Cisco 500 Series Administration Guide

Port Management
UDLD
Cisco 500 Series Stackable Managed Switch Administration Guide 194
10
STEP 5 Click Apply. The Running Configuration file is updated.
UDLD
See Port Management: Unidirectional Link Detection.
PoE
See Port Management: PoE.
Configuring Green Ethernet
This section describes the Green Ethernet feature that is designed to save power
on the device.
It contains the following sections:
• Green Ethernet Overview
• Global Green Ethernet Properties
• Green Ethernet Properties for Ports
Green Ethernet Overview
Green Ethernet is a common name for a set of features that is designed to be
environmentally friendly, and to reduce the power consumption of a device. Green
Ethernet is different from EEE in that Green Ethernet energy-detect is enabled on
all devices whereas only Gigabyte ports are enable with EEE.
The Green Ethernet feature can reduce overall power usage in the following ways:
• Energy-Detect Mode—(Not available on SG500XG) On an inactive link, the
port moves into inactive mode, saving power while keeping the
Administrative status of the port Up. Recovery from this mode to full

Cisco 500 Series Specifications

General

Model	Cisco 500 Series
Category	Switch
Mounting	Rack-mountable
Management	Web-based, CLI, SNMP
Ports	24, 48
Port Speed	10/100/1000 Mbps
PoE Support	Available on some models
Switching Capacity	Up to 176 Gbps
MAC Address Table Size	16, 000 entries
Security	ACLs, 802.1X
Quality of Service (QoS)	Yes
Dimensions	Varies by model
Weight	Varies by model
Humidity	10% to 90% non-condensing
Power Supply	Internal
Power Consumption	Varies by model
Jumbo Frame Support	Up to 9216 bytes