Common problems with wi-fi
Everyone these days wants to get wireless. It is a kind of "what to do." Curiously, is that nobody seems to know what they're doing when it comes to wireless. They think they uncover the box plug in some cables and away they go. Well, not really so simple.
Problem number one, would be security. You MUST think about security if you deploy a wireless network in your home or office. If you think helping your IT department, putting an access point in your office can move things around your desktop with more freedom, think again. If you has done this without establishing any type of encryption, which just opened a huge back door for their business network. At home, you may not be so worried. If someone shares my internet So what? A person next door could easily setup a phishing fraud in the apartment next door, and use the wireless connection for access Internet. Then guess whose door the FBI comes calling? So is yours. So encryption is a must, I recommend using WPA and WEP, because WEP has proven to be easily manipulated.
Problem number two, would be the placement. Before you create anything, you should do a site survey. Walk around your home or office and look for things that can cause interference. Map of things, and take notes. Take a laptop with NetStumbler installed and search for other wireless networks within the range and see what channels are. Some things that can cause problems are:
* Cordless Phones / Microwave: These devices work to 2.4 GHz, which is the same frequency as 802.11g standard / routers to use the N. Since both operate at the same frequency signals interfering with each.
* Concrete Walls: Concrete causes a problem, not the thickness or reinforcing bars in it, but by water in the mixture. The magic in particular is that it leaves to cure and water on the wall can cause signal loss.
* Point the antenna: Some people think that pointing the antenna is self-explanatory, but not is. You can not point its antenna, as you point your finger because the signal comes from the antenna radiates from the sides of the antenna at the top.
* Wireless Channels: By default, most routers come pre-configured to use either channel 6 or 11 (if I remember correctly). Find what channel networks are around using and select a different channel. As mentioned above, NetStumbler for Windows works well for this as well as KisMAC Kismet for Linux and MAC.
* Chicken wire right: That's right, I said chicken wire. I have not come up with this myself one. I had a wireless class at college, and my teacher told us chicken wire. The screens used in some houses to underwrite in the insulation in the walls, or is used when placing drywall. The holes in the mesh are not large enough to allow the signal wave of the wireless signal to penetrate the wall, creating a Faraday cage of sorts.
Edition number three, compatibility. Almost all wireless devices come with the WiFi logo which is supposed to indicate some kind of standard. It is suggested that if you have Belkin router, Linksys wireless card must be compatible. Well, 9 times out of 10 that's true, but every once in a while is not that the time 1, when it is not. Almost always better to stick to the practice of the same manufacturer. If you are a D-Link, stick with D-Link, Linksys, if you like, stick with linksys and so on.
Question number four, Firmware. The manufacturers of your equipment frequently come out with firmware updates for their products. If you notice problems with the router or the card, look in the manufacturers' web site for a possible firmware update. Many times, the update can fix the problems you are having.
Edition number five, compared to a loss of profit. Every time you have to send a signal down a cable that has a loss. If you have a long cable that goes from your modem, CSU / DSU, go to your router so no loss of signal. The longer the cable, the loss more. Similarly, the air creates signal loss. The further away from the antenna, the weaker the signal. On the other hand, every time you have an antenna, you have profit. Each time the signal leaves of the antenna, or received by an antenna is a bit of gain in the signal. So what does that mean to you? Shorten the wires if possible, and buy large antennas gain for your routers if you need the signal to travel longer distances.
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All the information you need about wireless routers
Like any wireless system, a wireless router gives you the freedom of space valuable work free of cable clutter. Technically speaking, a wireless router is a special network router that connects wireless and different workstations on the network traffic routes between workstations and an existing Internet connection.
Some of these cable routers are actually routers with wireless access points built in what may have cable and / or wireless at the same time. Another option is a router with a built-in cable modem or DSL. You also consider hardware box and software security combo to connect and protect your home network or office. The mobile is able to share one Internet connection among several computers via 802.3 Ethernet and 802.11b / g wireless data links.
These routers are very popular among network users. On the other hand is so good that the use of cable networks, without compromising on connectivity, speed and security. A wireless LAN router usually adds a built-in access point to a multi-port Ethernet router.
This one combines wireless Ethernet networks with multiple. A typical wireless LAN router includes four Ethernet ports, an 802.11 access point and, sometimes, a parallel port for it can function as a print server. This provides users with wireless as well as wired users to send and receive packets on networks multiple.
There are many manufacturers of wireless devices, which are popular D-Link, Netgear, Actiontec etc. Among them, the D-Link routers is what we find the product is popular among residential and commercial users. These routers have an extraordinary ability to offer superior performance to the ability transferring large files and manage network traffic.
Most of these routers offer several important advantages in home and small office. By example, you can opt for a cable modem service that provides a single IP address via DHCP on the router and the router then provides IP addresses via DHCP to clients on your LAN. It helps a lot all Once the customer has access to the Internet.
Routers are well suited for commercial networks or wireless in public places, especially if there are several networks that are accessible. These routers when viewed in a corporate network administrators provide an additional means of control and upgrade their networks.
As these routers send packets to specific addresses, instructions, do not forward the broadcast packets transmitted by other devices. A major advantage routers since they provide an extra layer of security, both wired and wireless side. The cable side is usually protected by a firewall and has a range of access control filters.
Therefore, not only wireless routers are easy to use and saves space, are also big on speed, and capacity manage multiple networks easily and without sacrificing security.
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