Telecommunications Glossary of terms used on this site

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Term Definition
L2CP

Layer Two Control Protocols

L2SC

A Layer 2 Switch Capable Interface, or L2SC interface, is an interface that can determine Layer 2 (L2) cell and frame boundaries, and forward data based on L2 header information, and is typical within interfaces of Asychronous Transfer Mode (ATM), Frame Relay and L2 Ethernet switches.

Aliases (separate with |): Layer 2 Switch Capable|Layer 2 Switch Capable Interface
Label Switch Router

A Label Switch Router or LSR forwards packets within a MPLS or Multiprotocol Label Switching network.

Aliases (separate with |): Label Switch Router
LACP

Link Aggregation Control Protocol, or LACP, is a protocol which permits multiple Ethernet links to be bundled within a larger bandwidth.

Aliases (separate with |): Link Aggregation Control Protocol
LAG

Link Aggregation Group

LAN

Local Area Network

Layer 2 Control Protocol Service Frame

A Layer 2 Control Protocol Service Frame is a Service Frame that is used for Layer 2 control, e.g., Spanning Tree Protocol (STP).

Layer 2 Control Protocol Service Frame D

Layer 2 Control Protocol Service Frame Delivery is the process by which a Layer 2 Control Protocol Service Frame is passed through the Service Provider network switches without being processed by those switches and delivered to the proper User Network Interfaces (UNI).

Layer 2 Control Protocol Tunneling

Layer 2 Control Protocol Tunneling is the process by which a Layer 2 Control Protocol Service Frame is passed through the Service Provider network without being processed and delivered unchanged to the proper User Network Interface (UNI).

LD

Long Distance

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