Link Access Procedure D Channel (LAPD), 895
LAPF (Link Access Procedure Frame), 895
Link Control Protocol (LCP)
overview of, 900–901
PPP authentication and, 903–904
PPP components, 898
link-local addresses, 853
link state advertisements. See LSAs (link state advertisements)
link state protocols
advantages of, 469–471
advertising updates, 469
convergence and, 473
disadvantages of, 471
EIGRP characteristics, 732
IS-IS. See IS-IS (Intermediate System-Intermediate System)
OSPF. See OSPF (Open Shortest Path First)
overview of, 468
routing loops and, 480
link state requests (LSRs), 699
link state updates (LSUs), 699
LLC (Logical Link Control), ...
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