Concept Guide

Conguring the LAG Interfaces as Dynamic..........................................................................................................511
Setting the LACP Long Timeout............................................................................................................................ 512
Monitoring and Debugging LACP...........................................................................................................................512
Shared LAG State Tracking........................................................................................................................................... 513
Conguring Shared LAG State Tracking................................................................................................................513
Important Points about Shared LAG State Tracking............................................................................................515
LACP Basic Conguration Example............................................................................................................................. 515
Congure a LAG on ALPHA....................................................................................................................................515
28 Layer 2.....................................................................................................................................................524
Manage the MAC Address Table................................................................................................................................. 524
Clearing the MAC Address Table........................................................................................................................... 524
Setting the Aging Time for Dynamic Entries........................................................................................................524
Conguring a Static MAC Address........................................................................................................................525
Displaying the MAC Address Table........................................................................................................................ 525
MAC Learning Limit.......................................................................................................................................................525
Setting the MAC Learning Limit............................................................................................................................ 526
mac learning-limit Dynamic.....................................................................................................................................526
mac learning-limit mac-address-sticky................................................................................................................. 526
mac learning-limit station-move.............................................................................................................................527
mac learning-limit no-station-move.......................................................................................................................527
Learning Limit Violation Actions............................................................................................................................. 527
Setting Station Move Violation Actions................................................................................................................ 528
Recovering from Learning Limit and Station Move Violations........................................................................... 528
Disabling MAC Address Learning on the System.................................................................................................529
Enabling port security............................................................................................................................................. 529
NIC Teaming................................................................................................................................................................... 529
Congure Redundant Pairs.......................................................................................................................................... 530
Important Points about Conguring Redundant Pairs........................................................................................ 532
Far-End Failure Detection.............................................................................................................................................533
FEFD State Changes...............................................................................................................................................534
Conguring FEFD.................................................................................................................................................... 535
Enabling FEFD on an Interface.............................................................................................................................. 535
Debugging FEFD......................................................................................................................................................536
29 Link Layer Discovery Protocol (LLDP)..................................................................................................... 538
802.1AB (LLDP) Overview............................................................................................................................................538
Protocol Data Units................................................................................................................................................. 538
Optional TLVs.................................................................................................................................................................539
Management TLVs.................................................................................................................................................. 539
TIA-1057 (LLDP-MED) Overview................................................................................................................................. 541
TIA Organizationally Specic TLVs.........................................................................................................................541
Congure LLDP............................................................................................................................................................. 545
Related Conguration Tasks...................................................................................................................................545
Important Points to Remember............................................................................................................................. 545
LLDP Compatibility..................................................................................................................................................546
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