Management and Configuration Guide K/KA/KB.15.15
About using friendly port names.............................................................................................104
Configuring and operating rules for friendly port names........................................................104
About configuring transceivers and modules that have not been inserted......................................105
Transceivers....................................................................................................................105
Modules.........................................................................................................................105
About clearing the module configuration.............................................................................105
Restrictions.................................................................................................................105
Uni-directional link detection (UDLD)........................................................................................106
About Configuring UDLD..................................................................................................107
About Uplink failure detection................................................................................................107
UFD operating notes........................................................................................................108
Viewing UFD configuration................................................................................................109
3 Power Over Ethernet (PoE/PoE+) Operation...............................................110
Introduction to PoE................................................................................................................110
PoE................................................................................................................................110
Disabling or re-enabling PoE port operation.............................................................................110
Enabling support for pre-standard devices................................................................................110
Configuring the PoE port priority.............................................................................................110
Controlling PoE allocation......................................................................................................111
Manually configuring PoE power levels....................................................................................112
Configuring PoE redundancy (chassis switches only)..................................................................113
Changing the threshold for generating a power notice..............................................................113
Enabling or disabling ports for allocating power using LLDP.......................................................113
Enabling PoE detection via LLDP TLV advertisement....................................................................114
Negotiating power using the DLL............................................................................................114
Initiating advertisement of PoE+ TLVs.......................................................................................115
Viewing PoE when using LLDP information................................................................................115
Viewing the global PoE power status of the switch.....................................................................117
Viewing PoE status on all ports...............................................................................................118
Viewing the PoE status on specific ports...................................................................................120
Planning and implementing a PoE configuration........................................................................122
Power requirements..........................................................................................................122
Assigning PoE ports to VLANs...........................................................................................123
Applying security features to PoE configurations...................................................................123
Assigning priority policies to PoE traffic...............................................................................123
About PoE operation.............................................................................................................123
Configuration options.......................................................................................................124
PD support......................................................................................................................124
Power priority operation....................................................................................................125
About assigning PoE priority with two or more modules....................................................125
About configuring PoE operation............................................................................................126
About configuring thresholds for generating a power notice.......................................................127
About PoE/PoE+ allocation using LLDP information....................................................................128
LLDP with PoE..................................................................................................................128
LLDP with PoE+................................................................................................................128
Overview...................................................................................................................128
PoE allocation.............................................................................................................128
Operation Note...............................................................................................................129
4 Port Trunking..........................................................................................130
Viewing and configuring port trunk groups...............................................................................130
Viewing static trunk type and group for all ports or for selected ports......................................130
Viewing static LACP and dynamic LACP trunk data...............................................................131
Configuring a static trunk or static LACP trunk group.............................................................132
Removing ports from a static trunk group.............................................................................132
6 Contents