Administrator Guide

Table Of Contents
Configure a LAG on ALPHA....................................................................................................................................478
Chapter 27: Layer 2................................................................................................................... 486
Manage the MAC Address Table................................................................................................................................ 486
Clearing the MAC Address Table.......................................................................................................................... 486
Setting the Aging Time for Dynamic Entries...................................................................................................... 486
Configuring a Static MAC Address....................................................................................................................... 487
Displaying the MAC Address Table....................................................................................................................... 487
MAC Learning Limit........................................................................................................................................................ 487
Setting the MAC Learning Limit............................................................................................................................ 488
mac learning-limit Dynamic..................................................................................................................................... 488
mac learning-limit mac-address-sticky................................................................................................................ 488
mac learning-limit station-move............................................................................................................................ 488
mac learning-limit no-station-move......................................................................................................................489
Learning Limit Violation Actions............................................................................................................................ 489
Setting Station Move Violation Actions...............................................................................................................489
Recovering from Learning Limit and Station Move Violations.......................................................................490
Disabling MAC Address Learning on the System....................................................................................................490
Enabling port security.................................................................................................................................................... 490
NIC Teaming..................................................................................................................................................................... 491
Configure Redundant Pairs...........................................................................................................................................492
Far-End Failure Detection.............................................................................................................................................495
FEFD State Changes................................................................................................................................................495
Configuring FEFD......................................................................................................................................................496
Enabling FEFD on an Interface.............................................................................................................................. 497
Debugging FEFD........................................................................................................................................................498
Chapter 28: Link Layer Discovery Protocol (LLDP).................................................................... 499
802.1AB (LLDP) Overview............................................................................................................................................499
Protocol Data Units.................................................................................................................................................. 499
Optional TLVs................................................................................................................................................................... 501
Management TLVs.................................................................................................................................................... 501
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 502
TIA Organizationally Specific TLVs.......................................................................................................................502
Configure LLDP...............................................................................................................................................................505
CONFIGURATION versus INTERFACE Configurations......................................................................................... 506
Enabling LLDP..................................................................................................................................................................507
Disabling and Undoing LLDP.................................................................................................................................. 507
Enabling LLDP on Management Ports....................................................................................................................... 507
Disabling and Undoing LLDP on Management Ports........................................................................................507
Advertising TLVs.............................................................................................................................................................508
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 509
Viewing the LLDP Configuration.................................................................................................................................509
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................ 510
Examples of Viewing Information Advertised by Neighbors........................................................................... 510
Configuring LLDPDU Intervals......................................................................................................................................513
Configuring LLDP Notification Interval...................................................................................................................... 513
Configuring Transmit and Receive Mode...................................................................................................................514
Configuring the Time to Live Value.............................................................................................................................515
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Contents