Concept Guide

Far-End Failure Detection.............................................................................................................................................534
FEFD State Changes...............................................................................................................................................535
Conguring FEFD.................................................................................................................................................... 536
Enabling FEFD on an Interface...............................................................................................................................537
Debugging FEFD......................................................................................................................................................538
26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 539
802.1AB (LLDP) Overview............................................................................................................................................539
Protocol Data Units................................................................................................................................................. 539
Optional TLVs.................................................................................................................................................................540
Management TLVs.................................................................................................................................................. 540
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 542
TIA Organizationally Specic TLVs........................................................................................................................ 542
Congure LLDP............................................................................................................................................................. 546
Related Conguration Tasks...................................................................................................................................546
Important Points to Remember............................................................................................................................. 546
LLDP Compatibility.................................................................................................................................................. 547
CONFIGURATION versus INTERFACE Congurations............................................................................................ 547
Enabling LLDP................................................................................................................................................................547
Disabling and Undoing LLDP.................................................................................................................................. 548
Enabling LLDP on Management Ports........................................................................................................................548
Disabling and Undoing LLDP on Management Ports..........................................................................................548
Advertising TLVs............................................................................................................................................................ 548
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................550
Reserved Unrecognized LLDP TLVs..................................................................................................................... 550
Organizational Specic Unrecognized LLDP TLVs..............................................................................................550
Viewing Unrecognized LLDP TLVs........................................................................................................................550
Viewing the LLDP Conguration.................................................................................................................................. 551
Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................551
Examples of Viewing Information Advertised by Neighbors............................................................................... 551
Conguring LLDPDU Intervals.....................................................................................................................................553
Conguring LLDP Notication Interval....................................................................................................................... 554
Conguring Transmit and Receive Mode................................................................................................................... 554
Conguring the Time to Live Value............................................................................................................................. 555
Debugging LLDP............................................................................................................................................................555
Relevant Management Objects....................................................................................................................................557
27 Microsoft Network Load Balancing.......................................................................................................... 562
NLB Unicast Mode Scenario........................................................................................................................................562
NLB Multicast Mode Scenario.....................................................................................................................................562
Limitations of the NLB Feature....................................................................................................................................563
Microsoft Clustering......................................................................................................................................................563
Enable and Disable VLAN Flooding ............................................................................................................................ 563
Conguring a Switch for NLB .....................................................................................................................................563
Enabling a Switch for Multicast NLB.................................................................................................................... 564
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