Concept Guide

Far-End Failure Detection.............................................................................................................................................564
FEFD State Changes...............................................................................................................................................565
Conguring FEFD.................................................................................................................................................... 566
Enabling FEFD on an Interface.............................................................................................................................. 566
Debugging FEFD......................................................................................................................................................567
30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 569
802.1AB (LLDP) Overview........................................................................................................................................... 569
Protocol Data Units................................................................................................................................................. 569
Optional TLVs................................................................................................................................................................. 570
Management TLVs...................................................................................................................................................570
TIA-1057 (LLDP-MED) Overview.................................................................................................................................572
TIA Organizationally Specic TLVs........................................................................................................................ 572
Congure LLDP..............................................................................................................................................................576
Related Conguration Tasks................................................................................................................................... 576
Important Points to Remember..............................................................................................................................576
LLDP Compatibility.................................................................................................................................................. 577
CONFIGURATION versus INTERFACE Congurations.............................................................................................577
Enabling LLDP................................................................................................................................................................ 577
Disabling and Undoing LLDP.................................................................................................................................. 578
Enabling LLDP on Management Ports........................................................................................................................ 578
Disabling and Undoing LLDP on Management Ports.......................................................................................... 578
Advertising TLVs............................................................................................................................................................ 578
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................580
Reserved Unrecognized LLDP TLVs..................................................................................................................... 580
Organizational Specic Unrecognized LLDP TLVs..............................................................................................580
Viewing Unrecognized LLDP TLVs........................................................................................................................580
Viewing the LLDP Conguration.................................................................................................................................. 581
Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................581
Examples of Viewing Information Advertised by Neighbors............................................................................... 581
Conguring LLDPDU Intervals.....................................................................................................................................583
Conguring LLDP Notication Interval....................................................................................................................... 584
Conguring LLDP Notication Interval....................................................................................................................... 584
Conguring Transmit and Receive Mode....................................................................................................................584
Conguring the Time to Live Value............................................................................................................................. 585
Debugging LLDP............................................................................................................................................................586
Relevant Management Objects....................................................................................................................................587
31 Microsoft Network Load Balancing...........................................................................................................592
NLB Unicast Mode Scenario........................................................................................................................................592
NLB Multicast Mode Scenario.....................................................................................................................................592
Limitations of the NLB Feature....................................................................................................................................593
Microsoft Clustering......................................................................................................................................................593
Enable and Disable VLAN Flooding ............................................................................................................................ 593
Conguring a Switch for NLB .....................................................................................................................................593
Enabling a Switch for Multicast NLB.................................................................................................................... 594
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