Users Guide

24 Link Aggregation Control Protocol (LACP)..............................................................................................463
Introduction to Dynamic LAGs and LACP.................................................................................................................. 463
Important Points to Remember.............................................................................................................................463
LACP Modes............................................................................................................................................................ 464
Configuring LACP Commands...............................................................................................................................464
LACP Configuration Tasks........................................................................................................................................... 465
Creating a LAG........................................................................................................................................................ 465
Configuring the LAG Interfaces as Dynamic........................................................................................................465
Setting the LACP Long Timeout........................................................................................................................... 466
Monitoring and Debugging LACP..........................................................................................................................466
Shared LAG State Tracking..........................................................................................................................................467
Configuring Shared LAG State Tracking.............................................................................................................. 467
Important Points about Shared LAG State Tracking..........................................................................................469
LACP Basic Configuration Example............................................................................................................................ 469
Configure a LAG on ALPHA...................................................................................................................................469
25 Layer 2.....................................................................................................................................................478
Manage the MAC Address Table.................................................................................................................................478
Clearing the MAC Address Table...........................................................................................................................478
Setting the Aging Time for Dynamic Entries........................................................................................................478
Configuring a Static MAC Address........................................................................................................................479
Displaying the MAC Address Table....................................................................................................................... 479
MAC Learning Limit.......................................................................................................................................................479
Setting the MAC Learning Limit............................................................................................................................480
mac learning-limit Dynamic.................................................................................................................................... 480
mac learning-limit mac-address-sticky................................................................................................................. 480
mac learning-limit station-move............................................................................................................................. 481
mac learning-limit no-station-move....................................................................................................................... 481
Learning Limit Violation Actions............................................................................................................................. 481
Setting Station Move Violation Actions................................................................................................................482
Recovering from Learning Limit and Station Move Violations...........................................................................482
Disabling MAC Address Learning on the System................................................................................................ 483
NIC Teaming...................................................................................................................................................................483
Configure Redundant Pairs.......................................................................................................................................... 484
Important Points about Configuring Redundant Pairs........................................................................................486
Far-End Failure Detection.............................................................................................................................................487
FEFD State Changes...............................................................................................................................................488
Configuring FEFD.................................................................................................................................................... 489
Enabling FEFD on an Interface.............................................................................................................................. 489
Debugging FEFD......................................................................................................................................................490
26 Link Layer Discovery Protocol (LLDP).....................................................................................................492
802.1AB (LLDP) Overview........................................................................................................................................... 492
Protocol Data Units.................................................................................................................................................492
Optional TLVs.................................................................................................................................................................493
Contents
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