Appendix A. Glossary System Manual
Page 2-122 8/09 76.7300FP11/2, Rev A
LA Link Aggregation
LAM Link Aggregation Member Same as Link Aggregation
Group Port. See LAGP.
LAN Local Area Network
LBR Loopback Response
LBM Loopback Message
LED Light Emitting Diode
Long Frame A frame longer than 1522 bytes (or 9022 for jumbo
frames) with a valid FCS.
LT Link Trace
LTR Link Trace Received
LTM Link Trace Message
MA Maintenance Association
MAC Media Access Control - IEEE 802 specification for
Layer 2 in the data link layer, which defines the
topology-dependent access control protocols for IEEE
LAN specifications.
Mbps Megabits per second
MD Maintenance Domain
MEF Metro Ethernet Forum - is a global industry alliance
that develops technical specifications and
implementation agreements to promote
interoperability and deployment of Carrier Ethernet
worldwide.
For more information, go to
www.metroethernetforum.org.
MEP Maintenance End Point
MI Multiple Instance Also referred to as Virtual
Switch or Virtual Context.
MIB Management Information Base
MPLS MPLS - is a packet-forwarding technology that
employs labels to help determine how to forward
packets.
MST Multiple Spanning Tree
MSTI Multiple Spanning Tree Instance
MSTP Multiple STP Mode See also STP.
MTU Maximum Transmission Unit
MTP Mirror-To-Port
multiple instance same as virtual switch
Table A.1 Glossary (Continued)
Acronym/Term Definition Additional Information
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