Index L

L

Label Distribution Protocol (LDP), 582

Label-Switched Paths (LSPs), 382, 383

backup, 585

full, calculating, 584

partial, calculating, 585

Label switching, 560, 562

examples, 562

semantics, 562

uses, 560

Label Switch Router (LSR), 582, 584

Land attack, 315

LAN QoS features, 587–95

100BaseVG/IEEE 802.12, 594–95

Ethernet/IEEE 802.3, 591

FDDI, 594

IEEE 802

service model, 587–91

Token Ring/IEEE 802.5, 591–93

LANs

failures, 425

FDDI, 425

multicast deployment on, 247–49

resilient, 424–30

switches, 42, 54

Token Ring, 425

Large-scale configuration management, 670

Latency, 522

monitoring, 570

round-trip, 566

Layer 2 Forwarding (L2F), 353

Layer 2 Tunneling Protocol (L2TP), 353

Leaf network, 267

Least cost routing, 573

Legal addresses. See IP addresses (official)

Legal security issues, 319

Lempel-Ziv (LZ) compression, 483

Lightweight Directory Access Protocol (LDAP), 59, 125, 126–31

aliases, 130

clients, 126

commercial packages, 131

Data Interchange Format (LDIF), 126

as de facto standard, 127

defined, 126

directory information tree hierarchy, 128

implementations and APIs, 130–31

information model, 128

interaction phases, 126–27

LDAPv2, 127

LDAPv3, 127

naming model, 128–30

referrals, 130

replication, 128

security, 130

servers, 126

standalone, 127

URL, 129

Lightweight Presentation Protocol (LPP), 664

Limited broadcast, 64

Line drivers, 40

Link failure detection, 424

Link Layer Service Access Points (LSAPs), 20

Link Quality Monitoring (LQM), 424

Link-State Advertisements (LSAs), 190, 200

Link-state routing algorithms, 162–65

convergence, 172

defined, 162

distance vector routing vs., 162–65

drawbacks, 163

network hierarchy support, 164

OSPF as, 193

scalability, 263

See also Routing protocols

LLC sublayer, 29

Load balancers

DNS, 507–8

intelligent, 513

IP, 513

nonintelligent, 513

Load Share Network Address Translation (LSNAT), 511–12

Load sharing, 474, 503–12

ARP, 510

distributed algorithms, 505–6

DNS, 507–9

FTP, 509–10

HTTP, 509

intrusive algorithms, 506–7

local algorithms, 504–5

NAT, 511–12

proxies, 454

VRRP with, 514–15

Local load-sharing algorithms, 504–5

Local proxy server algorithms, 503, 504

Logic bombs, 346–47

Loopback address, 77

Loss, quantifying, 402