Users Guide

Important Points to Remember.................................................................................................................................... 777
PE Stack Conguration................................................................................................................................................. 778
Conguring a PE Stack........................................................................................................................................... 778
Adding a Unit to an Existing PE Stack.................................................................................................................. 780
Renumbering a Stack Unit......................................................................................................................................780
Prioritizing Stack Units.............................................................................................................................................781
Managing PE Stack Redundancy........................................................................................................................... 781
Removing a Unit from a PE Stack......................................................................................................................... 782
Verifying a PE Stack Master and Standby............................................................................................................783
Displaying PE Stack Information............................................................................................................................ 783
Conguring the Unused PE Uplink Ports as Front-End Ports..................................................................................785
Conguring Uplink Ports as Access Ports.............................................................................................................787
Reverting the Access Port to Uplink Port............................................................................................................ 788
Locating the Port Extender ......................................................................................................................................... 788
Troubleshooting a PE Stack..........................................................................................................................................789
Diagnosing an Error Condition................................................................................................................................789
Using PE Console Commands................................................................................................................................789
Splitting a Daisy-Chained PE Stack.......................................................................................................................789
43 Port Monitoring....................................................................................................................................... 790
Port Monitoring..............................................................................................................................................................790
Important Points to Remember.............................................................................................................................. 791
Examples of Port Monitoring.................................................................................................................................. 791
Conguring Port Monitoring ..................................................................................................................................792
Remote Port Mirroring.................................................................................................................................................. 794
Remote Port Mirroring Example............................................................................................................................ 795
Conguring Remote Port Mirroring.......................................................................................................................795
Displaying a Remote-Port Mirroring Conguration..............................................................................................797
Conguring Remote Port Monitoring.................................................................................................................... 797
Encapsulated Remote-Port Monitoring......................................................................................................................800
Port Monitoring on VLT................................................................................................................................................ 802
VLT Non-fail over Scenario.....................................................................................................................................802
VLT Fail-over Scenario............................................................................................................................................803
RPM over VLT Scenarios........................................................................................................................................803
44 Power over Ethernet (PoE)..................................................................................................................... 805
Conguring PoE or PoE+............................................................................................................................................. 806
Enabling PoE or PoE+ on a Port............................................................................................................................806
Conguration Tasks for PoE or PoE+................................................................................................................... 806
Manage Ports using Power Priority and the Power Budget.................................................................................... 807
Determining the Power Priority for a Port............................................................................................................807
Determining the Aect of a Port on the Power Budget..................................................................................... 807
Managing Power Priorities..................................................................................................................................... 808
Conguring Power Management on the PE — Class and Static Mode.......................................................... 808
Allocate PoE Power to Powered Devices to a Connected PE Interface.......................................................... 809
Setting the Threshold Limit for the PoE Power Budget.............................................................................................811
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