Administrator Guide

Table Of Contents
Configuring Shared LAG State Tracking..................................................................................................................464
Important Points about Shared LAG State Tracking..............................................................................................465
LACP Basic Configuration Example................................................................................................................................465
Configure a LAG on ALPHA.......................................................................................................................................465
27 Layer 2................................................................................................................................... 473
Manage the MAC Address Table.................................................................................................................................... 473
Clearing the MAC Address Table...............................................................................................................................473
Setting the Aging Time for Dynamic Entries............................................................................................................473
Configuring a Static MAC Address........................................................................................................................... 473
Displaying the MAC Address Table........................................................................................................................... 474
MAC Learning Limit...........................................................................................................................................................474
Setting the MAC Learning Limit................................................................................................................................ 474
mac learning-limit Dynamic.........................................................................................................................................475
mac learning-limit mac-address-sticky..................................................................................................................... 475
mac learning-limit station-move................................................................................................................................ 475
mac learning-limit no-station-move.......................................................................................................................... 475
Learning Limit Violation Actions.................................................................................................................................476
Setting Station Move Violation Actions....................................................................................................................476
Recovering from Learning Limit and Station Move Violations...............................................................................476
Disabling MAC Address Learning on the System.................................................................................................... 477
Enabling port security..................................................................................................................................................477
NIC Teaming.......................................................................................................................................................................477
Configure Redundant Pairs.............................................................................................................................................. 478
Far-End Failure Detection.................................................................................................................................................481
FEFD State Changes................................................................................................................................................... 481
Configuring FEFD........................................................................................................................................................ 482
Enabling FEFD on an Interface.................................................................................................................................. 483
Debugging FEFD..........................................................................................................................................................483
28 Link Layer Discovery Protocol (LLDP)...................................................................................... 485
802.1AB (LLDP) Overview...............................................................................................................................................485
Protocol Data Units.....................................................................................................................................................485
Optional TLVs.................................................................................................................................................................... 486
Management TLVs......................................................................................................................................................486
TIA-1057 (LLDP-MED) Overview................................................................................................................................... 487
TIA Organizationally Specific TLVs........................................................................................................................... 488
Configure LLDP..................................................................................................................................................................491
CONFIGURATION versus INTERFACE Configurations................................................................................................491
Enabling LLDP....................................................................................................................................................................492
Disabling and Undoing LLDP......................................................................................................................................492
Enabling LLDP on Management Ports........................................................................................................................... 492
Disabling and Undoing LLDP on Management Ports..............................................................................................493
Advertising TLVs............................................................................................................................................................... 493
Storing and Viewing Unrecognized LLDP TLVs............................................................................................................494
Viewing the LLDP Configuration.....................................................................................................................................495
Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................495
Examples of Viewing Information Advertised by Neighbors..................................................................................495
Configuring LLDPDU Intervals.........................................................................................................................................498
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