C9300-48UB-A - Cisco Catalyst 9300 Switch

Mfr. Part #: C9300-48UB-A
Brand: Cisco
Condition: Refurbished
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C9300-48UB-A Overview

Catalyst 9300 48-port UPOE Deep Buffer, Network Advantage C9300-48UB-A

Overview
C9300-48UB-A Overview

Catalyst 9300 48-port UPOE Deep Buffer, Network Advantage C9300-48UB-A

The Cisco® Catalyst® 9300 Series switches are Cisco’s lead stackable enterprise switching platform built for security, IoT, mobility, and cloud. They are the next generation of the industry’s most widely deployed switching platform..

Quick Specs

Product Code

C9300-48UB-A

Product Description

Catalyst 9300 higher scale 48-port modular uplinks 1G UPOE, Network Advantage

Total 10/100/1000,Multigigabit copper or SFP Fiber

48 Cisco UPOE

Uplink Configuration

Modular Uplinks

Default AC power supply

1100W AC

Available PoE power

822W

Switching capacity

256 Gbps

Switching capacity with stacking

736 Gbps

Forwarding rate

190.48 Mpps

Forwarding rate with stacking

547.62 Mpps

Product Details

Figure 1 shows the front panel of C9300-48UB-A.

front of C9300-48UB-A

C9300-48UB-A provides these features:

  • Highest wireless scale with Wave 2 access points supported on a single switch with select models
  • UADP 2.0 Application-Specific Integrated Circuit (ASIC) with programmable pipeline and microengine capabilities, along with template-based, configurable allocation of Layer 2 and Layer 3 forwarding, Access Control Lists (ACLs), and Quality of Service (QoS) entries
  • Intel® x86 CPU complex with 8-GB memory, and 16 GB of flash and external USB 3.0 SSD pluggable storage slot to host containers
  • USB 2.0 slot to load system images and set configurations
  • Up to 480 Gbps of local stackable switching bandwidth
  • Flexible and dense uplink offerings with 1G, Multigigabit, 10G, and 40G, with platform readiness for 25G
  • Flexible downlink options with 1G and Multigigabit links
  • Leading PoE capabilities with up to 384 ports of PoE per stack, 60W Cisco UPOE, and PoE+
  • Intelligent Power Management with Cisco StackPower technology, providing power stacking among members for power redundancy
  • Line-rate, hardware-based Flexible NetFlow (FNF), delivering flow collection of up to 64,000 flows
  • IPv6 support in hardware, providing wire-rate forwarding for IPv6 networks
  • Dual-stack support for IPv4/IPv6 and dynamic hardware forwarding table allocations, for ease of IPv4-to-IPv6 migration
  • Cisco IOS XE, a modern operating system for the enterprise with support for model-driven programmability including NETCONF, RESTCONF, YANG, on-box Python scripting, streaming telemetry, container-based application hosting, and patching for critical bug fixes. The OS also has built-in defenses to protect against runtime attacks
SD-Access:
  • The Cisco Catalyst 9300 Series Switches form the foundational building block for SD-Access, Cisco’s lead enterprise architecture:
  • Policy-based automation from edge to cloud
  • Simplified segmentation and micro-segmentation, with predictable performance and scalability
  • Automation through the Cisco Application Policy Infrastructure Controller Enterprise Module (APIC-EM)
  • Policy handled through the Cisco Identity Services Engine (ISE)
  • Network assurance provided through the Network Data Platform
  • Faster launch of new business services and significantly improved issue resolution time
  • Plug and Play (PnP) enabled: A simple, secure, unified, and integrated offering to ease new branch or campus device rollouts or updates to an existing network
Advanced security:
  • Encrypted Traffic Analytics (ETA): You benefit from the power of machine learning to identify and take actions toward threats or anomalies in your network, including malware detection in encrypted traffic (without decryption) and distributed anomaly detection
  • Support for AES-256 with the powerful MACsec 256-bit encryption algorithm available on all models
  • Trustworthy systems: Hardware anchored Secure Boot and Secure Unique Device Identification (SUDI) support for Plug and Play, to verify the identity of the hardware and software

The Accessories

Catalyst 9300 Series.

Product number

Description

Network module

C9300-NM-4G

Catalyst 9300 Series 4x 1G Network Module

C9300-NM-4M

Catalyst 9300 Series 4x Multigigabit Network Module

C9300-NM-8X

Catalyst 9300 Series 8x 10G Network Module

C9300-NM-2Q

Catalyst 9300 Series 2x 40G Network Module

C9300-NM-2Y

Catalyst 9300 Series 2x 25G Network Module

Stacking accessories

STACK-T1-50CM

Data stack 50 cm (cable option with C9300 SKUs)

STACK-T1-1M

Data stack 1m (cable option with C9300 SKUs)

STACK-T1-3M

Data stack 3m (cable option with C9300 SKUs)

C9300L-STACK-KIT

Stack kit for C9300L SKUs only: Two data stack adapters and one data stack cable

STACK-T3-50CM

Data stack 50cm cable (default cable with C9300L Stack Kit)

STACK-T3-1M

Data stack 1m cable (cable option with C9300L Stack Kit)

STACK-T3-3M

Data stack 3m cable (cable option with C9300L Stack Kit)

Compare to Similar Items

Product Code

C9300-24UB-A

C9300-24UXB-A

C9300-48UB-A

Product Description

Catalyst 9300 higher scale 24-port modular uplinks UPOE, Network Advantage

Catalyst 9300 higher scale 24-port modular uplinks mGig UPOE, Network Advantage

Catalyst 9300 higher scale 48-port modular uplinks 1G UPOE, Network Advantage

Total 10/100/1000,Multigigabit copper or SFP Fiber

24 Cisco UPOE

24 Multigigabit Cisco UPOE (100M, 1G, 2.5G, 5G, or 10 Gbps)

48 Cisco UPOE

Uplink Configuration

Modular Uplinks

Modular Uplinks

Modular Uplinks

Default AC power supply

1100W AC

1100W AC

1100W AC

Available PoE power

830W

560W

822W

Switching capacity

208 Gbps

640 Gbps

256 Gbps

Switching capacity with stacking

688 Gbps

1120 Gbps

736 Gbps

Forwarding rate

154.76 Mpps

476.19 Mpps

190.48 Mpps

Forwarding rate with stacking

511.90 Mpps

833.33 Mpps

547.62 Mpps

Need help with C9300-48UB-A?

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Specification

C9300-48UB-A Specification

C9300-48UB-A Specification

Product Description

Catalyst 9300 higher scale 48-port modular uplinks 1G UPOE, Network

Advantage

FRU Power Supply

Yes

FRU Fans

Yes

Modular Uplinks

Yes

Cisco StackPower

Yes

Stacking Bandwidth Support

480 Gbps

Catalyst 9800 Embedded WLC

Yes (200 APs)

SD-Access Support

Yes (256 Virtual Networks)

Uplink Configuration

Modular Uplinks

Default AC power supply

1100W AC

Available PoE power

822W

Total number of MAC addresses

64,000

Total number of IPv4 routes (ARP plus learned routes)

64,000

IPv6 routing entries

32,000

Multicast routing scale

16,000

QoS scale entries

18,000

ACL scale entries

18,000

Packet buffer per SKU

32 MB buffer for 24- and 48-port Gigabit Ethernet models

64 MB buffer for 24-port Multigigabit model (24UXB)

 

FNF entries

128,000 flow on 24- and 48-port Gigabit Ethernet models

256,000 flows on 24-port Multigigabit

DRAM

8 GB

Flash

16 GB

Switching capacity

256 Gbps

Switching capacity with stacking

736 Gbps

Forwarding rate

190.48 Mpps

Forwarding rate with stacking

547.62 Mpps

Dimensions (H x W x D) inches

Chassis only: 1.73 x 17.5 x 16.1

W/ Default Power Supply: 1.73 x 17.5 x 19.2

W/ 1100W Power Supply: 1.73 x 17.5 x 19.2

Frequently Asked Questions

What are the primary performance advantages of the 'Deep Buffer' architecture in the C9300-48UB-A? +
The deep buffer design on the C9300-48UB-A is engineered to handle micro-bursts and high-bandwidth traffic spikes more effectively than standard switches. By providing larger memory buffers, it prevents packet loss during periods of network congestion, making it an ideal choice for high-performance enterprise applications and data-heavy environments that require consistent, low-latency throughput for critical traffic.
Does the C9300-48UB-A support Universal Power over Ethernet (UPOE) for modern devices? +
Yes, this model specifically supports UPOE, providing up to 60W of power per port. This capacity is essential for powering high-draw endpoints like advanced Wi-Fi 6 access points, pan-tilt-zoom cameras, and smart building lighting systems that exceed the limitations of standard PoE+ switches, ensuring your infrastructure is ready for modern IoT and wireless deployments.
What is the specific value of the Network Advantage license included with the C9300-48UB-A? +
The Network Advantage license provides a robust suite of advanced software features. This includes full Layer 3 routing capabilities such as OSPF, EIGRP, and BGP, alongside comprehensive automation and programmable features. It is designed for enterprises requiring full SD-Access support, advanced segmentation, and policy-based automation across their campus network fabric.
Can the C9300-48UB-A be integrated into an existing Cisco StackWise-480 stack? +
The C9300-48UB-A is fully compatible with StackWise-480 technology, allowing you to combine it with other members of the Catalyst 9300 family. This provides high-speed backplane stacking of up to 480 Gbps, enabling simplified management and high availability by treating the entire stack as a single logical switch unit.
What are the typical deployment scenarios for this 48-port UPOE model? +
This switch is perfectly suited for dense campus environments, such as office buildings or educational facilities, where high-performance wireless and IP-based devices are standard. Its high power budget and deep buffers ensure that it reliably supports a wide range of powered endpoints, making it the backbone for modernized, highly connected enterprise workspaces.
How do the management capabilities of the C9300-48UB-A enhance operational efficiency? +
Management is streamlined through Cisco DNA Center or the industry-standard Cisco IOS XE interface. These platforms offer deep visibility, automated provisioning, and centralized control. By leveraging these tools, network administrators can significantly reduce manual configuration time and respond more rapidly to network changes, ensuring the infrastructure remains agile and aligned with business goals.
Is the C9300-48UB-A suitable for applications that require constant, low-latency connectivity? +
Absolutely. The Catalyst 9300 series architecture is designed specifically for high-availability campus environments. With its redundant, hot-swappable power supplies and fans, combined with the resiliency provided by StackWise technology, the C9300-48UB-A minimizes downtime and ensures that your critical network applications remain operational and stable around the clock.
What physical port configuration should I expect for my uplink requirements? +
This model features 48 fixed 10/100/1000 Ethernet ports capable of UPOE. As part of the Catalyst 9300 series, you can customize your uplink connectivity using optional modular network modules that support SFP, SFP+, or even higher-speed interfaces, allowing you to tailor the uplink capacity to your specific core network throughput demands.
How can I obtain a bulk quote for multiple C9300-48UB-A units for a large project? +
For large volume orders or project-specific pricing, please contact our dedicated sales team directly through BuyRouterSwitch.com. We specialize in providing competitive quotes for enterprise-scale deployments, ensuring you receive the best possible pricing and procurement support for your infrastructure expansion needs. Our team is ready to assist with your custom project requirements.
Why should I choose BuyRouterSwitch.com for my Cisco hardware procurement? +
BuyRouterSwitch.com is a premier source for authentic enterprise networking gear. We prioritize secure ordering processes and maintain a deep inventory of Cisco Catalyst hardware to meet your project timelines. By choosing us, you are partnering with an expert team focused on providing professional, reliable service for your IT procurement lifecycle.
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