Netgear 700 Series Managed Switch for Software v2.1 User Manual download pdf (Page 143)

700 Series Managed Switch User’s Guide for Software v2.1

Glossary

SM-10004-02

Filtering

The process of screening a packet for certain characteristics, such as source address, destination address, or

protocol. Filtering is used to determine whether traffic is to be forwarded, and can also prevent unauthorized

access to a network or network devices.

Flow control

A congestion- control mechanism. Congestion is caused by devices sending traffic to already overloaded

port on a switch. Flow control prevents packet loss and temporarily inhibits devices from generating more

traffic until the period of congestion ends.

Full-duplex

A system that allows packets to be transmitted and received at the same time and, in effect, doubles the

potential throughput of a link.

Gateway

A local device, usually a router, that connects hosts on a local network to other networks.

Gigabit Ethernet

An Ethernet system that is designed to operate at 1000 Mbps (1 Gbps).

Half-duplex

A system that allows packets to transmitted and received, but not at the same time. Contrast with

full-duplex.

IEEE

Institute of Electrical and Electronics Engineers. This American organization was founded in 1963 and sets

standards for computers and communications.

IETF

Internet Engineering Task Force. An organization responsible for providing engineering solutions for TCP/

IP networks. In the network management area, this group is responsible for the development of the SNMP

protocol.

IGMP

Internet Group Management Protocol, the standard for IP multicasting in the Internet. IGMP is used to

establish host memberships in multicast groups on a single network. (See IP multicast)

Internet Protocol is the main internetworking protocol used in the Internet. Used in conjunction with the

Transfer Control Protocol (TCP) to form TCP/IP.

IP Address

A four-byte number uniquely defining each host on the Internet, usually written in dotted-decimal notation

with periods separating the bytes (for example, 134.177.244.57).

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Netgear 700 Series Managed Switch for Software v2.1 User Manual Page 143