Users Guide

Stack Management Roles.............................................................................................................................................754
Stack Master Election...................................................................................................................................................755
Important Points to Remember................................................................................................................................... 755
PE Stack Conguration.................................................................................................................................................756
Conguring a PE Stack........................................................................................................................................... 756
Adding a Unit to an Existing PE Stack.................................................................................................................. 758
Renumbering a Stack Unit......................................................................................................................................758
Prioritizing Stack Units............................................................................................................................................759
Managing PE Stack Redundancy.......................................................................................................................... 759
Removing a Unit from a PE Stack.........................................................................................................................760
Verifying a PE Stack Master and Standby............................................................................................................ 761
Displaying PE Stack Information............................................................................................................................. 761
Locating the Port Extender ......................................................................................................................................... 763
Troubleshooting a PE Stack..........................................................................................................................................764
Diagnosing an Error Condition................................................................................................................................764
Using PE Console Commands................................................................................................................................764
Splitting a Daisy-Chained PE Stack.......................................................................................................................764
42 Port Monitoring....................................................................................................................................... 765
Port Monitoring..............................................................................................................................................................765
Important Points to Remember..............................................................................................................................766
Examples of Port Monitoring..................................................................................................................................766
Conguring Port Monitoring ..................................................................................................................................767
Remote Port Mirroring.................................................................................................................................................. 769
Remote Port Mirroring Example.............................................................................................................................770
Conguring Remote Port Mirroring....................................................................................................................... 770
Displaying a Remote-Port Mirroring Conguration..............................................................................................772
Conguring Remote Port Monitoring.................................................................................................................... 772
Encapsulated Remote-Port Monitoring...................................................................................................................... 775
Port Monitoring on VLT................................................................................................................................................. 777
VLT Non-fail over Scenario..................................................................................................................................... 777
VLT Fail-over Scenario.............................................................................................................................................778
RPM over VLT Scenarios........................................................................................................................................ 778
43 Power over Ethernet (PoE)..................................................................................................................... 780
Conguring PoE or PoE+...............................................................................................................................................781
Enabling PoE or PoE+ on a Port.............................................................................................................................781
Conguration Tasks for PoE or PoE+.....................................................................................................................781
Manage Ports using Power Priority and the Power Budget.....................................................................................782
Determining the Power Priority for a Port............................................................................................................782
Determining the Aect of a Port on the Power Budget..................................................................................... 782
Managing Power Priorities......................................................................................................................................783
Conguring Power Management on the PE — Class and Static Mode...........................................................783
Allocate PoE Power to Powered Devices to a Connected PE Interface...........................................................784
Setting the Threshold Limit for the PoE Power Budget........................................................................................... 786
Advertising the Extended Power through MDI.......................................................................................................... 787
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