Setup Guide

26 Link Aggregation Control Protocol (LACP).............................................................................................. 532
Introduction to Dynamic LAGs and LACP.................................................................................................................. 532
Important Points to Remember............................................................................................................................. 532
LACP Modes............................................................................................................................................................ 533
Conguring LACP Commands...............................................................................................................................533
LACP Conguration Tasks............................................................................................................................................534
Creating a LAG.........................................................................................................................................................534
Conguring the LAG Interfaces as Dynamic........................................................................................................534
Setting the LACP Long Timeout........................................................................................................................... 535
Monitoring and Debugging LACP..........................................................................................................................535
Shared LAG State Tracking.......................................................................................................................................... 536
Conguring Shared LAG State Tracking...............................................................................................................536
Important Points about Shared LAG State Tracking........................................................................................... 538
LACP Basic Conguration Example............................................................................................................................ 538
Congure a LAG on ALPHA................................................................................................................................... 538
27 Layer 2.....................................................................................................................................................547
Manage the MAC Address Table................................................................................................................................. 547
Clearing the MAC Address Table........................................................................................................................... 547
Setting the Aging Time for Dynamic Entries........................................................................................................547
Conguring a Static MAC Address........................................................................................................................548
Displaying the MAC Address Table........................................................................................................................ 548
MAC Learning Limit.......................................................................................................................................................548
Setting the MAC Learning Limit............................................................................................................................ 549
mac learning-limit Dynamic.................................................................................................................................... 549
mac learning-limit mac-address-sticky................................................................................................................. 549
mac learning-limit station-move............................................................................................................................ 550
mac learning-limit no-station-move...................................................................................................................... 550
Learning Limit Violation Actions.............................................................................................................................550
Setting Station Move Violation Actions.................................................................................................................551
Recovering from Learning Limit and Station Move Violations............................................................................551
Disabling MAC Address Learning on the System................................................................................................ 552
Enabling port security............................................................................................................................................. 552
NIC Teaming................................................................................................................................................................... 552
Congure Redundant Pairs.......................................................................................................................................... 553
Important Points about Conguring Redundant Pairs........................................................................................555
Far-End Failure Detection.............................................................................................................................................556
FEFD State Changes...............................................................................................................................................557
Conguring FEFD.................................................................................................................................................... 558
Enabling FEFD on an Interface.............................................................................................................................. 558
Debugging FEFD......................................................................................................................................................559
28 Link Layer Discovery Protocol (LLDP)......................................................................................................561
802.1AB (LLDP) Overview............................................................................................................................................ 561
Protocol Data Units..................................................................................................................................................561
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Contents