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

Availability: In Stock
Part Number#: C9300-48S-A
List Price was: $37557.69
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Short Description:
C9300-48S-A Network Essential Switch 48 Ports Ge SFP Ports L3 managed Modular Uplink Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Configuration and Management of 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.

Troubleshooting and Maintenance of Network Essential Switch

  1. Connectivity Issues:
  • Check the cables and connections to ensure they are securely plugged in and functioning properly.
  • Verify that the switch is powered on and all lights are illuminated.
  • Check the switch's IP address and ensure it matches the network's IP scheme.
  • Use the ping command to check connectivity to the switch and other devices on the network.
  1. Configuration Issues:
  • Verify that the switch is configured with the correct VLANs and ports are assigned to the appropriate VLANs.
  • Check for any misconfigured or conflicting settings such as IP addresses or port assignments.
  • Check for any firmware or software updates that may have been missed.
  1. Performance Issues:
  • Check for high utilization on specific ports or VLANs.
  • Check for any errors or dropped packets on specific ports or VLANs.
  • Check for any loops or broadcast storms on the network.
  1. Maintenance:
  • Schedule regular backups of the switch's configuration.
  • Check for any firmware or software updates that may need to be applied.
  • Check for any physical damage or wear and tear on the switch and its components.
  • Clean the switch and its components to prevent dust buildup and potential damage.

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 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

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

Product Dimensions & Weight

  • Height 1.7inch
  • Width 17.5inch
  • Depth 17.7inch
  • Weight 17.32 lb


  • Environmentally Friendly Yes
  • Environmental Certification RoHS-5
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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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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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UPS® First Overnight - Saturday
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FedEx Shipping Options:

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FedEx Priority Overnight®
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FedEx First Overnight®
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Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

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