Index_L

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L

L-LSP method, 203-204

L2Pv3 protocol described, 147-148

L3-FEC, with policy, 173

L3 VPN, establishing, 172-179

label distribution

control of, 28

described, 27

exercise, 45-46

methods, 36

triggering, 30

Label Distribution Protocol. See LDP

label edge routers. See LERs

label information base. See LIB

label numbers, 12

label swapping, 10

label switch paths. See LSPs

label switch routers. See LSRs

label switching, 26-27

latency

measurements, 190-192

mediation for, 192-195

Layer-2 Tunnel Protocol, version 3 (L2TPv3), 147-148

Layer-2 VPNs, 154-155, 160-161

Layer-3 MPLS VPN, 154-155

Layer-3 VPNs vs. Layer-2, 171

LDP (Label Distribution Protocol)

described, 35

establishing protocol on Riverstone router, 36-45

plans to extend, 134

session information, 42

statistical information, 44

LERs (label edge routers)

described, 3

and granularity (exercise), 6-7

traffic-labeling process, 9

LIB (label information base), 10

link failure, 84-85

link management, 135

link protection, 88-89

link state typology, 134

link status, distribution, 133-134

links, thrashing, 90

LMP and MPLS, 136

loose hop, 63

LSPs (label switch paths)

described, 4

protecting with detour, 99-100

show commands, 61-62

show paths, 95-99

LSRs (label switch routers)

data flow on, 31-32

function described, 4-5

Lucent, 126

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