Bedienungsanleitung Linksys wrv54g router (Seite 14 von 145) (Englisch)

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Chapter 2: Planning Your Wireless Network

Network Topology

Wireless-G VPN Broadband Router

Chapter 2: Planning Your Wireless Network

Network Topology

A wireless local area network (WLAN) is exactly like a regular local area network (LAN), except that each

computer in the WLAN uses a wireless device to connect to the network. Computers in a WLAN share the same

frequency channel and SSID, which is an identification name shared by the wireless devices belonging to the

same wireless network.

Ad-Hoc versus Infrastructure Mode

Unlike wired networks, wireless networks have two different modes in which they may be set up: infrastructure

and ad-hoc. An infrastructure configuration is a WLAN and wired LAN communicating to each other through an

access point. An ad-hoc configuration is wireless-equipped computers communicating directly with each other.

Choosing between these two modes depends on whether or not the wireless network needs to share data or

peripherals with a wired network or not.

If the computers on the wireless network need to be accessible by a wired network or need to share a peripheral,

such as a printer, with the wired network computers, the wireless network should be set up in Infrastructure

mode. The basis of Infrastructure mode centers around an access point or wireless router, such as the

Wireless-G VPN Broadband Router, which serves as the main point of communications in a wireless network. The

Router transmits data to PCs equipped with wireless network adapters, which can roam within a certain radial

range of the Router. You can arrange the Router and multiple access points to work in succession to extend the

roaming range, and you can set up your wireless network to communicate with your Ethernet hardware as well.

If the wireless network is relatively small and needs to share resources only with the other computers on the

wireless network, then the Ad-Hoc mode can be used. Ad-Hoc mode allows computers equipped with wireless

transmitters and receivers to communicate directly with each other, eliminating the need for a wireless router or

access point. The drawback of this mode is that in Ad-Hoc mode, wireless-equipped computers are not able to

communicate with computers on a wired network. And, of course, communication between the wireless-

equipped computers is limited by the distance and interference directly between them.

Network Layout

The Wireless-G VPN Broadband Router has been specifically designed for use with both your 802.11b and

802.11g products. Now, products using these standards can communicate with each other.

infrastructure: a wireless network

that is bridged to a wired network via

an access point

ssid: your wireless network’s name

ad-hoc: a group of wireless devices

communicating directly to each other

(peer-to-peer) without the use of an

access point

access point: a device that allows wireless-

equipped computers and other devices to

communicate with a wired network. Also used

to expand the range of a wireless network

adapter: a device that adds

network functionality to your PC

ethernet: IEEE standard network protocol that

specifies how data is placed on and retrieved

from a common transmission medium

network: a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users

lan (local area network): The computers and

networking products that make up the network in

your home or office

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