C9300-48S-A Cisco 48 Ports Managed Switch
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C9300-48S-A Cisco 48 Ports Managed Switch Refurbished

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Part Number#: C9300-48S-A
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Short Description:
C9300-48S-A Network Essential Switch 48 Ports Ge Small Form-Factor Pluggable (SFP) Ports Layer3 (L3) managed Modular Uplink Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of Cisco C9300-48S-A Network Essential Switch

The Cisco C9300-48S-A is a high-performance network switch designed to meet the demands of modern networking environments. As part of Cisco's Catalyst 9300 Series, this switch offers advanced features and robust capabilities to support the connectivity needs of businesses.

Hardware Overview

48 Ports for Versatile Connectivity

The C9300-48S-A boasts 48 ports, providing a wealth of connectivity options for various networked devices. These ports support Small Form-Factor Pluggable (SFP) modules, allowing for flexibility and scalability in the choice of network interfaces.

Small Form-Factor Pluggable (SFP) Ports

The switch's SFP ports are designed to accommodate SFP transceivers, compact and hot-swappable devices that enable different types of connectivity, including fiber optics for long-distance links and copper for shorter connections.

Features and Capabilities

Layer 3 (L3) Managed Switch

This switch operates at Layer 3 of the OSI model, meaning it can route traffic based on IP addresses. Layer 3 switches are intelligent devices that can make dynamic routing decisions, enhancing network efficiency and performance.

Modular Uplink Options

The term "modular uplink" implies that the switch provides flexibility in choosing uplink modules. This modular design allows businesses to customize the switch based on their specific needs, adapting to changing network requirements over time.

Network Essentials Features

As part of Cisco's Network Essentials portfolio, this switch offers essential networking features that are fundamental for building and managing a reliable network. These features include security protocols, Quality of Service (QoS) settings, and management capabilities to ensure a robust and secure networking environment.

Network Performance and Speed

Gigabit Ethernet Speed

With support for Gigabit Ethernet, the C9300-48S-A ensures high-speed data transfer across the network. This is vital for applications demanding rapid data exchange, such as large file transfers, video conferencing, and other data-intensive tasks.

SFP Ports for Diverse Connectivity

The inclusion of SFP ports not only enhances speed but also provides versatility in connectivity. These ports support a variety of SFP modules, enabling businesses to tailor their network infrastructure to meet specific requirements.

Security and Management

Advanced Security Protocols

The switch incorporates advanced security features to safeguard the network against potential threats. This includes features like Access Control Lists (ACLs), which control traffic flow based on defined rules, and Secure Shell (SSH) for secure remote management.

User-Friendly Management Interface

Cisco emphasizes user-friendly interfaces, and the C9300-48S-A is no exception. The switch is equipped with a management interface that allows administrators to configure settings, monitor network performance, and troubleshoot issues efficiently.

Quality of Service (QoS) Settings

Quality of Service (QoS) settings enable administrators to prioritize certain types of network traffic. This is crucial for ensuring that critical applications receive the necessary bandwidth, delivering a smooth and reliable user experience.

Use Cases

Enterprise Networks

The Cisco C9300-48S-A is well-suited for large enterprise networks where scalability, performance, and security are paramount. Its modular design allows for customization, making it an ideal choice for complex and dynamic network environments.

Data Centers

In data center environments, where high-performance networking is essential, this switch excels. Its Layer 3 capabilities, Gigabit Ethernet speed, and modular uplink options make it suitable for handling the demands of data-intensive applications.

Network Expansion and Upgrades

The modular uplink design of the C9300-48S-A makes it an excellent choice for businesses planning network expansion or upgrades. The ability to choose and adapt uplink modules ensures future-proofing of the network infrastructure.

48 Ports Managed Switch

  • Connect the Cisco C9300-48S-A switch to a power source and turn it on.
  • Connect a computer or laptop to the switch using an Ethernet cable.
  • Open a web browser and enter the IP address of the switch in the address bar. The default IP address is
  • Enter the default username and password (cisco/cisco) to log in to the switch.
  • Configure the basic network settings, such as the IP address, subnet mask, and default gateway.
  • Configure the VLANs on the switch by going to the VLAN Configuration menu and creating new VLANs.
  • Configure the switch ports by going to the Interface Configuration menu and configuring the port speed, duplex, and VLAN membership.
  • Configure the switch's security settings by going to the Security Configuration menu and setting up access control lists and port security.
  • Configure the switch's Quality of Service (QoS) settings by going to the QoS Configuration menu and setting up traffic classes and policies.
  • Configure the switch's management settings by going to the Management Configuration menu and setting up SNMP, syslog, and other management options.
  • Save the configuration changes and reboot the switch to ensure that all settings are properly applied.
  • Monitor the switch's performance and troubleshoot any issues that may arise using the switch's built-in monitoring and diagnostic tools.
  • Regularly update the switch's firmware to ensure that it is running the latest version and is fully supported.

Advanced Features of Ethernet Switch

  • Cisco DNA Software: The C9300-48S-A switch is built on the Cisco DNA software platform, which provides advanced network management, automation, and analytics capabilities.
  • Multi-Gigabit Ethernet: The switch supports multi-gigabit Ethernet speeds, allowing for faster data transfer and improved network performance.
  • StackWise-480 Technology: The switch utilizes StackWise-480 technology, which enables it to be stacked with up to 9 other Cisco switches for increased scalability and redundancy.
  • Advanced Security: The switch includes advanced security features such as Cisco Identity Services Engine (ISE) integration and TrustSec technology, which provide enhanced network protection against threats and unauthorized access.
  • Quality of Service (QoS): The switch includes advanced Quality of Service (QoS) capabilities, which allow for the prioritization of network traffic and improved application performance.
  • Energy Efficient Ethernet (EEE): The switch supports Energy Efficient Ethernet (EEE) standards, which help to reduce power consumption and lower energy costs.
  • IPv4 and IPv6 Support: The switch supports both IPv4 and IPv6 network protocols, allowing for easy integration with existing networks and future-proofing for new technologies.
  • Cisco DNA Center Integration: The switch can be integrated with Cisco DNA Center, which provides a centralized platform for managing and automating network operations.
  • Flexible Netflow: The switch supports Flexible Netflow, which allows for the collection and analysis of network traffic data for improved network visibility and security.
  • Application Visibility and Control (AVC): The switch includes Application Visibility and Control (AVC) capabilities, which allow for the monitoring and control of network traffic based on applications, protocols, and users.

Key Information about this Cisco C9300-48S-A

  • Manufacturer: Cisco
  • Model Number or SKU# C9300-48S-A
  • Device Type: Switch - 48 Ports - L3 - Managed - Stackable
  • Enclosure Type: Rack-mountable 1u
  • Subtype: 1gigabit Ethernet
  • Ports : 48 X Gigabit Sfp

Performance of 48Ports

  • Switching Capacity: 128 Gbps
  • Stacking Bandwidth: 480 Gbps
  • Forwarding Rate: 190.48 Mpps
  • Routing Protocol: OSPF, Is-is, Rip-1, Rip-2, Bgp, Eigrp, Hsrp, Igmp, Vrrp, Pim-sm, Ospfv3, Pim-SSM, Msdp, Policy-based Routing (PBR), Ripng

Interfaces Ports

  • Uplink Port: Yes
  • Modular: Yes
  • Stack Port: Yes
  • Port/Expansion Slot: Details 48 x Gigabit Ethernet Expansion Slot
  • Port/Expansion Slot: Details 1 x Expansion Slot

Media and Performance for Catalyst 9300 Uplink Switch

  • Media Type Supported: Optical Fiber
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 1000Base-X

I/O Expansions

  • Number of Total Expansion Slots: 49
  • Expansion Slot Type: Uplink Module
  • Expansion Slot Type: SFP (mini-GBIC)
  • Number of SFP Slots: 48

Network and Communication

  • Layer Supported: 2
Management & Protocols
  • Manageable: Yes
Power Description
  • Power Source: Power Supply
  • Redundant Power Supply: Supported Yes
  • Environmentally Friendly: Yes
  • Environmental Certification RoHS-5

In summary, the Cisco C9300-48S-A Network Essential Switch is a powerful and versatile networking solution. With its 48 SFP ports, Layer 3 capabilities, modular uplink options, and essential network features, it addresses the connectivity needs of diverse environments, from large enterprises to data centers. Its focus on security, performance, and scalability positions it as a reliable choice for businesses seeking a robust and customizable network switch.

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 C9300-48S-A 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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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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