Users Guide

Table Of Contents
Setting the MAC Learning Limit............................................................................................................................. 512
mac learning-limit Dynamic..................................................................................................................................... 512
mac learning-limit mac-address-sticky.................................................................................................................. 512
mac learning-limit station-move............................................................................................................................. 513
mac learning-limit no-station-move....................................................................................................................... 513
Learning Limit Violation Actions..............................................................................................................................513
Setting Station Move Violation Actions................................................................................................................. 514
Recovering from Learning Limit and Station Move Violations............................................................................514
Disabling MAC Address Learning on the System................................................................................................. 515
NIC Teaming....................................................................................................................................................................515
Congure Redundant Pairs........................................................................................................................................... 516
Important Points about Conguring Redundant Pairs.........................................................................................518
Far-End Failure Detection..............................................................................................................................................519
FEFD State Changes...............................................................................................................................................520
Conguring FEFD.....................................................................................................................................................521
Enabling FEFD on an Interface............................................................................................................................... 521
Debugging FEFD......................................................................................................................................................522
26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 524
802.1AB (LLDP) Overview............................................................................................................................................524
Protocol Data Units................................................................................................................................................. 524
Optional TLVs.................................................................................................................................................................525
Management TLVs.................................................................................................................................................. 525
TIA-1057 (LLDP-MED) Overview.................................................................................................................................527
TIA Organizationally Specic TLVs........................................................................................................................ 527
Congure LLDP.............................................................................................................................................................. 531
Related Conguration Tasks....................................................................................................................................531
Important Points to Remember.............................................................................................................................. 531
LLDP Compatibility..................................................................................................................................................532
CONFIGURATION versus INTERFACE Congurations............................................................................................ 532
Enabling LLDP................................................................................................................................................................532
Disabling and Undoing LLDP.................................................................................................................................. 533
Enabling LLDP on Management Ports........................................................................................................................533
Disabling and Undoing LLDP on Management Ports.......................................................................................... 533
Advertising TLVs............................................................................................................................................................ 533
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................535
Reserved Unrecognized LLDP TLVs..................................................................................................................... 535
Organizational Specic Unrecognized LLDP TLVs..............................................................................................535
Viewing Unrecognized LLDP TLVs........................................................................................................................535
Viewing the LLDP Conguration................................................................................................................................. 536
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................536
Examples of Viewing Information Advertised by Neighbors.............................................................................. 536
Conguring LLDPDU Intervals.....................................................................................................................................538
Conguring LLDP Notication Interval....................................................................................................................... 539
Conguring Transmit and Receive Mode....................................................................................................................539
Conguring the Time to Live Value............................................................................................................................. 540
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Contents