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DNS
Domain Name Service. A system used for translating host names for
network nodes into IP addresses.
DSCP
Differentiated Services Code Point Service. DSCP uses a six-bit tag
to provide for up to 64 different forwarding behaviors. Based on
network policies, different kinds of traffic can be marked for different
kinds of forwarding. The DSCP bits are mapped to the Class of
Service categories, and then into the output queues.
EAPOL
Extensible Authentication Protocol over LAN. EAPOL is a client
authentication protocol used by this switch to verify the network
access rights for any device that is plugged into the switch. A user
name and password is requested by the switch, and then passed to
an authentication server (e.g., RADIUS) for verification. EAPOL is
implemented as part of the IEEE 802.1X Port Authentication standard.
EUI
Extended Universal Identifier is an address format used by IPv6 to
identify the host portion of the network address. The interface
identifier in EUI compatible addresses is based on the link-layer (MAC)
address of an interface. Interface identifiers used in global unicast and
other IPv6 address types are 64 bits long and may be constructed in
the EUI-64 format. The modified EUI-64 format interface ID is derived
from a 48-bit link-layer address by inserting the hexadecimal number
FFFE between the upper three bytes (OUI field) and the lower 3 bytes
(serial number) of the link layer address. To ensure that the chosen
address is from a unique Ethernet MAC address, the 7th bit in the
high-order byte is set to 1 (equivalent to the IEEE Global/Local bit) to
indicate the uniqueness of the 48-bit address.
GARP
Generic Attribute Registration Protocol. 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.
GMRP
Generic Multicast Registration Protocol. GMRP allows network
devices to register end stations with multicast groups. GMRP requires
that any participating network devices or end stations comply with the
IEEE 802.1p standard.
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
Summary of Contents for GEP-1070
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