Administrator Guide

Introduction to Dynamic LAGs and LACP..................................................................................................................502
Important Points to Remember.............................................................................................................................502
LACP Modes............................................................................................................................................................503
Configuring LACP Commands...............................................................................................................................503
LACP Configuration Tasks........................................................................................................................................... 504
Creating a LAG........................................................................................................................................................ 504
Configuring the LAG Interfaces as Dynamic........................................................................................................504
Setting the LACP Long Timeout...........................................................................................................................505
Monitoring and Debugging LACP..........................................................................................................................505
Shared LAG State Tracking......................................................................................................................................... 506
Configuring Shared LAG State Tracking..............................................................................................................506
Important Points about Shared LAG State Tracking..........................................................................................508
LACP Basic Configuration Example............................................................................................................................ 508
Configure a LAG on ALPHA...................................................................................................................................508
29 Layer 2..................................................................................................................................................... 517
Manage the MAC Address Table................................................................................................................................. 517
Clearing the MAC Address Table........................................................................................................................... 517
Setting the Aging Time for Dynamic Entries.........................................................................................................517
Configuring a Static MAC Address........................................................................................................................518
Displaying the MAC Address Table........................................................................................................................518
MAC Learning Limit....................................................................................................................................................... 518
Setting the MAC Learning Limit.............................................................................................................................519
mac learning-limit Dynamic..................................................................................................................................... 519
mac learning-limit mac-address-sticky..................................................................................................................519
mac learning-limit station-move............................................................................................................................ 520
mac learning-limit no-station-move...................................................................................................................... 520
Learning Limit Violation Actions.............................................................................................................................520
Setting Station Move Violation Actions.................................................................................................................521
Recovering from Learning Limit and Station Move Violations........................................................................... 521
Disabling MAC Address Learning on the System................................................................................................522
NIC Teaming...................................................................................................................................................................522
Configure Redundant Pairs.......................................................................................................................................... 523
Important Points about Configuring Redundant Pairs........................................................................................525
Far-End Failure Detection............................................................................................................................................ 526
FEFD State Changes...............................................................................................................................................527
Configuring FEFD.................................................................................................................................................... 528
Enabling FEFD on an Interface.............................................................................................................................. 528
Debugging FEFD......................................................................................................................................................529
30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 531
802.1AB (LLDP) Overview............................................................................................................................................531
Protocol Data Units..................................................................................................................................................531
Optional TLVs.................................................................................................................................................................532
Management TLVs..................................................................................................................................................532
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 534
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