hackers.
The IP address 192.168.0.2 is the second address in a range sometimes used by home computer networks. A broadband router can automatically assign 192.168.0.2 to a device on the local network, or an administrator can do it manually.
The OSI model provides a conceptual understanding of LAN/WAN internetworking. The OSI model is an essential aspect of computer networking theory and practice.
Emails normally contain the IP address of the sender in the email header. Identifying this IP address can be tricky and its possible to find a wrong one. Follow these instructions to find the sender's actual IP address.
The MAC address is a number used by network adapters to uniquely identify themselves on a LAN. MAC addresses are 12-digit hexadecimal numbers. MAC addresses work at the data link layer of OSI and map to IP addresses through an address resolution protocol.
Standard computers allow you to turn off wireless networking easily. This can save power and sometimes even improve your network security. But can Wi-Fi be turned off on wireless routers? It depends.
A network bridge device filters data traffic at an inter-network boundary. Bridges reduce the amount of traffic on a local area network (LAN) by dividing it into two segments.
Looking for free VPN software? These downloads probably won't support everything you want to do, but they are a good starting point.
The 802.11n Wi-Fi standard offers speeds comparable with Fast Ethernet and supports greatly increased wireless range over 802.11g and earlier home WiFi networks. 802.11n wireless broadband routers available today are based on the pre-N draft version of the standard.
This index describes each of the free top P2P file sharing programs. Free peer-to-peer P2P file sharing programs allow easy swapping of music, video and other files over the Internet with simple software.
A data rate of 1000 bps is equivalent to 1 Kbps (or kbps); higher data rates are represented in Mbps and Gbps. Slow network interfaces like modems, and serial ports function at Kbps speeds.
IP is probably the world's single most popular network protocol. Data travels over an IP-based network in the form of packets. Each IP packet includes both a header (that specifies source, destination, and other information about the data) and the message data itself.
Networking your printer allows it to be shared among all computers at home rather than just one. Printing from your phone or iPad is also possible. The steps to set it up properly depend on the type of printer and the home network's configuration.
A wireless network may contain several different types of equipment. A wireless range extender allows Wi-Fi signals to be spread over larger distances, overcoming obstructions and improving signal strength for clients.
LTE is a wireless broadband technology designed to support mobile broadband Internet access via cell phones and handheld devices. LTE is sometimes referred to as a 4G (fourth generation) cellular communications technology.
In computer networking, a port number is part of the addressing information used to identify the senders and receivers of messages. Port numbers are most commonly used with TCP/IP connections. Home network routers and computer software work with ports and sometimes allow you to configure port settings.
In computer networking, DMZ is a firewall configuration for securing local area networks (LANs). DMZ network configurations add an extra layer of security for computers behind a firewall by setting up one or more computers outside, which field all incoming requests before they reach the firewall.
Home and small business computer networks can be built using either wired or wireless technology. Wired and wireless network technologies each have advantages over the other. This article guides you through the wired vs wireless decision making process.
Follow these step-by-step instructions to set up an ad hoc Wi-Fi network. A Wi-Fi network in ad hoc (or peer) mode allows two or more devices to communicate with each other directly instead of through a central wireless router or access point.
A USB port is a connection point on computers and many other types of consumer electronics. You can use USB ports to plug in network adapters, broadband modems, and other computer networking gear.
Each Web site on the Internet possesses one or more IP addresses. Knowing a Web site IP address can be useful to determine its physical location. Follow these instructions to find the IP address for a Web site.
A wide area network (WAN) spans a large geographic area. A WAN often contains multiple local area networks (LANs) and/or metropolitan area networks (MANs).
The 802.11g standard for wireless networking supports a maximum bandwidth of 54 Mbps. Yet some 802.11g-compatible home networking products may advertise speeds of 108 Mbps or more. And neither number accurately reflects the real-world performance of 802.11g. How fast, then, is 802.11g Wi-Fi networking?
In computer networking, ad hoc mode refers to the ability of wireless devices to communicate directly with each other. Ad hoc wireless networks are used for peer-to-peer communication when central access points or wireless routers are not available.
192.168.1.4 is the fourth IP address in the range often used by home computer networks. A broadband router can automatically assign 192.168.1.4 to a device on the local network, or an administrator can do it manually.
Windows XP allows you to set up wireless connections to network routers and access points automatically. This feature helps you to make wireless Internet / Wi-Fi network connections more easily with laptop computers and is highly recommended for those who roam between multiple locations.
This collection of home network diagrams covers both Ethernet and wireless layouts. Network diagrams with routers, access points, printers and entertainment consoles are included.
CCNA is a popular certification program in computer networking developed by Cisco Systems. In addition to a core certification, Cisco also provides separate exams and certs called CCNA Security, CCNA Voice and CCNA Wireless designed to recognize speciality in those respective areas.
The WLAN supports network communication over short distances using radio or infrared signals instead of traditional network cabling. A WLAN typically extends an existing wired local area network.
The IP address 192.168.0.0 represents the start of a Class C private address range. 192.168.0.0 is a private IP address not usable on the Internet.
Follow these instructions to determine your IP address. With this procedure you should have no trouble answering the question: What's my IP address?
Many wireless access points and routers routinely transmit the Wi-Fi network name (SSID) into open air. This makes it easier for hackers to break into your home wireless LAN. Disable this SSID broadcast feature to improve the security of your WLAN.
Ping is the name of a standard utility used to test network connections. Ping utilities are part of Windows, Mac OS X and Linux as well as some network routers and game consoles.
Broadband routers like the Linksys WRT54G ship with a default password set at the factory. Knowing the WRT54G password is required when first logging into it for administration. Changing the WRT54G default password is highly recommended for security reasons.
An FTP server is a required software application on networks that wish to support file sharing using the File Transfer Protocol (FTP) and Internet servers. This index describes the most popular FTP server software for Windows, some of which are free.
192.168.1.5 is the fifth IP address on the 192.168.1 network. A broadband router can automatically assign 192.168.1.5 to a device on its network, or an administrator can do it manually.
Every public IP address used on the Internet is registered to an owner. Follow these instructions to find the owner of a given IP address.