Cisco 300 Series Administration Guide

Port Management
UDLD
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 137
9
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
• Setting Global Green Ethernet Properties
• Setting 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 where only the Gigabyte ports are enable with EEE.
The Green Ethernet feature can reduce overall power usage in the following ways:
• Energy-Detect Mode— On an inactive link, the port moves into inactive
mode, saving power while keeping the Administrative status of the port Up.

Cisco 300 Series Specifications

General

Model	Cisco 300 Series
Category	Switch
Dimensions	Varies by model
Weight	Varies by model
Power over Ethernet (PoE)	Available on select models
Management	Web-based GUI, SNMP, CLI
VLANs	Up to 256
Security Features	ACLs, 802.1X, Port Security
Humidity	10% to 90% non-condensing
Ports	8, 16, 24, 48