L	limit
L1	Layer 1
L1	Level 1
L1CS	Level 1Circuit Scope
L1FS	Level 1Flooding Scope
L1VPN	Layer 1Virtual Private Network
L2	Layer 2
L2	Layer-2
L2	Level 2
L2CP	Layer 2Control Protocol
L2CS	Level 2Circuit Scope
L2FS	Level 2Flooding Scope
L2SC	Layer-2Switch Capable
L2TP	Layer 2Tunnel Protocol
L2TP	Layer 2Tunneling Protocol
L2TP	Layer-2Tunneling Protocol
L2VPN	Layer 2Virtual Private Networks
L3	Layer 3
L3VPN	Layer 3Virtual Private Network
LA	Licensing Agent
LAA	L2TPv2 Access Aggregation
LAA	Locally-Administered Addresses
LAALP	Local Active-Active Link Protocol
LAC	L2TP Access Concentrator
LACP	Link Aggregation Control Protocol
LAG	Link Aggregate Groups
LAG	Link Aggregation Group
LAN	Local Area Network
LANL	Los Alamos National Laboratory
LAS	locally available state
LAT	Local Area Transport
LB	Leaky Bucket
LBL	Lawrence Berkeley Laboratory
LBNR	Lookup-By-Name Routing
LBR	Level Border Router
LBR	Low bitrate range
LBRR	Low Bit-Rate Redundancy
LBU	Link Bandwidth Utilization
LC	Line Card
LC	Link Color
LC	long-cardinal
LCAF	LISP Canonical Address Format
LCAS	Link Capacity Adjustment Scheme
LCCE	L2TP Control Connection Endpoint
LCD	Local Configuration Datastore
LCG	Linear Congruential Generator
LCI	Location Configuration Information
LCN	Local Computer Networks
LCN	Logical Channel Number
LCP	Link Control Protocol
LCP	Location Configuration Protocol
LCS	Location Configuration Server
LCS	line code specific
LCT	Layered Coding Transport
LCT	Local Craft Terminal
LCV	Line Coding Violation
LD	Layer Data
LD	Link Degraded
LD	logical device
LDA	Local Delivery Agent
LDAP	Lightweight Directory Access Protocol
LDH	letter-digit-hyphen
LDI	Link Down Indication
LDIF	LDAP Data Interchange Format
LDLC	Logical Data Link Control
LDP	Label Distribution Protocol
LDP	Loader Debugger Protocol
LDP	Loader-Debugger Protocol
LDPC	Low Density Parity Check
LDPC	Low-Density Parity Check
LDR	Local Data Repository
LDRA	Lightweight DHCPv6 Relay Agent
LE	Local Exchange
LE	Lower Effort
LEA	Law Enforcement Agency
LEAF	Law Enforcement Access Field
LEC	Local Exchange Carrier
LEN	Low-entry networking
LEO	Low Earth Orbit
LEO	Low-Earth Orbit
LER	Label Edge Router
LES	Line Errored Seconds
LESB	Link Error Status Block
LF	Line Feed
LF	Line-Feed
LF	Link Failure
LF	largest frame
LFA	Loop-Free Alternate
LFB	Logical Function Block
LFB	Logical Functional Block
LFN	Local Fixed Nodes
LFN	Long Fat Network
LFS	Label Format Specifier
LFSR	linear feedback shift register
LG	Location Generator
LHR	Last-Hop Router
LHS	Local Handle Service
LI	Lawful Intercept
LI	Leap Indicator
LI	Length Indicator
LI	Location Information
LI	Lock Instruct
LI	long-integer
LIA	Location-Info-Answer
LIB	Label Information Base
LIH	Logical Interface Handle
LIJ	Leaf Initiated Join
LIO	Line-Identification Option
LIR	Leaf Information Required
LIR	Local Internet Registry
LIR	Location-Info-Request
LIS	Location Information Server
LIS	Logical IP Subnet
LISP	Locator-Identifier Split Protocol
LKH	Logical Key Hierarchy
LLA	Link-Layer Address
LLAP	LocalTalk Link Access Protocol
LLC	Limited Liability Company
LLC	Link Layer Control
LLC	Logical Link Control
LLDN	Low-Latency Deterministic Networks
LLDP	Link Layer Discovery Protocol
LLDP	Link-Layer Discovery Protocol
LLLF	long-lived large flow
LLME	Lower-Layer Management Entity
LLMNR	Link-local Multicast Name Resolution
LLNL	Lawrence Livermore National Laboratory
LLP	Lower Layer Protocol
LLQ	Long-Lived Query
LLQC	Last Listener Query Count
LLS	Link Local Signalling
LLS	Link-Local Signalling
LLSF	long-lived small flow
LM	Location Management
LM	Loss Measurement
LMA	Local Mobility Anchor
LMA	localized mobility anchor
LMAA	Local Mobility Anchor Address
LMI	Logistics Management Institute
LMM	Local mobility management
LMM	Loss Measurement Message
LMN	Local Mobile Node
LMP	Link Management Protocol
LMR	Loss Measurement Reply
LMR	land mobile radio
LMS	Layered Mapping System
LMS	Layered Multi-Stream
LMS	Leighton-Micali Signature
LNP	Local Network Protection
LNR	LOGGER NOT RESPONDING
LNS	L2TP Network Server
LO	Location Object
LOA	Lack of Ack
LOA	Loss of Alignment
LOC	loss of continuity
LOF	loss of frame
LOL	Loss of Light
LOL	Loss-of-Light
LOM	loss-of-margin
LOP	Loss of Pointer
LOPS	Loss of Packet Synchronization
LOS	Loss of Signal
LOS	line-of-sight
LOS-O	Loss of Signal -Overhead
LOS-P	Loss of Signal -Payload
LOSW	Loss of Sync Word
LOTOS	Language of Temporal Ordering Specification
LP	Linear Prediction
LP	Lost Packets
LP	lower-priority
LPAS	Limited Private Address Scenario
LPC	Linear Predictive Coding
LPC	Linear-Predictive Coding
LPDP	Local Policy Decision Point
LPP	Lightweight Presentation Protocol
LPU	Line Process Unit
LPWAN	Low Power Wide-Area Network
LPWAN	Low-Power Wide Area Network
LQL	Link Quality Level
LQM	Link Quality Monitoring
LR	LSDB Resynchronization
LR	Location Recipient
LR	long reach
LRA	Local Registration Authority
LRA	Local Routing Acknowledgment
LRA	Localized Routing Acknowledgment
LRBU	Link Reserved Bandwidth Utilization
LRF	Location Routing Function
LRH	Local Routing Header
LRI	Localized Routing Initiation
LRM	Link Resource Manager
LRN	LINK RESYNCH NUMBER
LRO	Locator Redirection Option
LRR	Layer Refresh Request
LRR	Link Reset Response
LRR	Locator Rewriting Relay
LS	Link State
LS	Lip Synchronization
LS	Local Server
LS	Location Server
LSA	Link State Advertisement
LSA	Link-State Advertisements
LSB	least significant bit
LSC	Lambda Switching Capable
LSC	Lambda-Switch Capable
LSC	Lambda-Switch-Capable
LSC	lambda switch capable
LSE	Label Stack Entry
LSI	Local Scope Identifier
LSMA	Large-Scale Multicast Applications
LSN	Large-Scale NAT
LSN	Last Stamping Node
LSP	Label Switched Path
LSP	Label Switching Path
LSP	Link State PDU
LSP	label-switched path
LSR	Label Switch Router
LSR	Label Switching Router
LSR	Loose Source Routing
LT	Loose Tree
LTA	Long-term Archive
LTAP	Long-term Archive Protocol
LTE	Long term evolution
LTE	Long-Term Evolution
LTI	Liveness Test Interval
LTKM	long-term key message
LTM	Link Trace Message
LTP	Licklider Transmission Protocol
LTP	Link Termination Point
LTP	Long-Term Prediction
LTR	Link Trace Reply
LTRU	Language Tag Registry Update
LTS	Loose Tree Set
LU	Least Used
LU	logical unit
LUF	Look-Up Function
LUN	Logical Unit Number
LVF	Location Validation Function
LW	LOSS WINDOW
LWIG	Light-Weight Implementation Guidance
LWS	Linear white space
LWS	leading white space
LZS	Lempel-Ziv-Stac