Users Guide

Change the IS-IS Metric Style in One Level Only...................................................................................... 477
Leaks from One Level to Another.................................................................................................................479
Sample Configurations.........................................................................................................................................480
27 Link Aggregation Control Protocol (LACP)..................................................................................................482
Introduction to Dynamic LAGs and LACP........................................................................................................ 482
Important Points to Remember.................................................................................................................... 482
LACP Modes...................................................................................................................................................... 483
Configuring LACP Commands......................................................................................................................483
LACP Configuration Tasks................................................................................................................................... 484
Creating a LAG..................................................................................................................................................484
Configuring the LAG Interfaces as Dynamic..............................................................................................484
Setting the LACP Long Timeout....................................................................................................................485
Monitoring and Debugging LACP.................................................................................................................485
Shared LAG State Tracking.................................................................................................................................. 486
Configuring Shared LAG State Tracking......................................................................................................486
Important Points about Shared LAG State Tracking................................................................................. 487
LACP Basic Configuration Example................................................................................................................... 488
Configure a LAG on ALPHA........................................................................................................................... 488
28 Layer 2.................................................................................................................................................................497
Manage the MAC Address Table.........................................................................................................................497
Clearing the MAC Address Table.................................................................................................................. 497
Setting the Aging Time for Dynamic Entries.............................................................................................. 497
Configuring a Static MAC Address............................................................................................................... 498
Displaying the MAC Address Table...............................................................................................................498
MAC Learning Limit............................................................................................................................................... 498
Setting the MAC Learning Limit.................................................................................................................... 499
mac learning-limit Dynamic..........................................................................................................................499
mac learning-limit mac-address-sticky......................................................................................................499
mac learning-limit station-move................................................................................................................. 500
mac learning-limit no-station-move...........................................................................................................500
Learning Limit Violation Actions................................................................................................................... 500
Setting Station Move Violation Actions........................................................................................................501
Recovering from Learning Limit and Station Move Violations................................................................501
Disabling MAC Address Learning on the System.......................................................................................502
NIC Teaming........................................................................................................................................................... 502
Configure Redundant Pairs..................................................................................................................................503
Important Points about Configuring Redundant Pairs.............................................................................505
Far-End Failure Detection....................................................................................................................................506
FEFD State Changes.........................................................................................................................................507
Configuring FEFD.............................................................................................................................................508
Enabling FEFD on an Interface......................................................................................................................508
Debugging FEFD...............................................................................................................................................509
29 Link Layer Discovery Protocol (LLDP)........................................................................................................... 511
802.1AB (LLDP) Overview......................................................................................................................................511
Contents
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