Administrator Guide

Introduction to Dynamic LAGs and LACP..................................................................................................................501
Important Points to Remember..............................................................................................................................501
LACP Modes.............................................................................................................................................................. 502
Configuring LACP Commands............................................................................................................................... 502
LACP Configuration Tasks............................................................................................................................................502
Creating a LAG.......................................................................................................................................................... 503
Configuring the LAG Interfaces as Dynamic...................................................................................................... 503
Setting the LACP Long Timeout........................................................................................................................... 504
Monitoring and Debugging LACP..........................................................................................................................504
Shared LAG State Tracking..........................................................................................................................................504
Configuring Shared LAG State Tracking.............................................................................................................505
Important Points about Shared LAG State Tracking....................................................................................... 506
LACP Basic Configuration Example............................................................................................................................507
Configure a LAG on ALPHA....................................................................................................................................507
Chapter 29: Layer 2................................................................................................................... 515
Manage the MAC Address Table................................................................................................................................. 515
Clearing the MAC Address Table...........................................................................................................................515
Setting the Aging Time for Dynamic Entries.......................................................................................................515
Configuring a Static MAC Address........................................................................................................................516
Displaying the MAC Address Table........................................................................................................................516
MAC Learning Limit.........................................................................................................................................................516
Setting the MAC Learning Limit.............................................................................................................................517
mac learning-limit Dynamic......................................................................................................................................517
mac learning-limit mac-address-sticky................................................................................................................. 517
mac learning-limit station-move.............................................................................................................................517
mac learning-limit no-station-move...................................................................................................................... 518
Learning Limit Violation Actions.............................................................................................................................518
Setting Station Move Violation Actions............................................................................................................... 518
Recovering from Learning Limit and Station Move Violations........................................................................519
Disabling MAC Address Learning on the System...............................................................................................519
Enabling port security...............................................................................................................................................519
NIC Teaming.....................................................................................................................................................................520
Configure Redundant Pairs........................................................................................................................................... 521
Far-End Failure Detection.............................................................................................................................................524
FEFD State Changes................................................................................................................................................524
Configuring FEFD......................................................................................................................................................525
Enabling FEFD on an Interface.............................................................................................................................. 526
Debugging FEFD........................................................................................................................................................527
Chapter 30: Link Layer Discovery Protocol (LLDP).................................................................... 528
802.1AB (LLDP) Overview............................................................................................................................................528
Protocol Data Units.................................................................................................................................................. 528
Optional TLVs.................................................................................................................................................................. 530
Management TLVs....................................................................................................................................................530
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 531
TIA Organizationally Specific TLVs.......................................................................................................................532
Configure LLDP...............................................................................................................................................................535
CONFIGURATION versus INTERFACE Configurations......................................................................................... 536
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