C9300-24UB-A - Cisco Catalyst 9300 Switch
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C9300-24UB-A
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C9300-24UB-A Overview
Catalyst Deep Buffer 9300 24-port UPOE, Network Advantage C9300-24UB-A
Overview
The Cisco Catalyst 9300 Series switches are Cisco’s lead stackable enterprise switching platform built for security, IoT, mobility, and cloud. The Catalyst 9300 Series is the first optimized platform for high-density Wi-Fi 6 and 802.11ac Wave2. It sets new maximums for network scale. These switches are also ready for the future, with an x86 CPU architecture and more memory, enabling them to host containers and run third-party applications and scripts natively within the switch. The Catalyst 9300 Series is designed for Cisco StackWise technology, providing flexible deployment with support for nonstop forwarding with Stateful Switchover (NSF/SSO), for the most resilient architecture in a stackable (sub-50-ms) solution. The highly resilient and efficient power architecture features Cisco StackPower, which delivers high-density Power over Ethernet Plus (PoE+), 60W Cisco Universal Power over Ethernet (Cisco UPOE) and 90W Cisco UPOE®+ ports.
Quick Specs
| Product Code | C9300-24UB-A |
| Product Description | Catalyst Deep Buffer 9300 24-port UPOE, Network Advantage |
| Total 10/100/1000, Multigigabit copper or SFP Fiber | 24 Cisco UPOE |
| Uplink Configuration | Modular Uplinks |
| Default AC power supply | 1100W AC |
| Available PoE power | 830W |
| Switching capacity | 208 Gbps |
| Switching capacity with stacking | 688 Gbps |
| Forwarding rate | 154.76 Mpps |
| Forwarding rate with stacking | 511.90 Mpps |
The Accessories
| 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 | |
| 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 Deep Buffer 9300 24-port 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 |
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Specification
C9300-24UB-A Specification
C9300-24UB-A Specification | ||
| Product Description | Catalyst Deep Buffer 9300 24-port UPOE, Network Advantage | |
| FRU Power Supply | Yes | |
| FRU Fans | Yes | |
| Modular Uplinks | Yes | |
| Stacking Bandwidth Support | 480 Gbps | |
| Cisco StackPower | Yes | |
| Catalyst 9800 Embedded WLC | Yes (200 APs) | |
| SD-Access Support | Yes (256 Virtual Networks) | |
| Total 10/100/1000,Multigigabit copper or SFP Fiber | 24 Cisco UPOE | |
| Uplink Configuration | Modular Uplinks | |
| Default AC power supply | 1100W AC | |
| Available PoE power | 830W | |
| 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 | |
| VLAN IDs | 4094 | |
| Total Switched Virtual Interfaces (SVIs) | 1000 | |
| Jumbo frames | 9198 bytes | |
| Total routed ports per Catalyst 9300 Series stack | 448 | |
| Switching capacity | 208 Gbps | |
| Switching capacity with stacking | 688 Gbps | |
| Forwarding rate | 154.76 Mpps | |
| Forwarding rate with stacking | 511.90 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 | |
| Mean Time Between Failures–MTBF (hours) | 354,300 | |
| Acoustic noise Measured per ISO 7779 and declared per ISO 9296 Bystander positions operating to an ambient temperature of 25°C
| With AC power supply (with 24 PoE+ ports loaded for C9300 SKUs) • LpA: 45dB typical, 48 dB max • LwA: 5.6B typical, 5.9B max With AC power supply (with half the number of PoE+ ports loaded for C9300L SKUs) • LpA: 44dB typical, 47 dB max • LwA: 5.5B typical, 5.8B max Typical: Noise emission for a typical configuration Maximum: Statistical maximum to account for variation in p | |
| Connectors and cabling | • 1000BASE-T ports: RJ-45 connectors, 4-pair Cat 5E UTP cabling • Multigigabit-T ports: RJ-45 connectors, 4-pair Cat 5E, Cat 6, Cat 6A UTP cabling • 1000BASE-T SFP-based ports: RJ-45 connectors, 4-pair Cat 5E UTP cabling • SFP transceivers: LC fiber connectors (single-mode or multimode fiber) • SFP+ transceivers: LC fiber connectors (single-mode or multimode fiber) • QSFP+ transceivers: MPO and LC fiber connectors (single-mode or multimode fiber) • QSFP+ connector • SFP+ connector • Cisco StackWise stacking ports: copper-based Cisco StackWise cabling • Cisco StackPower: Cisco proprietary power stacking cables • Ethernet management port: RJ-45 connectors, 4-pair Cat 5 UTP cabling • Management console port: RJ-45-to-DB9 cable for PC connections | |
| Power connectors | • Customers can provide power to a switch by using the internal power at the back of the switch • Internal power supply connector: The internal power supply is an auto-ranging unit. It supports input voltages between 100 (115 for 1100WAC) and 240 VAC. Use the supplied AC power cord to connect the AC power connector to an AC power outlet | |
| Safety certifications | • UL 60950-1 • CAN/CSA-C222.2 No. 60950-1 • EN 60950-1 • IEC 60950-1 • AS/NZS 60950.1 • IEEE 802.3 | |
| Electromagnetic emissions certifications
| • 47 CFR Part 15 • CISPR22 Class A • EN 300 386 V1.6.1 • EN 55022 Class A • EN 55032 Class A • CISPR 32 Class A • EN61000-3-2 • EN61000-3-3 • ICES-003 Class A • TCVN 7189 Class A • V-3 Class A • CISPR24 • EN 300 386 • EN55024 • TCVN 7317 • V-2/2015.04 • V-3/2015.04 • CNS13438 • KN32 • KN35 • IEC 61000-6-1 • EN 61000-6-1 Additional Certifications for C9300L SKUs: • QCVN 118:2018/BTTTT • CISPR24/25 • CISPR 32 Class A • VCCI-CISPR 32 Class A • EN55035 | |
| Environmental | Reduction of Hazardous Substances (ROHS) 5 | |
Frequently Asked Questions
What distinguishes the C9300-24UB-A from standard PoE+ switches? +
The C9300-24UB-A features Cisco UPOE technology, which delivers up to 60W of power per port. This allows the switch to support power-hungry edge devices like high-definition PTZ cameras, virtual desktop terminals, and advanced LED lighting systems that exceed the 30W threshold of traditional PoE+ standards.
Does the C9300-24UB-A support Cisco StackWise technology? +
Yes, this model fully supports Cisco StackWise-480 technology. By utilizing dedicated stacking cables, you can combine multiple units into a single logical switch. This simplifies management, increases port density, and provides hardware-level resiliency, ensuring that your network infrastructure remains operational even if a single stack member experiences a failure.
What is included with the Network Advantage licensing on the C9300-24UB-A? +
The Network Advantage license provides a robust feature set, including advanced routing protocols like OSPF, EIGRP, and BGP, alongside comprehensive automation and programmable capabilities via Cisco DNA Center. It is designed for enterprise-grade environments that require sophisticated segmentation, scalability, and simplified operational workflows.
How does the Deep Buffer architecture benefit high-performance network environments? +
The Deep Buffer architecture is specifically engineered to handle micro-bursts and high-bandwidth traffic spikes common in video-intensive or high-performance computing applications. By providing increased buffer space, the switch prevents packet loss during transient congestion, ensuring stable performance for mission-critical data flows across your access layer.
Can the C9300-24UB-A be managed using Cisco DNA Center? +
Absolutely. This switch is built for the intent-based networking era and is fully compatible with Cisco DNA Center. This allows for centralized management, automated provisioning, and deep insights into network health, significantly reducing the manual configuration time required for deploying and maintaining your campus network.
What are the primary use cases for the 24-port UPOE configuration? +
This model is ideal for enterprises deploying IoT ecosystems or collaborative workspace technologies. The 24-port UPOE capability is perfect for powering high-end Cisco IP phones, Wi-Fi 6 access points, and digital signage, while the managed interface ensures high availability and security for critical enterprise traffic.
Is the C9300-24UB-A suitable for redundant power configurations? +
The C9300-24UB-A supports modular, field-replaceable power supplies and fans. You can configure the switch with dual redundant power supplies to ensure uninterrupted operation during power failures. This modular approach provides the flexibility needed to match the power budget requirements of your specific connected device load.
How do I ensure this switch is compatible with my existing Cisco stack? +
The Catalyst 9300 series maintains backward compatibility within the platform family, provided that all units in the stack are running the same software version and feature set. We recommend reviewing the Cisco compatibility matrix to confirm that your existing hardware revisions align with the requirements for stacking with the 24UB-A model.
Can BuyRouterSwitch.com assist with pricing for large volume enterprise projects? +
We specialize in supporting large-scale enterprise deployments. If you are sourcing networking hardware for a significant project or require a bulk quote, please contact our sales team directly. We are experienced in handling volume pricing and can provide tailored procurement solutions to meet your specific budgetary needs.
Why should I source my Cisco hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com offers a streamlined purchasing experience focused on authentic Cisco enterprise equipment. We provide secure ordering processes and direct access to expert product information, ensuring that IT buyers receive the precise configuration required for their network architecture without the complexity found in traditional supply chains.
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