index_L

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labels 
LAN-to-LAN VPNs
    VPNs:LAN-to-LAN
        remote access:VPNs:LAN-to-LAN;IPSec:LAN-to-LAN VPNs  2nd 
landlines
    cabling:landlines
        network local access;local access 
LANs  [See also VLANs]
    interworking
        WANs 
LANs:broadcast transmission
    broadcast transmission  2nd 
LANs:bus topology
    bus topology
        topologies (LANs):bus 
LANs:Ethernet
    Ethernet
        IEEE 802.3 
LANs:Ethernet:10 Gigabit Ethernet
    Ethernet:10 Gigabit Ethernet
        IEEE 802.3:10 Gigabit Ethernet;10 Gigabit Ethernet 
LANs:Ethernet:CSMA/CD
    Ethernet:CSMA/CD
        IEEE 802.3:CSMA/CD;CSMA/CD 
LANs:Ethernet:Fast Ethernet
    Ethernet:Fast Ethernet
        IEEE 802.3:Fast Ethernet;Fast Ethernet 
LANs:Ethernet:Gigabit Ethernet
    Ethernet:Gigabit Ethernet
        IEEE 802.3:Gigabit Ethernet;Gigabit Ethernet  2nd 
LANs:FDDI
    FDDI 
LANs:FDDI:dual homing
    FDDI:dual homing
        dual homing 
LANs:FDDI:primary rings
    FDDI:primary rings
        primary rings 
LANs:FDDI:secondary rings
    FDDI:secondary rings
        secondary rings 
LANs:hardware:bridges
    bridges
        devices:bridges  2nd 
    bridges:Spanning Tree
        devices:bridges:Spanning Tree;Spanning Tree Protocol;looped topologies:Spanning Tree;IEEE 802.1d  2nd 
LANs:hardware:hubs
    hubs
        devices:hubs  2nd 
LANs:hardware:routers
    routers
        devices:routers 
LANs:hardware:switches
    switches
        devices:switches  2nd 
LANs:hub-and-spoke topology
    hub-and-spoke topology
        topologies (LANs):hub-and-spoke  2nd 
LANs:multicast transmission
    multicast transmission 
LANs:ring topology
    ring topology
        topologies (LANs):ring  2nd 
LANs:Token Ring
    Token Ring
        IEEE 802.5  2nd 
LANs:tree topology
    tree topology
        topologies (LANs):tree 
LANs:unicast transmission
    unicast transmission  2nd 
last mile 
lata 
LATA (Local Access and Transport Area) 
latch loop testing 
Layer-3 switching 
Layer-3 VLANs 
layers 
LDP (Label Distribution Protocol) 
Learning state (STP) 
LEC (Local Exchange Carrier) 
LECs
    dedicated PSTN access 
LECs (Local Exchange Carriers)
    switched PSTN access 
link-state acknowledgement packets (OSPF) 
link-state algorithms 
link-state request packets (OSPF) 
link-state routing protocols
    OSPF  [See OSPF ]
link-state update packets (OSPF) 
Listening state (STP) 
load balancing  2nd 
load sharing  2nd 
Loading state (OSPF) 
local access
    dedicated 
        customer premise configuration  2nd 
        punchdown blocks  2nd 
    switched 
local loop 
local significance 
long distance services:PIC, accessing
    PIC (Presubscribed Interexchange Carrier) code 
long-distance services 
loopback testing  2nd 
LSAs (link-state advertisements)  2nd 
LSP (Label Switched Path) 
LSRs (Label Switch Routers) 
LSRs (label switch routers)
    routers:LSRs
        LERs (label edge routers);routers:LERs 
LTE (Light Terminating Equipment) 
LTE (light termination equipment)