Connectivity Guide

Table Of Contents
LACP Modes...............................................................................................................................................................494
Configuring LACP Commands................................................................................................................................494
LACP Configuration Tasks............................................................................................................................................494
Creating a LAG.......................................................................................................................................................... 495
Configuring the LAG Interfaces as Dynamic...................................................................................................... 495
Setting the LACP Long Timeout........................................................................................................................... 495
Monitoring and Debugging LACP..........................................................................................................................496
Shared LAG State Tracking..........................................................................................................................................496
Configuring Shared LAG State Tracking............................................................................................................. 497
Important Points about Shared LAG State Tracking........................................................................................498
LACP Basic Configuration Example............................................................................................................................499
Configure a LAG on ALPHA....................................................................................................................................499
Chapter 29: Layer 2................................................................................................................... 507
Manage the MAC Address Table................................................................................................................................ 507
Clearing the MAC Address Table.......................................................................................................................... 507
Setting the Aging Time for Dynamic Entries...................................................................................................... 507
Configuring a Static MAC Address.......................................................................................................................508
Displaying the MAC Address Table.......................................................................................................................508
MAC Learning Limit........................................................................................................................................................508
Setting the MAC Learning Limit............................................................................................................................509
mac learning-limit Dynamic.....................................................................................................................................509
mac learning-limit mac-address-sticky................................................................................................................509
mac learning-limit station-move............................................................................................................................509
mac learning-limit no-station-move...................................................................................................................... 510
Learning Limit Violation Actions.............................................................................................................................510
Setting Station Move Violation Actions............................................................................................................... 510
Recovering from Learning Limit and Station Move Violations........................................................................ 511
Disabling MAC Address Learning on the System................................................................................................511
Enabling port security................................................................................................................................................511
NIC Teaming..................................................................................................................................................................... 512
Configure Redundant Pairs........................................................................................................................................... 513
Far-End Failure Detection............................................................................................................................................. 516
FEFD State Changes.................................................................................................................................................516
Configuring FEFD.......................................................................................................................................................517
Enabling FEFD on an Interface...............................................................................................................................518
Debugging FEFD........................................................................................................................................................ 519
Chapter 30: Link Layer Discovery Protocol (LLDP).................................................................... 520
802.1AB (LLDP) Overview............................................................................................................................................520
Protocol Data Units.................................................................................................................................................. 520
Optional TLVs.................................................................................................................................................................. 522
Management TLVs....................................................................................................................................................522
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 523
TIA Organizationally Specific TLVs.......................................................................................................................524
Configure LLDP............................................................................................................................................................... 527
CONFIGURATION versus INTERFACE Configurations......................................................................................... 528
Enabling LLDP..................................................................................................................................................................528
Disabling and Undoing LLDP.................................................................................................................................. 528
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Contents