Concept Guide

Congure a LAG on ALPHA................................................................................................................................... 540
28 Layer 2.....................................................................................................................................................549
Manage the MAC Address Table................................................................................................................................. 549
Clearing the MAC Address Table........................................................................................................................... 549
Setting the Aging Time for Dynamic Entries........................................................................................................549
Conguring a Static MAC Address....................................................................................................................... 550
Displaying the MAC Address Table........................................................................................................................550
MAC Learning Limit.......................................................................................................................................................550
Setting the MAC Learning Limit............................................................................................................................. 551
mac learning-limit Dynamic..................................................................................................................................... 551
mac learning-limit mac-address-sticky.................................................................................................................. 551
mac learning-limit station-move............................................................................................................................ 552
mac learning-limit no-station-move...................................................................................................................... 552
Learning Limit Violation Actions.............................................................................................................................552
Setting Station Move Violation Actions................................................................................................................ 553
Recovering from Learning Limit and Station Move Violations...........................................................................553
Enabling port security............................................................................................................................................. 554
NIC Teaming...................................................................................................................................................................554
Congure Redundant Pairs.......................................................................................................................................... 555
Important Points about Conguring Redundant Pairs........................................................................................ 557
Far-End Failure Detection.............................................................................................................................................558
FEFD State Changes...............................................................................................................................................559
Conguring FEFD....................................................................................................................................................560
Enabling FEFD on an Interface.............................................................................................................................. 560
Debugging FEFD...................................................................................................................................................... 561
29 Link Layer Discovery Protocol (LLDP)..................................................................................................... 563
802.1AB (LLDP) Overview............................................................................................................................................563
Protocol Data Units................................................................................................................................................. 563
Optional TLVs.................................................................................................................................................................564
Management TLVs.................................................................................................................................................. 564
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 566
TIA Organizationally Specic TLVs........................................................................................................................566
Congure LLDP..............................................................................................................................................................570
Related Conguration Tasks................................................................................................................................... 570
Important Points to Remember..............................................................................................................................570
LLDP Compatibility...................................................................................................................................................571
CONFIGURATION versus INTERFACE Congurations............................................................................................. 571
Enabling LLDP.................................................................................................................................................................571
Disabling and Undoing LLDP.................................................................................................................................. 572
Enabling LLDP on Management Ports........................................................................................................................ 572
Disabling and Undoing LLDP on Management Ports.......................................................................................... 572
Advertising TLVs............................................................................................................................................................ 572
Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 574
Reserved Unrecognized LLDP TLVs......................................................................................................................574
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Contents