Reference Guide

Introduction to Dynamic LAGs and LACP.................................................................................................................429
Important Points to Remember............................................................................................................................. 429
LACP Modes...............................................................................................................................................................430
Configuring LACP Commands................................................................................................................................430
LACP Configuration Tasks............................................................................................................................................430
Creating a LAG........................................................................................................................................................... 431
Configuring the LAG Interfaces as Dynamic....................................................................................................... 431
Setting the LACP Long Timeout........................................................................................................................... 432
Monitoring and Debugging LACP.......................................................................................................................... 432
Shared LAG State Tracking..........................................................................................................................................432
Configuring Shared LAG State Tracking............................................................................................................. 433
Important Points about Shared LAG State Tracking........................................................................................434
LACP Basic Configuration Example............................................................................................................................435
Configure a LAG on ALPHA....................................................................................................................................435
Chapter 29: Layer 2................................................................................................................... 443
Manage the MAC Address Table.................................................................................................................................443
Clearing the MAC Address Table.......................................................................................................................... 443
Setting the Aging Time for Dynamic Entries...................................................................................................... 443
Configuring a Static MAC Address....................................................................................................................... 444
Displaying the MAC Address Table.......................................................................................................................444
MAC Learning Limit........................................................................................................................................................ 444
Setting the MAC Learning Limit............................................................................................................................ 444
mac learning-limit Dynamic.....................................................................................................................................445
mac learning-limit mac-address-sticky................................................................................................................ 445
mac learning-limit station-move............................................................................................................................ 445
mac learning-limit no-station-move......................................................................................................................445
Learning Limit Violation Actions............................................................................................................................ 446
Setting Station Move Violation Actions...............................................................................................................446
Recovering from Learning Limit and Station Move Violations....................................................................... 447
NIC Teaming.....................................................................................................................................................................447
Configure Redundant Pairs...........................................................................................................................................448
Far-End Failure Detection..............................................................................................................................................451
FEFD State Changes.................................................................................................................................................451
Configuring FEFD......................................................................................................................................................452
Enabling FEFD on an Interface.............................................................................................................................. 453
Debugging FEFD........................................................................................................................................................454
Chapter 30: Link Layer Discovery Protocol (LLDP).................................................................... 455
802.1AB (LLDP) Overview............................................................................................................................................455
Protocol Data Units.................................................................................................................................................. 455
Optional TLVs.................................................................................................................................................................. 456
Management TLVs....................................................................................................................................................456
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 458
TIA Organizationally Specific TLVs.......................................................................................................................458
Configure LLDP............................................................................................................................................................... 462
CONFIGURATION versus INTERFACE Configurations......................................................................................... 462
Enabling LLDP..................................................................................................................................................................463
Disabling and Undoing LLDP...................................................................................................................................463
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