AirLive AP60 User Manual

Page 94

Advertising
background image

12. Wireless Network Glossary

AirLive AP60 User’s Manual

88

ESSID (SSID)
The identification name of an 802.11 wireless network. Since wireless network has no

physical boundary liked wired Ethernet network, wireless LAN needs an identifier to

distinguish one network from the other. Wireless clients must know the SSID in order to
associate with a WLAN network. Hide SSID feature disable SSID broadcast,

so users must know the correct SSID in order to join a wireless network.


Firewall
A system that secures a network and prevents access by unauthorized users. Firewalls can

be software, router, or gateway. Firewalls can prevent unrestricted access into a network,

as well as restricting data from flowing out of a network.


Firmware
The program that runs inside embedded device such as router or AP. Many network

devices are firmware upgradeable through web interface or utility program.


FTP
File Transfer Protocol. A standard protocol for sending files between computers over a

TCP/IP network and the Internet.


Fragment Threshold
Frame Size larger than this will be divided into smaller fragment. If there are interferences

in your area, lower this value can improve the performance. If there are not, keep this
parameter at higher value. The default size is 2346. You can try 1500, 1000, or 500

when there are interference around your network.


Gateway
In the global Internet network, the gateways are core routers that connect networks in

different IP subnet together. In a LAN environment with an IP sharing router, the gateway

is the router. In an office environment, gateway typically is a multi-function device that

integrates NAT, firewall, bandwidth management, and other security functions.

Hotspot
A place where you can access Wi-Fi service. The term hotspot has two meanings in

wireless deployment. One is the wireless infrastructure deployment, the other is the
Internet access billing system. In a hotspot system, a service provider typically need an

authentication and account system for billing purposes, and a wireless AP network to

provide access for customers.

Advertising