Subnet Mask - Pirelli P.RG AV4202N User Manual

PPPoE
Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a method of data transmission originally cre-
ated for dial-up connections; PPPoE is for Ethernet connections.
RJ-45
A standard connector used to connect Ethernet networks. The "RJ" stands for "registered jack".
Router
A device that acts as a central hub by connecting to each computer's network interface card and managing
the data traffic between the local network and the Internet.
Server
A computer in a network that is shared by multiple end stations. Servers provide end stations with access to
shared network services such as computer files and printer queues.
SSID
Service Set Identifier. Some vendors of wireless products use SSID interchangeably with ESSID.
Subnet Address
An extension of the IP addressing scheme that allows a site to use a single IP network address for multiple
physical networks.

Subnet mask

A subnet mask, which may be a part of the TCP/IP information provided by your ISP, is a set of four numbers
configured like an IP address. It is used to create IP address numbers used only within a particular network
(as opposed to valid IP address numbers recognized by the Internet, which must assigned by InterNIC).
Subnets
A network that is a component of a larger network.
Switch
A device that interconnects several LANs to form a single logical LAN that comprises of several LAN seg-
ments. Switches are similar to bridges, in that they connect LANs of a different type; however they connect
more LANs than a bridge and are generally more sophisticated.
TCP/IP
Transmission Control Protocol/Internet Protocol. This is the name for two of the most well-known protocols
developed for the interconnection of networks. Originally a UNIX standard, TCP/IP is now supported on al-
most all platforms, and is the protocol of the Internet.
172 OGU 930500275-A1