Administrator Guide

Congure a LAG on ALPHA...................................................................................................................................560
29 Layer 2.................................................................................................................................................... 568
Manage the MAC Address Table................................................................................................................................. 568
Clearing the MAC Address Table........................................................................................................................... 568
Setting the Aging Time for Dynamic Entries........................................................................................................568
Conguring a Static MAC Address........................................................................................................................569
Displaying the MAC Address Table........................................................................................................................569
MAC Learning Limit.......................................................................................................................................................569
Setting the MAC Learning Limit.............................................................................................................................570
mac learning-limit Dynamic.....................................................................................................................................570
mac learning-limit mac-address-sticky................................................................................................................. 570
mac learning-limit station-move............................................................................................................................. 571
mac learning-limit no-station-move....................................................................................................................... 571
Learning Limit Violation Actions..............................................................................................................................571
Setting Station Move Violation Actions................................................................................................................. 571
Recovering from Learning Limit and Station Move Violations........................................................................... 572
Disabling MAC Address Learning on the System.................................................................................................572
Enabling port security..............................................................................................................................................573
NIC Teaming................................................................................................................................................................... 573
Congure Redundant Pairs...........................................................................................................................................574
Important Points about Conguring Redundant Pairs........................................................................................ 576
Far-End Failure Detection............................................................................................................................................. 577
FEFD State Changes...............................................................................................................................................578
Conguring FEFD.................................................................................................................................................... 579
Enabling FEFD on an Interface...............................................................................................................................579
Debugging FEFD......................................................................................................................................................580
30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 582
802.1AB (LLDP) Overview............................................................................................................................................582
Protocol Data Units................................................................................................................................................. 582
Optional TLVs................................................................................................................................................................. 583
Management TLVs.................................................................................................................................................. 583
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 585
TIA Organizationally Specic TLVs........................................................................................................................585
Congure LLDP............................................................................................................................................................. 589
Related Conguration Tasks...................................................................................................................................589
Important Points to Remember............................................................................................................................. 589
LLDP Compatibility..................................................................................................................................................590
CONFIGURATION versus INTERFACE Congurations............................................................................................590
Enabling LLDP.................................................................................................................................................................591
Disabling and Undoing LLDP...................................................................................................................................591
Enabling LLDP on Management Ports.........................................................................................................................591
Disabling and Undoing LLDP on Management Ports...........................................................................................591
Advertising TLVs............................................................................................................................................................ 592
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................593
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