Glossary
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1553-KDU 137 365 Uen D 2006-06-16
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
Institute of Electrical and Electronic Engineers.
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.
IEEE 802.1s
An IEEE standard for the Multiple Spanning
Tree Protocol (MSTP) which provides
independent spanning trees for VLAN groups.
IEEE 802.1X
Port Authentication controls access to the
switch ports by requiring users to first enter a
user ID and password for authentication.
IEEE 802.3
Defines carrier sense multiple access with
collision detection (CSMA/CD) access method
and physical layer specifications.
IEEE 802.3ab
Defines CSMA/CD access method and
physical layer specifications for 1000BASE-T
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