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

Availability: In Stock
Part Number#: WS-C3750G-24TS-E1U
List Price was: $607.69
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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

Managed Switching Features for Managed Switch

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 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 has the ability to monitor and manage power usage.

It's also worth noting that this switch is end of life and end of sale, so if you are looking for a similar product you can check the other series of the cisco catalyst switches.

Firmware Upgrade and Maintenance

The WS-C3750G-24TS-E1U is a Cisco Catalyst switch that has 24 Gigabit Ethernet ports and 1 expansion slot for additional network modules. The "E1U" in the model number indicates that it has an internal universal power supply. This switch can be managed through a web interface or command-line interface (CLI).

To upgrade the firmware on the WS-C3750G-24TS-E1U, you will need to download the appropriate firmware image from the Cisco website and then upload it to the switch using the web interface or CLI. The process for upgrading the firmware will vary depending on the current version of the firmware and the version you are upgrading to, so it is important to carefully follow the instructions provided by Cisco.

Regular maintenance on the WS-C3750G-24TS-E1U is important to ensure that it continues to operate correctly. This may include tasks such as checking the switch's logs for errors, monitoring its performance, and backing up the switch's configuration. Additionally, it is important to keep the switch's firmware up to date in order to ensure that it is protected against any known security vulnerabilities.

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 security and compliance.

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

  • Manufacturer: Cisco Systems, Inc
  • Manufacturer Part Number: WS-C3750G-24TS-E1U
  • Brand Name: Cisco
  • Product Line: Catalyst
  • Product Series: 3750
  • Product Model: 3750G-24TS
  • Product Name: Catalyst 3750G-24TS Stackable Gigabit Ethernet Switch
  • Product Type: Ethernet 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
  • Number of SFP Slots: 4

Network & Communication

  • Layer Supported: 4


  • Standard Memory: 128 MB
  • Memory Technology: DRAM
  • Flash Memory: 32 MB


  • MTBF: 221150 Hour

Power Description

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

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(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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