Cisco Catalyst 9300-48UN-E Switch

Meet the Cisco Catalyst 9300-48UN-E Switch, a next‑generation, enterprise‑class 48‑port Gigabit Ethernet switch engineered for growing networks, high-security environments, and automated operations. Designed to deliver reliable performance in campus cores, distribution layers, and edge deployments, this model blends robust hardware, flexible software features, and Cisco’s renowned reliability. With 8GB of RAM and 16GB of flash memory, support for RIP v1, RIP v2, and RIPng routing protocols, and an Enhanced Limited Lifetime Hardware Warranty, the 9300-48UN-E offers a scalable platform that helps you deploy faster, secure networks while simplifying management and ongoing maintenance. Whether you’re refining policy-based networking, consolidating campus access, or driving automation through Cisco IOS XE, this switch is built to handle current traffic and adapt to future workloads.

• Dense, reliable 48‑port Gigabit Ethernet backing for growing networks: The Cisco Catalyst 9300-48UN-E delivers abundant port density in a compact 1U form factor, enabling you to connect numerous workstations, printers, servers, and uplink devices without compromising performance. Its non-blocking architecture and advanced buffering help maintain low latency even in busy office floors or educational campuses, making it an excellent backbone for network access layers and edge deployments alike.
• Robust memory and storage for modern network services: Equipped with 8GB of RAM and 16GB of flash memory, this switch is prepared to run modern Cisco IOS XE features, virtualization, and policy-based networking with room to grow. The generous memory enables smoother operation of security policies, QoS, VLANs, wireless controller integrations, and automation scripts. With ample flash storage, you can keep firmware, configurations, and stateful services readily accessible for faster recovery and updates.
• Integrated RIP routing support for flexible network design: The 9300-48UN-E includes support for RIP v1, RIP v2, and RIPng routing protocols, enabling simple, scalable routing between VLANs and across different network segments. This capability makes it easier to implement basic routing on a Layer 3 access switch or to connect multiple subnets within a campus environment, helping you optimize traffic paths and reduce bottlenecks without requiring a separate router for every segment.
• Secure, manageable, and future-ready with Cisco IOS XE: The switch runs Cisco IOS XE, delivering enterprise-grade security features, role-based access control, ACLs, 802.1X, and integration with Cisco management ecosystems for centralized monitoring, provisioning, and automation. Its secure baseline reduces risk while giving IT teams the tools to scale policies across dozens or hundreds of devices. This model is designed to integrate with Cisco DNA Center and other management platforms for streamlined operations and consistent policy enforcement.
• Warranty, reliability, and support you can trust: The Cisco Catalyst 9300-48UN-E ships with an Enhanced Limited Lifetime Hardware Warranty, reflecting Cisco’s commitment to long-term reliability and uptime. This warranty provides peace of mind for critical network deployments in education, healthcare, corporate offices, and retail environments, with coverage designed to minimize unplanned downtime and expedite replacements when needed. The combination of proven hardware, extensive service options, and Cisco’s global support network helps ensure steady performance and rapid issue resolution.

Technical Details of Cisco Catalyst 9300-48UN-E Switch

• Model: Cisco Catalyst 9300-48UN-E
• Ports: 48 x 1-Gigabit Ethernet ports
• Memory: 8 GB RAM, 16 GB Flash memory
• Routing Protocols: RIP v1, RIP v2, RIPng
• Power: Included power supply
• Warranty: Enhanced Limited Lifetime Hardware Warranty
• Form Factor: 1U rack-mountable switch
• Management: Cisco IOS XE with integrated security, QoS, and policy management
• Deployment: Suitable for enterprise campus access, edge, or distribution layers

How to install Cisco Catalyst 9300-48UN-E Switch

• Plan placement and rack location: Choose a cool, well-ventilated area with adequate clearance for airflow and cable management. Ensure the rack space conforms to 1U height and can support the switch’s weight.
• Rack mounting: Use standard 19-inch rack rails and screws to secure the 1U unit. Align the switch carefully to avoid any strain on ports or cables, and ensure front panel access for maintenance and monitoring.
• Power connection: Connect the included power supply to a clean, surge-protected power source. Verify the power cable is securely seated and that the circuit can handle the anticipated load, especially in dense deployments with multiple devices on the same line.
• Initial network wiring: Plan your port layout to separate access, uplink, and management connections. Route cables neatly to prevent interference and to simplify future changes. If you’re using management out-of-band access, ensure a dedicated management VLAN or out-of-band path is available.
• Management access setup: Connect a management workstation to the switch via a dedicated management interface or a management VLAN. Access the CLI or a WEB-based management interface as appropriate for your environment, using the default credentials as recommended by Cisco and changing them during the initial setup.
• Basic configuration: Configure essential settings such as hostname, management IP, and default gateway. Establish security policies (strong passwords, SSH access instead of Telnet, and enable ACLs where needed). Define VLANs, assign ports to appropriate VLANs, and set up QoS rules if required for voice or critical applications.
• Routing configuration: Enable and configure RIP v1, RIP v2, or RIPng as your network design requires. Define network statements, route timers, and any route summarization necessary for your topology. Validate reachability across all segments to confirm correct routing behavior.
• Saving and validation: Save the running configuration to ensure changes persist after a reboot. Perform a basic verification by checking port status, VLAN assignments, and routing tables to confirm operational readiness.
• Documentation and ongoing management: Record the device’s IP addresses, roles, firmware version, and security policies. Use Cisco management tools for ongoing monitoring, firmware updates, and policy changes to maintain consistent, secure operations across your network.

Frequently asked questions

• What is the Cisco Catalyst 9300-48UN-E best suited for? It is designed for enterprise-grade campus networks that require dense 48‑port Gigabit Ethernet connectivity, reliable performance, and integrated routing capabilities. It’s ideal for access layer deployments or edge connections where secure management, policy-based networking, and scalable growth are priorities.
• Does this model include PoE support? The provided specifications focus on 48 x 1G Ethernet ports, memory, routing protocols, and warranty. PoE capability is not listed for this specific model in the available details. If PoE is essential for your deployment (e.g., powering IP phones or wireless APs), review Cisco’s PoE variants within the 9300 family or consult a Cisco representative to confirm capabilities for your exact SKU.
• What routing protocols are supported? The switch supports RIP v1, RIP v2, and RIPng, enabling flexible routing configurations across IPv4 and IPv6 networks. This makes it suitable for mixed or transitioning environments where legacy IPv4 routing and IPv6 routing coexist.
• What warranty coverage is included? The device ships with an Enhanced Limited Lifetime Hardware Warranty, which reflects Cisco’s commitment to long-term reliability and serviceability. This warranty typically covers hardware replacement or repair under specified conditions, contributing to lower total cost of ownership for mission-critical networks.
• How do I manage and configure the switch? The switch runs Cisco IOS XE, providing a familiar, feature-rich command-line interface as well as robust management options via Cisco’s graphical and programmatic tools. You can manage configurations, monitor performance, enforce security policies, and automate tasks using IOS XE capabilities and compatible Cisco management platforms.
• Is the Catalyst 9300-48UN-E suitable for rack mounting? Yes. The model is designed as a 1U, 19-inch rack-mountable switch, which aligns with standard data center and network closet installations. Proper cooling and cable management are recommended to maintain performance and accessibility for maintenance tasks.