Users Guide
Adding a Unit to an Existing PE Stack.......................................................................................................... 709
Renumbering a Stack Unit.............................................................................................................................. 710
Prioritizing Stack Units.....................................................................................................................................710
Managing PE Stack Redundancy....................................................................................................................711
Removing a Unit from a PE Stack..................................................................................................................712
Verifying a PE Stack Master and Standby.....................................................................................................712
Displaying PE Stack Information....................................................................................................................713
Locating the Port Extender ..................................................................................................................................715
Troubleshooting a PE Stack..................................................................................................................................715
Diagnosing an Error Condition...................................................................................................................... 715
Using PE Console Commands.......................................................................................................................715
Splitting a Daisy-Chained PE Stack...............................................................................................................716
42 Port Monitoring................................................................................................................................................. 717
Port Monitoring....................................................................................................................................................... 717
Important Points to Remember.....................................................................................................................718
Examples of Port Monitoring..........................................................................................................................718
Configuring Port Monitoring .........................................................................................................................719
Remote Port Mirroring...........................................................................................................................................721
Remote Port Mirroring Example....................................................................................................................722
Configuring Remote Port Mirroring............................................................................................................. 722
Displaying a Remote-Port Mirroring Configuration..................................................................................724
Configuring Remote Port Monitoring..........................................................................................................724
Encapsulated Remote-Port Monitoring............................................................................................................ 727
43 Power over Ethernet (PoE)..............................................................................................................................730
Configuring PoE or PoE+......................................................................................................................................731
Enabling PoE or PoE+ on a Port....................................................................................................................731
Configuration Tasks for PoE or PoE+...........................................................................................................731
Manage Ports using Power Priority and the Power Budget.......................................................................... 732
Determining the Power Priority for a Port.................................................................................................. 732
Determining the Affect of a Port on the Power Budget...........................................................................732
Managing Power Priorities..............................................................................................................................733
Configuring Power Management on the PE — Class and Static Mode................................................ 733
Allocate PoE Power to Powered Devices to a Connected PE Interface.............................................. 734
Setting the Threshold Limit for the PoE Power Budget.................................................................................736
Advertising the Extended Power through MDI.................................................................................................737
Advertising Extended Power Though dot3–TLVs............................................................................................737
Detecting Legacy Devices and Allocating Power .......................................................................................... 738
Deploying Voice Over IP (VoIP)...........................................................................................................................739
Creating VLANs for an Office VoIP Deployment....................................................................................... 739
Configuring LLDP-MED for an Office VoIP Deployment........................................................................ 740
Configuring QoS for an Office VoIP Deployment.....................................................................................740
Classifying VoIP Traffic and Applying QoS Policies...................................................................................741
Managing PoE on the Port Extender..................................................................................................................743
Upgrading the PoE Controller....................................................................................................................... 743
Suspending Power Delivery on the Port Extender....................................................................................744
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