Cisco Catalyst 4500 Series Administration Guide

CHAPTER
14-1
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL_28731-01
14
Configuring Power over Ethernet
Note Before reading this chapter, read the “Preparing for Installation” section of the
Catalyst 4500 Series Installation Guide. You must ensure that your installation site has enough power
and cooling to accommodate the additional electrical load and heat introduced by PoE.
This chapter describes how to configure Power over Ethernet (PoE) on the Catalyst 4500 series switch.
This chapter contains the following sections:
• About Power over Ethernet, page 14-1
• Power Management Modes, page 14-2
• Configuring Power Consumption for Powered Devices on an Interface, page 14-5
• Displaying the Operational Status for an Interface, page 14-6
• Displaying all PoE Detection and Removal Events, page 14-7
• Displaying the PoE Consumed by a Module, page 14-8
• PoE Policing and Monitoring, page 14-12
• Enhanced Power PoE Support on the E-Series Chassis, page 14-15
Note For complete syntax and usage information for the switch commands used in this chapter, see the Cisco
Catalyst 4500 Series Switch Command Reference and related publications at this location:
http://www.cisco.com/en/US/products/hw/switches/ps4324/index.html
If a command is not in the Catalyst 4500 Series Switch Command Reference, you can locate it in the
Cisco IOS library. See the Cisco IOS Command Reference and related publications at this location:
http://www.cisco.com/en/US/products/ps6350/index.html
About Power over Ethernet
The Catalyst 4500 series switch provides Power over Ethernet (PoE) support for both Cisco Prestandard
PoE and the IEEE 802.3af standard (ratified in 2003). PoE is supported by all Catalyst 4500 series
chassis and requires a PoE module and power supply. The amount of PoE power available depends on

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E