Deployment Guide

Table Of Contents
Leaks from One Level to Another.........................................................................................................................460
Sample Configurations................................................................................................................................................... 461
Chapter 24: Link Aggregation Control Protocol (LACP)............................................................. 464
Introduction to Dynamic LAGs and LACP.................................................................................................................464
Important Points to Remember............................................................................................................................. 464
LACP Modes.............................................................................................................................................................. 465
Configuring LACP Commands............................................................................................................................... 465
LACP Configuration Tasks............................................................................................................................................465
Creating a LAG.......................................................................................................................................................... 466
Configuring the LAG Interfaces as Dynamic...................................................................................................... 466
Setting the LACP Long Timeout........................................................................................................................... 466
Monitoring and Debugging LACP.......................................................................................................................... 467
Shared LAG State Tracking..........................................................................................................................................467
Configuring Shared LAG State Tracking............................................................................................................. 468
Important Points about Shared LAG State Tracking........................................................................................469
LACP Basic Configuration Example............................................................................................................................470
Configure a LAG on ALPHA....................................................................................................................................470
Chapter 25: Layer 2................................................................................................................... 478
Manage the MAC Address Table.................................................................................................................................478
Clearing the MAC Address Table.......................................................................................................................... 478
Setting the Aging Time for Dynamic Entries...................................................................................................... 478
Configuring a Static MAC Address....................................................................................................................... 479
Displaying the MAC Address Table....................................................................................................................... 479
MAC Learning Limit........................................................................................................................................................ 479
Setting the MAC Learning Limit............................................................................................................................480
mac learning-limit Dynamic.....................................................................................................................................480
mac learning-limit mac-address-sticky................................................................................................................ 480
mac learning-limit station-move............................................................................................................................ 480
mac learning-limit no-station-move...................................................................................................................... 481
Learning Limit Violation Actions............................................................................................................................. 481
Setting Station Move Violation Actions............................................................................................................... 481
Recovering from Learning Limit and Station Move Violations.......................................................................482
Disabling MAC Address Learning on the System.............................................................................................. 482
Enabling port security.............................................................................................................................................. 482
NIC Teaming.....................................................................................................................................................................483
Configure Redundant Pairs...........................................................................................................................................484
Far-End Failure Detection............................................................................................................................................. 487
FEFD State Changes................................................................................................................................................488
Configuring FEFD......................................................................................................................................................488
Enabling FEFD on an Interface.............................................................................................................................. 489
Debugging FEFD........................................................................................................................................................490
Chapter 26: Link Layer Discovery Protocol (LLDP).....................................................................491
802.1AB (LLDP) Overview............................................................................................................................................ 491
Protocol Data Units...................................................................................................................................................491
Optional TLVs.................................................................................................................................................................. 493
Management TLVs....................................................................................................................................................493
Contents
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