Users Guide

Change the IS-IS Metric Style in One Level Only.................................................................................................... 361
Leaks from One Level to Another............................................................................................................................. 362
Sample Configurations......................................................................................................................................................363
Chapter 25: Link Aggregation Control Protocol (LACP).................................................................. 366
Introduction to Dynamic LAGs and LACP......................................................................................................................366
Important Points to Remember.................................................................................................................................366
LACP Modes................................................................................................................................................................ 367
Configuring LACP Commands................................................................................................................................... 367
LACP Configuration Tasks............................................................................................................................................... 367
Creating a LAG............................................................................................................................................................ 368
Configuring the LAG Interfaces as Dynamic............................................................................................................368
Setting the LACP Long Timeout............................................................................................................................... 368
Monitoring and Debugging LACP..............................................................................................................................369
Shared LAG State Tracking............................................................................................................................................. 369
Configuring Shared LAG State Tracking.................................................................................................................. 370
Important Points about Shared LAG State Tracking...............................................................................................371
LACP Basic Configuration Example................................................................................................................................ 372
Configure a LAG on ALPHA....................................................................................................................................... 372
Chapter 26: Layer 2.....................................................................................................................380
Manage the MAC Address Table.................................................................................................................................... 380
Clearing the MAC Address Table.............................................................................................................................. 380
Setting the Aging Time for Dynamic Entries........................................................................................................... 380
Configuring a Static MAC Address............................................................................................................................381
Displaying the MAC Address Table............................................................................................................................381
MAC Learning Limit........................................................................................................................................................... 381
Setting the MAC Learning Limit................................................................................................................................382
mac learning-limit Dynamic........................................................................................................................................ 382
mac learning-limit mac-address-sticky..................................................................................................................... 382
mac learning-limit station-move................................................................................................................................ 382
mac learning-limit no-station-move.......................................................................................................................... 382
Learning Limit Violation Actions.................................................................................................................................383
Setting Station Move Violation Actions....................................................................................................................383
Recovering from Learning Limit and Station Move Violations.............................................................................. 384
NIC Teaming...................................................................................................................................................................... 384
Configure Redundant Pairs..............................................................................................................................................385
Far-End Failure Detection................................................................................................................................................ 388
FEFD State Changes.................................................................................................................................................. 388
Configuring FEFD........................................................................................................................................................ 389
Enabling FEFD on an Interface.................................................................................................................................. 390
Debugging FEFD..........................................................................................................................................................390
Chapter 27: Link Layer Discovery Protocol (LLDP)......................................................................... 392
802.1AB (LLDP) Overview...............................................................................................................................................392
Protocol Data Units.....................................................................................................................................................392
Optional TLVs.................................................................................................................................................................... 393
Management TLVs......................................................................................................................................................393
TIA-1057 (LLDP-MED) Overview...................................................................................................................................395
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Contents