The Cisco Catalyst 9300-48P-A is Cisco’s flagship, stackable enterprise access switch—part of the trusted Catalyst 9000 family—designed for today’s hybrid IT environments . It features 48 PoE+ ports delivering up to 437 W total, powered by a 715 W platinum PSU and dual redundant power supply support . At its core sits the UADP 2.0 ASIC with x86 CPU, enabling advanced programmability, high-performance Layer 2/3 switching, and hardware-based security, including AES‑256 MACsec .
With StackWise‑480, it provides up to 480 Gbps stacking bandwidth across up to eight units . It supports full enterprise availability features—cross-stack EtherChannel, NSF/SSO failover, StackPower, and hot-swappable fans . Additionally, it includes a mandatory 3‑year Cisco DNA Advantage license, offering cloud-powered AI analytics, encrypted traffic analytics, SD‑Access, Cisco Spaces, ThousandEyes synthetic monitoring, and full lifecycle management .
This model is ideal for enterprise campuses, branch offices, and multi-site networks requiring secure, scalable, and intelligent infrastructure with centralized control via Cisco DNA Center.
Key Features & Benefits
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48 × 1 Gb PoE+ ports, with up to 437 W PoE budget, 715 W platinum PSU (supports redundant PSU) .
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Cisco UADP 2.0 ASIC + x86 CPU (IOS XE), enabling programmability, deeper telemetry, and robust L2/L3 switching .
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StackWise‑480: up to 480 Gbps stacking bandwidth, eight-unit stack .
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Hardware-based AES‑256 MACsec encryption on all ports and IPsec support .
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High availability: cross-stack EtherChannel, NSF/SSO, StackPower, hot-swappable fans .
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Flexible uplinks: supports optional network module slots (1/10/25/40 Gb) .
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Mandatory 3‑Year Cisco DNA Advantage license: includes AI analytics, Encrypted Traffic Analytics, SD‑Access, Cisco Spaces, ThousandEyes, and full lifecycle & automation features .
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Enhanced Limited Lifetime Warranty with next-business-day hardware replacement and 90-day TAC support
Technical Specifications
| Attribute | Specification |
|---|---|
| Ports | 48 × 10/100/1000 Mbps PoE+ |
| PoE Budget | Up to 437 W total PoE |
| Power Supply | 715 W Platinum (default), dual PSU support |
| Stacking Bandwidth | 480 Gbps (StackWise‑480) |
| ASIC + CPU | Cisco UADP 2.0 + x86 CPU (IOS XE) |
| MACsec | Hardware-based AES‑256 encryption |
| Uplinks | Modular: 1/10/25/40 Gb options |
| Switching Capacity | 256 Gbps |
| MAC Table | 32,000 entries |
| IPv4 Routes | 32,000 |
| IPv6 Routes | 16,000 |
| Flow Entries | 64,000 (Flexible NetFlow) |
| Dimensions | 1.73 × 17.5 × 17.5 inches |
| Weight | 16.33 lbs |
Frequently Asked Questions About the Cisco Catalyst 9300-48P-A
What are the technical specifications and dimensions of the Cisco Catalyst 9300-48P-A?
The switch has 48 10/100/1000 Mbps PoE+ ports with a total PoE budget of 437 W, a 715 W platinum power supply with dual PSU support, and a stacking bandwidth of 480 Gbps. It features Cisco UADP 2.0 ASIC with an x86 CPU, a switching capacity of 256 Gbps, and dimensions of 1.73 by 17.5 by 17.5 inches, weighing approximately 16.33 pounds.
What security features are built into the Cisco Catalyst 9300-48P-A?
The switch supports hardware-based AES‑256 MACsec encryption on all ports and IPsec support, providing robust security for data in transit. These features ensure encrypted communication, safeguarding data integrity and confidentiality across the network.
What licensing requirements come with the Cisco Catalyst 9300-48P-A switch?
The switch includes a mandatory 3-year Cisco DNA Advantage license that unlocks advanced features such as cloud-powered AI analytics, encrypted traffic analytics, SD-Access, Cisco Spaces, ThousandEyes synthetic monitoring, and comprehensive lifecycle management and automation capabilities.
How does the stacking technology work in the Cisco Catalyst 9300-48P-A, and what benefits does it offer?
The Catalyst 9300-48P-A utilizes StackWise‑480 technology, which allows up to eight units to be connected and operate as a single logical switch with a stacking bandwidth of up to 480 Gbps. This setup provides increased scalability, simplified management, and redundancy, ensuring high availability and improved network performance across large enterprise campuses or multi-site networks.
What are the main features of the Cisco Catalyst 9300-48P-A switch?
The Cisco Catalyst 9300-48P-A is a stackable enterprise access switch featuring 48 PoE+ ports with a total PoE budget of up to 437 W, powered by a 715 W platinum PSU, and supporting dual redundant power supplies. It incorporates the UADP 2.0 ASIC with an x86 CPU for advanced programmability, Layer 2/3 switching, and enhanced security including AES‑256 MACsec. It supports StackWise‑480 for up to 480 Gbps stacking bandwidth, has hardware-based encryption, and is equipped with features for high availability and flexible uplinks.
Official Datasheet & Licensing Info
Cisco Catalyst 9300 Series Data Sheet (Updated March 19, 2025)
Cisco DNA Licensing Options (Advantage vs Essentials)
Cisco DNA Advantage 3-Year Term Features
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