Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] L1 LSPs, TLVs L1 routers L1/L2 routers L2 LSPs, TLVs L2 routers LAN Hellos layered network architecture, IS-IS Level 3 Routing linear sequence number space link costs Link LSAs 2nd Link State Acknowledgment packets (OSPF) link state refresh process Link State Request packets (OSPF) Link State Update packets (OSPF) link-local unicast addresses link-state advertisements [See LSAs] link-state database 2nd 3rd 4th 5th IS-IS displaying troubleshooting 2nd LSA group pacing link-state routing protocols 2nd areas Dijkstra's algorithm router adaptation flooding sequence numbers IS-IS. [See IS-IS] LSAs aging process neighbor discovery OSPF. [See OSPF] route filtering links, OSPF LIRs (Local Internet Registries) load (IGRP) load balancing 2nd unequal-cost, EIGRP configuration load sharing CEF configuring maximum paths, EIGRP configuration per destination 2nd per packet enabling process switching Loading state (OSPF neighbors) local computations local unicast addresses lollipop-shaped sequence number space lookups classless recursive loopback interfaces 2nd LSAs (link-state advertisements) 2nd 3rd 4th acknowledgments during flooding process aging process ASBR Summary LSAs Autonomous System External LSAs External Attributes LSAs filtering, OSPF configuration flooding 2nd 3rd checksum sequence numbers 2nd Group Membership LSAs group pacing header format Network LSAs 2nd Network Summary LSAs 2nd NSSA External LSAs 2nd Opaque LSAs Options field OSPFv3 format Inter-Area AS-External LSAs Inter-Area Prefix LSAs Inter-Area Router LSAs Intra-Area Prefix LSAs Link LSAs Network LSAs Router LSAs Router LSAs 2nd sequence numbers types of LSP Entries TLV lsp-gen-interval command LSPs ATT controlling flooding delays |