Administrator Guide

Introduction to Dynamic LAGs and LACP...................................................................................................................... 474
Important Points to Remember................................................................................................................................. 474
LACP Modes................................................................................................................................................................ 474
Configuring LACP Commands...................................................................................................................................475
LACP Configuration Tasks............................................................................................................................................... 475
Creating a LAG.............................................................................................................................................................475
Configuring the LAG Interfaces as Dynamic............................................................................................................476
Setting the LACP Long Timeout............................................................................................................................... 476
Monitoring and Debugging LACP.............................................................................................................................. 477
Shared LAG State Tracking..............................................................................................................................................477
Configuring Shared LAG State Tracking.................................................................................................................. 478
Important Points about Shared LAG State Tracking.............................................................................................. 479
LACP Basic Configuration Example................................................................................................................................ 479
Configure a LAG on ALPHA....................................................................................................................................... 479
29 Layer 2...................................................................................................................................487
Manage the MAC Address Table.................................................................................................................................... 487
Clearing the MAC Address Table.............................................................................................................................. 487
Setting the Aging Time for Dynamic Entries............................................................................................................487
Configuring a Static MAC Address........................................................................................................................... 487
Displaying the MAC Address Table........................................................................................................................... 488
MAC Learning Limit.......................................................................................................................................................... 488
Setting the MAC Learning Limit................................................................................................................................488
mac learning-limit Dynamic........................................................................................................................................ 489
mac learning-limit mac-address-sticky.....................................................................................................................489
mac learning-limit station-move................................................................................................................................ 489
mac learning-limit no-station-move.......................................................................................................................... 489
Learning Limit Violation Actions................................................................................................................................ 490
Setting Station Move Violation Actions....................................................................................................................490
Recovering from Learning Limit and Station Move Violations.............................................................................. 490
Disabling MAC Address Learning on the System.....................................................................................................491
Enabling port security..................................................................................................................................................491
NIC Teaming.......................................................................................................................................................................491
Configure Redundant Pairs..............................................................................................................................................492
Far-End Failure Detection................................................................................................................................................ 495
FEFD State Changes.................................................................................................................................................. 495
Configuring FEFD........................................................................................................................................................496
Enabling FEFD on an Interface.................................................................................................................................. 497
Debugging FEFD..........................................................................................................................................................497
30 Link Layer Discovery Protocol (LLDP)...................................................................................... 499
802.1AB (LLDP) Overview...............................................................................................................................................499
Protocol Data Units.....................................................................................................................................................499
Optional TLVs....................................................................................................................................................................500
Management TLVs......................................................................................................................................................500
TIA-1057 (LLDP-MED) Overview....................................................................................................................................501
TIA Organizationally Specific TLVs........................................................................................................................... 502
Configure LLDP.................................................................................................................................................................505
CONFIGURATION versus INTERFACE Configurations...............................................................................................505
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