Administrator Guide

28 Layer 2...................................................................................................................................476
Manage the MAC Address Table.................................................................................................................................... 476
Clearing the MAC Address Table.............................................................................................................................. 476
Setting the Aging Time for Dynamic Entries............................................................................................................476
Configuring a Static MAC Address........................................................................................................................... 476
Displaying the MAC Address Table............................................................................................................................477
MAC Learning Limit...........................................................................................................................................................477
Setting the MAC Learning Limit................................................................................................................................ 477
mac learning-limit Dynamic.........................................................................................................................................478
mac learning-limit mac-address-sticky..................................................................................................................... 478
mac learning-limit station-move................................................................................................................................ 478
mac learning-limit no-station-move.......................................................................................................................... 478
Learning Limit Violation Actions.................................................................................................................................479
Setting Station Move Violation Actions....................................................................................................................479
Recovering from Learning Limit and Station Move Violations...............................................................................479
Enabling port security................................................................................................................................................. 480
NIC Teaming...................................................................................................................................................................... 480
Configure Redundant Pairs...............................................................................................................................................481
Far-End Failure Detection................................................................................................................................................ 484
FEFD State Changes.................................................................................................................................................. 484
Configuring FEFD........................................................................................................................................................485
Enabling FEFD on an Interface.................................................................................................................................. 486
Debugging FEFD..........................................................................................................................................................486
29 Link Layer Discovery Protocol (LLDP).......................................................................................488
802.1AB (LLDP) Overview...............................................................................................................................................488
Protocol Data Units.....................................................................................................................................................488
Optional TLVs.................................................................................................................................................................... 489
Management TLVs......................................................................................................................................................489
TIA-1057 (LLDP-MED) Overview...................................................................................................................................490
TIA Organizationally Specific TLVs............................................................................................................................ 491
Configure LLDP................................................................................................................................................................. 494
CONFIGURATION versus INTERFACE Configurations............................................................................................... 494
Enabling LLDP................................................................................................................................................................... 495
Disabling and Undoing LLDP......................................................................................................................................495
Enabling LLDP on Management Ports........................................................................................................................... 495
Disabling and Undoing LLDP on Management Ports..............................................................................................496
Advertising TLVs............................................................................................................................................................... 496
Storing and Viewing Unrecognized LLDP TLVs............................................................................................................ 497
Viewing the LLDP Configuration.....................................................................................................................................498
Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................498
Examples of Viewing Information Advertised by Neighbors..................................................................................498
Configuring LLDPDU Intervals......................................................................................................................................... 501
Configuring LLDP Notification Interval........................................................................................................................... 501
Configuring LLDP Notification Interval.......................................................................................................................... 502
Configuring Transmit and Receive Mode.......................................................................................................................502
Configuring the Time to Live Value................................................................................................................................ 503
Debugging LLDP............................................................................................................................................................... 503
16
Contents