Administrator Guide
Important Points to Remember.......................................................................................................................................692
PE Stack Configuration....................................................................................................................................................692
Configuring a PE Stack...............................................................................................................................................692
Adding a Unit to an Existing PE Stack......................................................................................................................694
Renumbering a Stack Unit......................................................................................................................................... 694
Prioritizing Stack Units............................................................................................................................................... 695
Managing PE Stack Redundancy..............................................................................................................................695
Removing a Unit from a PE Stack............................................................................................................................ 696
Verifying a PE Stack Master and Standby...............................................................................................................697
Displaying PE Stack Information................................................................................................................................697
Configuring the Unused PE Uplink Ports as Front-End Ports.................................................................................... 699
Configuring Uplink Ports as Access Ports................................................................................................................ 701
Reverting the Access Port to Uplink Port................................................................................................................702
Locating the Port Extender ............................................................................................................................................ 702
Troubleshooting a PE Stack.............................................................................................................................................702
43 Port Monitoring...................................................................................................................... 704
Port Monitoring................................................................................................................................................................. 704
Important Points to Remember.................................................................................................................................705
Examples of Port Monitoring..................................................................................................................................... 705
Configuring Port Monitoring ..................................................................................................................................... 706
Remote Port Mirroring..................................................................................................................................................... 708
Remote Port Mirroring Example................................................................................................................................708
Configuring Remote Port Mirroring.......................................................................................................................... 709
Displaying a Remote-Port Mirroring Configuration..................................................................................................710
Configuration Example of Remote Port Mirroring.................................................................................................... 711
Encapsulated Remote Port Monitoring............................................................................................................................711
Port Monitoring on VLT.....................................................................................................................................................712
44 Power over Ethernet (PoE)...................................................................................................... 715
Configuring PoE or PoE+..................................................................................................................................................716
Enabling PoE or PoE+ on a Port................................................................................................................................ 716
Configuration Tasks for PoE or PoE+....................................................................................................................... 716
Manage Ports using Power Priority and the Power Budget........................................................................................ 716
Determining the Power Priority for a Port................................................................................................................716
Determining the Affect of a Port on the Power Budget.........................................................................................717
Managing Power Priorities.......................................................................................................................................... 717
Configuring Power Management on the PE — Class and Static Mode...............................................................718
Allocate PoE Power to Powered Devices to a Connected PE Interface.............................................................. 719
Setting the Threshold Limit for the PoE Power Budget...............................................................................................721
Advertising the Extended Power through MDI............................................................................................................. 722
Advertising Extended Power Though dot3–TLVs........................................................................................................ 722
Detecting Legacy Devices and Allocating Power .........................................................................................................723
Deploying Voice Over IP (VoIP)...................................................................................................................................... 723
Creating VLANs for an Office VoIP Deployment.....................................................................................................724
Configuring LLDP-MED for an Office VoIP Deployment....................................................................................... 724
Configuring QoS for an Office VoIP Deployment....................................................................................................725
Classifying VoIP Traffic and Applying QoS Policies.................................................................................................726
Managing PoE on the Port Extender..............................................................................................................................727
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