White Papers

Table Of Contents
Important Points to Remember............................................................................................................................. 498
LACP Modes.............................................................................................................................................................. 499
Configuring LACP Commands............................................................................................................................... 499
LACP Configuration Tasks............................................................................................................................................499
Creating a LAG.......................................................................................................................................................... 500
Configuring the LAG Interfaces as Dynamic...................................................................................................... 500
Setting the LACP Long Timeout........................................................................................................................... 500
Monitoring and Debugging LACP...........................................................................................................................501
Shared LAG State Tracking.......................................................................................................................................... 501
Configuring Shared LAG State Tracking............................................................................................................. 502
Important Points about Shared LAG State Tracking....................................................................................... 503
LACP Basic Configuration Example............................................................................................................................504
Configure a LAG on ALPHA....................................................................................................................................504
Chapter 29: Layer 2................................................................................................................... 512
Manage the MAC Address Table................................................................................................................................. 512
Clearing the MAC Address Table...........................................................................................................................512
Setting the Aging Time for Dynamic Entries.......................................................................................................512
Configuring a Static MAC Address........................................................................................................................513
Displaying the MAC Address Table........................................................................................................................513
MAC Learning Limit.........................................................................................................................................................513
Setting the MAC Learning Limit.............................................................................................................................514
mac learning-limit Dynamic......................................................................................................................................514
mac learning-limit mac-address-sticky.................................................................................................................514
mac learning-limit station-move.............................................................................................................................514
mac learning-limit no-station-move...................................................................................................................... 515
Learning Limit Violation Actions.............................................................................................................................515
Setting Station Move Violation Actions............................................................................................................... 515
Recovering from Learning Limit and Station Move Violations........................................................................516
Disabling MAC Address Learning on the System...............................................................................................516
Enabling port security...............................................................................................................................................516
NIC Teaming......................................................................................................................................................................517
Configure Redundant Pairs........................................................................................................................................... 518
Far-End Failure Detection..............................................................................................................................................521
FEFD State Changes.................................................................................................................................................521
Configuring FEFD......................................................................................................................................................522
Enabling FEFD on an Interface.............................................................................................................................. 523
Debugging FEFD........................................................................................................................................................524
Chapter 30: Link Layer Discovery Protocol (LLDP).................................................................... 525
802.1AB (LLDP) Overview............................................................................................................................................525
Protocol Data Units.................................................................................................................................................. 525
Optional TLVs...................................................................................................................................................................527
Management TLVs....................................................................................................................................................527
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 528
TIA Organizationally Specific TLVs.......................................................................................................................529
Configure LLDP............................................................................................................................................................... 532
CONFIGURATION versus INTERFACE Configurations......................................................................................... 533
Enabling LLDP..................................................................................................................................................................533
16
Contents