Users Guide

Setting the Aging Time for Dynamic Entries........................................................................................................434
Conguring a Static MAC Address........................................................................................................................435
Displaying the MAC Address Table........................................................................................................................ 435
MAC Learning Limit.......................................................................................................................................................435
Setting the MAC Learning Limit............................................................................................................................ 436
mac learning-limit Dynamic.....................................................................................................................................436
mac learning-limit mac-address-sticky................................................................................................................. 436
mac learning-limit station-move.............................................................................................................................437
mac learning-limit no-station-move.......................................................................................................................437
Learning Limit Violation Actions............................................................................................................................. 437
Setting Station Move Violation Actions................................................................................................................ 438
Recovering from Learning Limit and Station Move Violations........................................................................... 438
Disabling MAC Address Learning on the System.................................................................................................439
NIC Teaming................................................................................................................................................................... 439
Congure Redundant Pairs...........................................................................................................................................440
Important Points about Conguring Redundant Pairs........................................................................................ 442
Far-End Failure Detection............................................................................................................................................. 443
FEFD State Changes...............................................................................................................................................444
Conguring FEFD.................................................................................................................................................... 445
Enabling FEFD on an Interface...............................................................................................................................445
Debugging FEFD......................................................................................................................................................446
26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 448
802.1AB (LLDP) Overview............................................................................................................................................448
Protocol Data Units................................................................................................................................................. 448
Optional TLVs................................................................................................................................................................. 449
Management TLVs.................................................................................................................................................. 449
TIA-1057 (LLDP-MED) Overview................................................................................................................................. 451
TIA Organizationally Specic TLVs......................................................................................................................... 451
Congure LLDP............................................................................................................................................................. 455
Related Conguration Tasks...................................................................................................................................455
Important Points to Remember............................................................................................................................. 455
LLDP Compatibility..................................................................................................................................................456
CONFIGURATION versus INTERFACE Congurations............................................................................................ 456
Enabling LLDP................................................................................................................................................................456
Disabling and Undoing LLDP.................................................................................................................................. 457
Enabling LLDP on Management Ports........................................................................................................................ 457
Disabling and Undoing LLDP on Management Ports.......................................................................................... 457
Advertising TLVs............................................................................................................................................................ 457
Viewing the LLDP Conguration................................................................................................................................. 459
Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 459
Conguring LLDPDU Intervals.....................................................................................................................................460
Conguring Transmit and Receive Mode.................................................................................................................... 461
Conguring the Time to Live Value.............................................................................................................................. 461
Debugging LLDP............................................................................................................................................................462
Relevant Management Objects................................................................................................................................... 463
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Contents