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LOSSARY
Glossary-3
that VLANs defined in each switch can work automatically over a
Spanning Tree network.
Generic Attribute Registration Protocol (GARP)
GARP is a protocol that can be used by endstations and switches to
register and propagate multicast group membership information in a
switched environment so that multicast data frames are propagated only to
those parts of a switched LAN containing registered endstations. Formerly
called Group Address Registration Protocol.
Generic Multicast Registration Protocol (GMRP)
GMRP allows network devices to register endstations with multicast
groups. GMRP requires that any participating network devices or
endstations comply with the IEEE 802.1p standard.
Gigabit Ethernet
A 1000 Mbps network communication system based on Ethernet and the CSMA/
CD access method.
Group Attribute Registration Protocol
See Generic Attribute Registration Protocol.
IEEE 802.1D
Specifies a general method for the operation of MAC bridges, including
the Spanning Tree Protocol.
IEEE 802.1Q
VLAN Tagging—Defines Ethernet frame tags which carry VLAN
information. It allows switches to assign endstations to different virtual
LANs, and defines a standard way for VLANs to communicate across
switched networks.
IEEE 802.1p
An IEEE standard for providing quality of service (QoS) in Ethernet networks.
The standard uses packet tags that define up to eight traffic classes and allows
switches to transmit packets based on the tagged priority value.