Cisco WS-C3750G-24TS-E1U 24 Port Switch
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Cisco WS-C3750G-24TS-E1U Catalyst Switch 24 Ports Ethernet Refurbished

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Part Number#: WS-C3750G-24TS-E1U
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Short Description:
WS-C3750G-24TS-E1U Catalyst 3750 24-Ports 10/100/1000T RJ-45 Manageable Layer3 Rack Mountable 1U and Stackable Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product overview of the Cisco Catalyst 24 Ports Switch

The Cisco WS-C3750G-24TS-E1U Catalyst 3750 is a versatile and robust network switch designed to meet the demands of modern networking environments. In this comprehensive guide, we will delve into the features and capabilities of this switch, exploring its technical specifications, management capabilities, physical design, and how it fits into various network setups. In the realm of networking, the Cisco WS-C3750G-24TS-E1U Catalyst 3750 is a prominent name. This switch is known for its capability to manage networks efficiently. In this comprehensive guide, we will delve into the features, specifications, and functionalities of the Cisco WS-C3750G-24TS-E1U Catalyst 3750.

Technical Specifications for 0/100/1000T RJ-45 Manageable Switch

Ports and Connectivity

The WS-C3750G-24TS-E1U boasts 24 ports, each supporting 10/100/1000T RJ-45 connectivity. This extensive port configuration enables high-speed data transfer and efficient network management. The RJ-45 connectors ensure compatibility with a wide range of network devices, making it suitable for diverse networking requirements.

Layer 3 Functionality

One of the standout features of this switch is its Layer 3 functionality. Layer 3, or the network layer, allows the switch to make routing decisions, facilitating efficient communication between different subnets. This capability enhances network performance and enables the creation of more complex and segmented network architectures.

Rack Mountable 1U Design

The WS-C3750G-24TS-E1U is designed to be rack-mounted, saving valuable floor space in data centers and network closets. The 1U form factor ensures easy integration into standard rack setups, providing scalability and flexibility in network expansion.

Stackable Switch Capability

This Cisco Catalyst 3750 switch is stackable, allowing multiple units to be interconnected to form a single logical unit. Stackable switches provide increased scalability, simplified management, and enhanced redundancy. We will explore the benefits and considerations of stackable switches in the subsequent sections.

Stackable Switching


Stackable switches, like the WS-C3750G-24TS-E1U, offer a scalable solution for growing network infrastructure. By connecting multiple switches in a stack, administrators can increase the number of available ports and overall network capacity seamlessly. This scalability is crucial for businesses experiencing growth or planning for future expansion.

Simplified Management

Managing a stack of switches is more straightforward than handling individual units. Stackable switches operate as a single entity, simplifying configuration, monitoring, and troubleshooting. This unified management approach reduces the complexity of network administration, saving time and resources.

Enhanced Redundancy

Stackable switches provide built-in redundancy, ensuring uninterrupted network operation even in the event of a hardware failure. In a stack, if one switch fails, the remaining switches can continue to operate, preventing downtime. Redundancy is a critical factor in mission-critical environments where continuous connectivity is paramount.

Management Capabilities

Cisco IOS Software

The WS-C3750G-24TS-E1U runs on Cisco's renowned Internetwork Operating System (IOS). Cisco IOS provides a robust and feature-rich platform for configuring and managing network devices. This section will explore key features of Cisco IOS and how they contribute to efficient switch management.

Web-Based Management Interface

For users who prefer a graphical interface, the switch offers a web-based management interface. This intuitive interface simplifies configuration tasks, making it accessible to users with varying levels of networking expertise. We will delve into the user-friendly aspects of the web-based management interface and its role in day-to-day network administration.

Command Line Interface (CLI)

For seasoned network administrators, the Command Line Interface (CLI) remains a powerful tool for configuring and troubleshooting network devices. The WS-C3750G-24TS-E1U provides a comprehensive CLI, allowing administrators to execute precise commands for advanced configuration and monitoring. This section will highlight the advantages of the CLI and its role in network management.

Form Factor and Dimensions

The switch's 1U form factor is a standard size for rack-mounted networking equipment. Understanding the physical dimensions and weight is essential for planning rack space and ensuring proper ventilation in data center environments. This section will provide detailed information on the dimensions and weight of the WS-C3750G-24TS-E1U.

Rack Mounting Guidelines

Proper rack mounting is crucial for the efficient operation of networking equipment. This section will provide step-by-step guidelines for securely mounting the WS-C3750G-24TS-E1U in a standard network rack. Considerations such as cable management, ventilation, and accessibility will be covered to ensure optimal performance and ease of maintenance.

Managed Switching Features

The WS-C3750G-24TS-E1U Cisco Catalyst switch is a managed switch, which means that it can be configured and monitored using a network management system. Some of the key managed switching features of the switch include:

  • Cisco IOS Software: The switch runs Cisco IOS software, which provides a wide range of features for configuring and monitoring the switch, including a command-line interface (CLI) and web-based graphical user interface (GUI).
  • Quality of Service (QoS): The switch supports QoS, which allows you to prioritize different types of traffic, such as voice and video, to ensure that these types of traffic are not impacted by congestion.
  • Access Control Lists (ACLs): The switch supports ACLs, which can be used to implement security policies, such as denying or permitting access to specific IP addresses or protocols.
  • Link Aggregation Control Protocol (LACP): The switch supports LACP, which allows you to bundle multiple physical ports together to form a single logical link, providing increased bandwidth and redundancy.
  • Remote Management: The switch supports SNMP, which allows you to monitor and manage the switch remotely using a network management system.
  • Stack Management: The switch supports Cisco StackWise technology, which allows multiple switches to be stacked together to form a single logical switch, providing increased ports and redundancy.
  • Power over Ethernet (PoE) Management: The switch supports PoE, which allows it to provide power to devices connected to it over Ethernet cables, it also can monitor and manage power usage.

Security and Compliance of Slots-4 Switch

The WS-C3750G-24TS-E1U Cisco Catalyst switch is designed to help organizations comply with various security and compliance standards. Some of the security features that may be implemented on this switch include:

  • Access control: The switch can be configured to restrict access to specific network resources based on the identity of the user or device. This can be done through the use of authentication and authorization protocols such as RADIUS and TACACS+.
  • Encryption: The switch can be configured to encrypt sensitive data as it travels across the network. This can be done using protocols such as IPsec and SSL.
  • Firewall: The switch can be configured to act as a firewall, which can be used to block unauthorized access to the network. This can be done through the use of access control lists (ACLs) and other security features such as Network Address Translation (NAT).
  • Intrusion detection and prevention: The switch can be configured to detect and prevent network intrusions through the use of features such as Cisco's Network-Based Application Recognition (NBAR) and the Cisco IOS Firewall.
  • VLAN: The switch can be configured to segment the network into virtual LANs (VLANs), which can be used to isolate different types of network traffic. This can help to improve security by limiting the spread of malware or other malicious traffic.
  • Compliance: The switch can be configured to comply with various security standards such as HIPAA, PCI DSS, and ISO 27001. These standards set specific requirements for the security of data and networks, and the switch can be configured to meet those requirements.

It is important to note that the security and compliance features available on the WS-C3750G-24TS-E1U depend on the version of the firmware installed on the switch and the licenses that have been activated. It is important to consult the Cisco documentation and to work with a Cisco-certified professional to configure and maintain the switch's security and compliance.

General Information about the Cisco WS-C3750G-24TS-E1U

  • Manufacturer: Cisco
  • Part Number or SKU# WS-C3750G-24TS-E1U
  • Product Line: Catalyst
  • Product Series: 3750
  • Product Type: Ethernet Switch

Interfaces/Ports of Ethernet Layer 4 Switch

  • Total Number of Network Ports: 24
  • Number of Network (RJ-45) Ports: 24
  • Port/Expansion Slot Details: 24 x Gigabit Ethernet Network
  • Port/Expansion Slot Details: 4 x Gigabit Ethernet Expansion Slot

Media & Performance

  • Media Type Supported: Twisted Pair
  • Twisted Pair Cable Standard: Category 5
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10Base-T
  • Network Technology: 10/100/1000Base-T

I/O Expansions

  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP (Small Form-factor Pluggable)
  • Number of SFP Slots: 4

Network & Communication

  • Layer Supported: 4


  • Standard Memory: 128 MB
  • Memory Technology: DRAM (Dynamic Random-Access Memory)
  • Flash Memory: 32 MB


  • MTBF (Mean Time Between Failures): 221150 Hours

Power Description

  • Input Voltage: 110 V AC, 220 V AC
  • Power Source: Power Supply
  • Redundant Power Supply: Yes

In summary, the Cisco WS-C3750G-24TS-E1U Catalyst 3750 is a versatile and reliable networking solution designed to meet the demands of modern IT environments. With its robust features, scalable design, and advanced capabilities, the Catalyst 3750 remains a preferred choice for organizations seeking high-performance networking infrastructure. Whether deployed in enterprise networks, data centers, or educational institutions, the Catalyst 3750 delivers unparalleled performance and efficiency, making it an indispensable component of today's interconnected world.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product WS-C3750G-24TS-E1U at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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