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Glossary
Avaya P460 Reference Guide 203
ISL
Interswitch Link. An Avaya proprietary mechanism to tag packets with VLAN and
priority information across the backbone. This allows two Avaya devices to act as a
single logical entity.
ISO
International Standards Organization. A voluntary organization founded in 1946,
responsible for creating international standards in many areas, including computers
and communications.
Jabber
An error condition in which a network device continually transmits random,
meaningless data onto the network. In IEEE 802.3, Jabber refers to a data packet, the
length of which exceeds the maximum length prescribed in the standard.
LAG
Link Aggregation Groups (LAGs) provide a method of creating a high-bandwidth
link. A LAG consists of a group of ports acting as a single logical port. All ports
participating must have the same configuration.
LAN
Local Area Network. A high-speed, low-error data network that spans a limited
area. LANs connect workstations, peripherals, terminals, and other devices in a
single building or other geographically limited area.
LANE
LAN Emulation. A technique that specifies the interfaces and protocols needed for
providing LAN-supported functionality and connectivity in an ATM environment.
This enables legacy protocols to be interoperable with ATM protocols, interfaces,
and devices.
LAN Emulation
A technique that specifies the interfaces and protocols needed for providing LAN-
supported functionality and connectivity in an ATM environment. This enables
legacy protocols to be interoperable with ATM protocols, interfaces, and devices.
LEC
LAN Emulation Client. A LEC is an entity in an end system that performs data
forwarding, address resolution, and other control functions for a single end system
within a single ELAN. A LEC also provides a standard LAN service interface to any
higher-layer entity that interfaces with the LEC. Each LEC is identified by a unique
ATM address, and is associated with one or more MAC addresses reachable
through that ATM address.