Cisco Catalyst C9300-48UXM-E Ethernet Switch

Experience enterprise-grade performance and security with the Cisco Catalyst C9300-48UXM-E Ethernet Switch, a cornerstone of modern campus and data-center access networks. Built to meet the demands of today’s digital workflows, this switch delivers high-density Multigig ports, powerful security features, and seamless scalability. Designed to support dynamic deployments—from IoT and wireless convergence to high-bandwidth workloads—the C9300-48UXM-E combines reliability, automation-ready management, and energy efficiency in a compact 1U form factor.

• 48-port Multi-Gig Ethernet connectivity with flexible speed options, enabling smooth access-tier performance for laptops, wireless access points, and IoT devices while supporting PoE+ to power devices directly from the switch.
• 4 x 10G SFP+ uplinks for high-bandwidth aggregation and resilient uplink connectivity to core switches or aggregation layers, facilitating scalable growth and improved network redundancy.
• StackWise-480 architecture for simplified, highly available network design. Combine up to eight Catalyst 9300 switches into a single logical chassis for unified management, increased bandwidth, and zero-downtime maintenance.
• Advanced security features including MACsec hardware encryption, robust access control policies, 802.1X authentication, and segmentation capabilities to protect data movements and user access across the network.
• Programmable and automation-ready with Cisco IOS XE, offering APIs and similar tooling for network automation, zero-touch provisioning, and easy integration with Cisco DNA Center for intent-based networking and policy-driven management.

Technical Details of Cisco Catalyst C9300-48UXM-E Ethernet Switch

• SKU: C9300-48UXM-E
• Model: Cisco Catalyst 9300 Series
• Ports: 48 Multi-Gig Ethernet ports (RJ-45) with PoE+ capability
• Uplink: 4 x 10G SFP+ uplink ports
• PoE Budget: PoE+ power budget scales with configuration (high-power PoE options available)
• Stacking: Supports StackWise-480, enabling up to eight switches in a single stack
• Form Factor: 1U fixed chassis for compact, dense deployments
• Management: Cisco IOS XE with support for DNA Center, automation tooling, and advanced security features

how to install Cisco Catalyst C9300-48UXM-E Ethernet Switch

• Prepare the installation space: ensure proper ventilation, rack availability, and adequate power supply suitable for PoE configurations.
• Mount the switch in a standard 19-inch rack and secure with screws, ensuring stable mounting and cable management space.
• Connect power and, if needed, attach PoE-powered devices to the 48 ports. Verify LED indicators confirm normal power and operation.
• Connect the 4 x 10G SFP+ uplinks to the core or distribution layer, and prepare stacking cables if you intend to form a StackWise-480 stack with other Catalyst 9300 devices.
• Power on, access the device via console or initial management IP, and apply the latest IOS XE image. Configure basic settings such as management VLAN, IP address, and administrative credentials.
• Enable security baselines (802.1X, ACLs, and MACsec where applicable), set up QoS policies for prioritized traffic, and configure PoE budgets for connected devices.
• Optionally register the device with Cisco DNA Center for policy-driven automation, inventory management, and streamlined software updates and health monitoring.

Frequently asked questions

• Q: What is the Cisco Catalyst C9300-48UXM-E best suited for? A: It is ideal for enterprise access-layer deployments requiring high-density Multi-Gigabit connectivity, PoE support for endpoint devices and wireless access points, and scalable stacking for simplified management and growth.
• Q: Does the C9300-48UXM-E support PoE? A: Yes. The switch includes PoE+ capability to power compatible devices directly from its ports, with the total PoE budget depending on configuration and power supply.
• Q: Can I stack multiple C9300-48UXM-E switches? A: Absolutely. The device supports StackWise-480, allowing you to stack up to eight switches for a single management plane, higher aggregated bandwidth, and improved resiliency.
• Q: What management and automation options are available? A: The switch runs Cisco IOS XE and can be integrated with Cisco DNA Center for intent-based networking, automation, monitoring, and policy enforcement, while also supporting CLI access for traditional management.
• Q: Are there security features built into the switch? A: Yes. The C9300-48UXM-E includes security features such as MACsec hardware encryption, 802.1X authentication, ACLs, and segmentation to protect data and control plane access across the network.
• Q: What are common deployment scenarios? A: Campus access, distribution layers, IoT and wireless AP convergence, high-demand edge services, and anywhere reliable, scalable Layer 2/Layer 3 access is required with centralized management.