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Glossary


Frame Relay
A high-speed WAN link that uses point-to-point virtual circuits. A virtual circuit is a logical connection between two sites.
A Frame Relay network consists of a backbone, made up of FR switches, that provides the service. Typically, a public Frame Relay supplier offers the Frame Relay service. The router acts as the device that connects your LANs to the Frame Relay WAN.
IP (Internet Protocol)
A set of protocols that enables interconnected networks to function as a single system. This protocol defines the IP datagram as the unit of information passed across an internet. It provides the basis for connectionless, best-effort packet delivery service, with no guarantee that the packet reaches its destination; reliability is left to a transport protocol, such as TCP.
IPX (Internet Packet Exchange)
A Novell NetWare protocol that transfers information between networks connected by physical media.
LAN (Local Area Network)
Any physical network technology that operates at high speed over short distances. For example, Ethernet.
RIP (Routing Information Protocol)
A protocol that allows routers to exchange information about destinations for computing routes throughout the network. Does not alter IP packets and routes them based on destination address only.
static route
A route that is defined (that is, manually entered) by you in a routing table.
subnet mask
An address mask that specifies which parts of an IP address identify a network and which parts identify a host. Subnet masks allow a site with multiple physical LAN segments to use a single IP network number.
WAN (Wide Area Network)
Any physical network technology that spans large geographic distances. For example, the Internet.



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