Users Guide

29 Layer 2...................................................................................................................... 486
Manage the MAC Address Table.................................................................................................................................... 486
Clearing the MAC Address Table.............................................................................................................................. 486
Setting the Aging Time for Dynamic Entries.............................................................................................................486
Conguring a Static MAC Address...........................................................................................................................486
Displaying the MAC Address Table............................................................................................................................487
MAC Learning Limit........................................................................................................................................................487
Setting the MAC Learning Limit............................................................................................................................... 488
mac learning-limit Dynamic...................................................................................................................................... 488
mac learning-limit mac-address-sticky..................................................................................................................... 488
mac learning-limit station-move............................................................................................................................... 488
mac learning-limit no-station-move..........................................................................................................................489
Learning Limit Violation Actions................................................................................................................................489
Setting Station Move Violation Actions.................................................................................................................... 489
Recovering from Learning Limit and Station Move Violations...................................................................................490
NIC Teaming.................................................................................................................................................................. 490
Congure Redundant Pairs............................................................................................................................................. 491
Important Points about Conguring Redundant Pairs...............................................................................................493
Far-End Failure Detection...............................................................................................................................................494
FEFD State Changes................................................................................................................................................495
Conguring FEFD.....................................................................................................................................................495
Enabling FEFD on an Interface.................................................................................................................................496
Debugging FEFD...................................................................................................................................................... 497
30 Link Layer Discovery Protocol (LLDP).......................................................................499
802.1AB (LLDP) Overview............................................................................................................................................. 499
Protocol Data Units..................................................................................................................................................499
Optional TLVs................................................................................................................................................................ 500
Management TLVs...................................................................................................................................................500
TIA-1057 (LLDP-MED) Overview................................................................................................................................... 502
TIA Organizationally Specic TLVs........................................................................................................................... 502
Congure LLDP............................................................................................................................................................. 506
Related Conguration Tasks.....................................................................................................................................506
Important Points to Remember................................................................................................................................506
LLDP Compatibility.................................................................................................................................................. 506
CONFIGURATION versus INTERFACE Congurations...................................................................................................506
Enabling LLDP................................................................................................................................................................507
Disabling and Undoing LLDP.................................................................................................................................... 507
Advertising TLVs............................................................................................................................................................ 507
Viewing the LLDP Conguration.................................................................................................................................... 508
Viewing Information Advertised by Adjacent LLDP Agents............................................................................................ 509
Conguring LLDPDU Intervals........................................................................................................................................ 510
Conguring Transmit and Receive Mode.........................................................................................................................510
Conguring a Time to Live...............................................................................................................................................511
Debugging LLDP.............................................................................................................................................................512
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