Appendix A. Glossary System Manual
Page 2-120 8/09 76.7300FP11/2, Rev A
CST Common Spanning Tree
CVID Customer VLAN Id
C-VLAN Customer Virtual LAN
A VLAN is an address identifier that is part of an
Ethernet frame header, and it is used for routing the
frame. A VLAN provides a second level hierarchy for
routing Ethernet frames.
See also S-VLAN.
DA Destination Address - is an address identifier that is
part of an Ethernet frame header; used for routing the
frame.
DCN Data Communication Network
DEI Drop Eligible Indicator
DMAC Destination Mac - is a MAC address identifier that is
part of an Ethernet frame header; used for routing the
frame.
DSCP Differentiated Service Code Point
DTE Data Terminal Equipment
EBS Excess Burst Size
EFM Ethernet for the First Mile
EIR Excess Information Rate
E-LAN Ethernet LAN - means Ethernet protocol over a LAN.
E-Line Ethernet Line
EMC Electromagnetic Compatibility
EMI Electromagnetic Interference
EMS Element Management System
EOAM Ethernet Operations, Administration and Maintenance
ESD Electrostatic Discharge
ESU Ethernet Switching Unit
ETSI European Telecommunications Standards Institute
EthPort Ethernet Port Same as MAC port.
etherchannel Same as Link Aggregation Group port (LAG). Also
refer to port-channel.
EVC Ethernet Virtual Circuit
FCS Frame Check Sequence - Error counter table,
transmission error
FDA Food and Drug Administration
Table A.1 Glossary (Continued)
Acronym/Term Definition Additional Information
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