Concept Guide

Congure Redundant Pairs...........................................................................................................................................472
Important Points about Conguring Redundant Pairs.........................................................................................474
Far-End Failure Detection............................................................................................................................................. 475
FEFD State Changes...............................................................................................................................................476
Conguring FEFD.....................................................................................................................................................477
Enabling FEFD on an Interface...............................................................................................................................477
Debugging FEFD...................................................................................................................................................... 478
27 Link Layer Discovery Protocol (LLDP)..................................................................................................... 480
802.1AB (LLDP) Overview............................................................................................................................................480
Protocol Data Units................................................................................................................................................. 480
Optional TLVs..................................................................................................................................................................481
Management TLVs................................................................................................................................................... 481
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 483
TIA Organizationally Specic TLVs........................................................................................................................ 483
Congure LLDP..............................................................................................................................................................487
Related Conguration Tasks................................................................................................................................... 487
Important Points to Remember..............................................................................................................................487
LLDP Compatibility..................................................................................................................................................488
CONFIGURATION versus INTERFACE Congurations............................................................................................ 488
Enabling LLDP................................................................................................................................................................488
Disabling and Undoing LLDP.................................................................................................................................. 489
Enabling LLDP on Management Ports........................................................................................................................489
Disabling and Undoing LLDP on Management Ports.......................................................................................... 489
Advertising TLVs............................................................................................................................................................ 489
Storing and Viewing Unrecognized LLDP TLVs..........................................................................................................491
Reserved Unrecognized LLDP TLVs...................................................................................................................... 491
Organizational Specic Unrecognized LLDP TLVs...............................................................................................491
Viewing Unrecognized LLDP TLVs.........................................................................................................................491
Viewing the LLDP Conguration................................................................................................................................. 492
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................492
Examples of Viewing Information Advertised by Neighbors...............................................................................492
Conguring LLDPDU Intervals..................................................................................................................................... 494
Conguring LLDP Notication Interval....................................................................................................................... 495
Conguring Transmit and Receive Mode....................................................................................................................495
Conguring the Time to Live Value............................................................................................................................. 496
Debugging LLDP............................................................................................................................................................496
Relevant Management Objects................................................................................................................................... 498
28 Microsoft Network Load Balancing.......................................................................................................... 503
NLB Unicast Mode Scenario........................................................................................................................................503
NLB Multicast Mode Scenario.....................................................................................................................................503
Limitations of the NLB Feature....................................................................................................................................504
Microsoft Clustering......................................................................................................................................................504
Enable and Disable VLAN Flooding ............................................................................................................................ 504
Conguring a Switch for NLB .....................................................................................................................................504
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