Users Guide

29 Layer 2.......................................................................................................................481
Manage the MAC Address Table..................................................................................................................................... 481
Clearing the MAC Address Table...............................................................................................................................481
Setting the Aging Time for Dynamic Entries..............................................................................................................481
Conguring a Static MAC Address............................................................................................................................481
Displaying the MAC Address Table........................................................................................................................... 482
MAC Learning Limit........................................................................................................................................................482
Setting the MAC Learning Limit............................................................................................................................... 483
mac learning-limit Dynamic...................................................................................................................................... 483
mac learning-limit mac-address-sticky..................................................................................................................... 483
mac learning-limit station-move............................................................................................................................... 483
mac learning-limit no-station-move..........................................................................................................................484
Learning Limit Violation Actions................................................................................................................................484
Setting Station Move Violation Actions.................................................................................................................... 484
Recovering from Learning Limit and Station Move Violations...................................................................................485
NIC Teaming.................................................................................................................................................................. 485
Congure Redundant Pairs............................................................................................................................................ 486
Important Points about Conguring Redundant Pairs...............................................................................................488
Far-End Failure Detection...............................................................................................................................................489
FEFD State Changes................................................................................................................................................490
Conguring FEFD.....................................................................................................................................................490
Enabling FEFD on an Interface..................................................................................................................................491
Debugging FEFD......................................................................................................................................................492
30 Link Layer Discovery Protocol (LLDP).......................................................................494
802.1AB (LLDP) Overview............................................................................................................................................. 494
Protocol Data Units..................................................................................................................................................494
Optional TLVs.................................................................................................................................................................495
Management TLVs...................................................................................................................................................495
TIA-1057 (LLDP-MED) Overview....................................................................................................................................497
TIA Organizationally Specic TLVs............................................................................................................................497
Congure LLDP.............................................................................................................................................................. 501
Related Conguration Tasks......................................................................................................................................501
Important Points to Remember.................................................................................................................................501
LLDP Compatibility................................................................................................................................................... 501
CONFIGURATION versus INTERFACE Congurations................................................................................................... 501
Enabling LLDP................................................................................................................................................................502
Disabling and Undoing LLDP.................................................................................................................................... 502
Enabling LLDP on Management Ports........................................................................................................................... 502
Disabling and Undoing LLDP on Management Ports................................................................................................ 503
Advertising TLVs............................................................................................................................................................ 503
Viewing the LLDP Conguration.................................................................................................................................... 504
Viewing Information Advertised by Adjacent LLDP Agents............................................................................................ 505
Conguring LLDPDU Intervals....................................................................................................................................... 506
Conguring Transmit and Receive Mode........................................................................................................................506
18