Port Mode LED Color Meaning | Cisco Systems 2960 manual

Chapter 1 Product Overview

Front Panel Description

			Table 1-5	Meaning of LED Colors in Different Modes on the Switch

			Port Mode	LED Color	Meaning

			STAT	Off	No link, or port was administratively shut down.
			(port status)
			(port status)	Green	Link present.

				Blinking green	Activity. Port is sending or receiving data.

				Alternating	Link fault. Error frames can affect connectivity, and errors such as
				green-amber	excessive collisions, cyclic redundancy check (CRC) errors, and
					alignment and jabber errors are monitored for a link-fault indication.

				Amber	Port is blocked by Spanning Tree Protocol (STP) and is not forwarding
					data. After a port is reconfigured, the port LED can remain amber for
					up to 30 seconds as STP checks the switch for possible loops.

				Blinking amber	Port is blocked by STP and is sending or receiving packets.

			DUPLX	Off	Port is operating in half duplex.
			(duplex)
			(duplex)	Green	Port is operating in full duplex.
				Green	Port is operating in full duplex.

			SPEED	10/100/1000 ports

				Off	Port is operating at 10 Mb/s.

				Green	Port is operating at 100 Mb/s.

				Blinking green	Port is operating at 1000 Mb/s.

				SFP module ports

				Off	Port is operating at 10 Mb/s.

				Green	Port is operating at 100 Mb/s.

				Blinking green	Port is operating at 1000 Mb/s.
					Note 1000BASE-T SFP modules can operate at 10, 100, or 1000
					Mb/s in full-duplex mode or at 10 or 100 Mb/s in half-duplex
					mode in the Catalyst 2960 switches.

			PoE	PoE port power	The PoE status.

			Even if PoE mode is not selected, the PoE LED still shows PoE problems when they are detected.
			Table 1-6lists the PoE mode LED colors and their meanings. The PoE LED applies only to Catalyst 2960
			switches that support PoE.
Table 1-6	PoE Mode LED

Color		PoE Status

Off		PoE mode is not selected. None of the 10/100 or 10/100/1000 PoE ports have been denied power or are
		in a fault condition.

Green		PoE mode is selected, and the PoE status is shown on the port LEDs.

Blinking amber		PoE mode is not selected. At least one of the 10/100 PoE ports has been denied power, or at least one of
		the ports has a PoE fault.

Catalyst 2960 Switch Hardware Installation Guide

	OL-7075-05	1-15

2960 specifications

Cisco Systems 2960 series switches are a prominent solution in the networking landscape, known for their reliability, scalability, and feature-rich offerings. Ideal for small to medium-sized enterprises, these switches provide a robust foundation for network infrastructure, ensuring optimal performance and connectivity.

One of the standout features of the Cisco 2960 series is its Layer 2 switching capabilities. The switches support multiple VLANs (Virtual Local Area Networks), allowing network administrators to segment traffic efficiently and enhance security protocols. This is crucial in modern networks where managing traffic and isolating sensitive information is a priority.

The Cisco 2960 series also incorporates advanced Quality of Service (QoS) features, enabling the prioritization of critical applications and services. This functionality ensures that time-sensitive data, such as voice and video traffic, maintains a high quality of service even in congested networks. With support for IEEE 802.1p and DSCP marking, administrators can fine-tune their network performance to meet specific organizational needs.

Power over Ethernet (PoE) is another significant characteristic of the Cisco 2960 series. This feature allows switches to deliver electrical power alongside data over Ethernet cables to devices such as IP phones, wireless access points, and surveillance cameras. With PoE, organizations can reduce clutter from power cables and increase deployment flexibility for various devices.

In terms of security, the Cisco 2960 series is equipped with a range of integrated security features. The switch supports port security, 802.1X authentication, and Access Control Lists (ACLs), providing robust defenses against unauthorized access and potential network vulnerabilities. These security measures are essential for protecting sensitive data and ensuring compliance with industry regulations.

Moreover, the Cisco 2960 series offers enhanced network management capabilities with Cisco's Intelligent Network Services. This includes support for Simple Network Management Protocol (SNMP), Cisco Prime, and Embedded Event Manager (EEM), allowing for efficient monitoring, troubleshooting, and policy enforcement across the network.

Additionally, the Cisco 2960 switches provide various models and configurations, catering to different networking needs. Options include models with varying port densities, uplink configurations, and stacking capabilities, making it easy for organizations to choose solutions that align perfectly with their requirements.

In summary, the Cisco 2960 series is a versatile and essential component of modern networking environments. Its advanced features, including Layer 2 support, QoS, PoE, robust security, and diverse management tools, make it an excellent choice for organizations looking to build a strong and secure network infrastructure.

Cisco Systems 2960 specifications Port Mode LED Color Meaning

Models: 2960

Port Mode

LED Color

Meaning

SPEED

Color

PoE Status

2960 specifications