The c930048ta Cisco Catalyst 9300 48 port data switch is designed for high-density access and aggregation scenarios, offering Layer 3 intelligence at the edge. Built for campus and branch environments, it combines robust security, scalable performance, and simplified management through Cisco DNA Center integration.
Organizations that consolidate access wiring closets often select this model to standardize on a unified campus fabric while maintaining strict policy enforcement and operational consistency across locations.
| Model | Ports | Forwarding Rate | Key Use Case |
|---|---|---|---|
| c930048ta Cisco Catalyst 9300 48 port | 48 x 10/100/1000BASE-T | 136 Gbps | Access layer with PoE++ |
| Catalyst 9300L-48P-4G | { "48 x 10/100/1000BASE-T + 4 x 10G SFP+", "144 Gbps", "High-density access uplink" }|||
| Catalyst 9300L-48G-4X | 48 x 10/100/1000BASE-T + 4 x 10GBASE-X | 144 Gbps | Flex uplink for aggregation |
| Catalyst 9300-48P | 48 x 10/100/1000BASE-T + 2 x 10G uplink | 136 Gbps | PoE++ with compact form factor |
Access Layer Performance and Scale
At the access layer, the c930048ta Cisco Catalyst 9300 48 port data switch delivers wire-speed access for dozens of endpoints and APs. With up to 136 Gbps switching capacity, it supports heavy simultaneous traffic flows such as video, IoT, and bulk data transfers without microburst loss.
Each port can leverage Cisco Ultra-StackPlus technology for high-resiliency stacking, enabling a logical switch that simplifies operations while preserving low-latency local switching across edge devices.
Power over Ethernet and Device Support
PoE++ capabilities on all 48 ports enable flexible placement of IP phones, wireless APs, cameras, and endpoint devices without additional power infrastructure. The switch intelligently manages power budgets, ensuring critical devices remain online during peak demand.
- Up to 740W total system power
- Per-port power classes optimized by policy
- Support for Cisco Catalyst 9000 series features set
- Energy Efficient Ethernet for reduced TCO
Security, Compliance, and Trust Anchors
Security capabilities start at the firmware level with secure boot, signed firmware images, and role-based access control. These features establish trust anchors that align with zero trust campus models and help satisfy audit and compliance requirements.
Integrated MACsec and Dynamic ARP Inspection protect against Layer 2 attacks, while port security and DHCP snooping further reduce the risk of rogue devices and man-in-the-middle attempts on the campus network.
Management and Operational Consistency
Through Cisco DNA Center, administrators deploy policies, monitor health, and automate updates across the c930048ta Cisco Catalyst 9300 48 port data switch fabric from a centralized console. Model-driven telemetry and intent-based management reduce manual CLI work and accelerate troubleshooting during incidents.
NetFlow, Telemetry Streaming, and integration with third-party analytics platforms provide deep visibility into application performance, user behavior, and anomalies, enabling data-driven capacity planning and security response.
Strategic Campus Adoption and Roadmap Alignment
Deploying the c930048ta Cisco Catalyst 9300 48 port data switch positions organizations for future campus innovations, including Wi-Fi 6/6E/7 integration, SASE edge convergence, and enhanced SD-Access segmentation.
By aligning access layer refresh cycles with application modernization plans, teams can maximize uptime, reduce redundant tooling, and establish a consistent policy framework that extends into branch and data center environments.
- Consolidate access layer hardware under a single image family
- Enable zero trust microsegmentation at the switch port
- Automate provisioning with Cisco DNA Center templates
- Monitor energy usage and port utilization for TCO optimization
- Plan staged migrations to minimize service disruption
FAQ
Reader questions
Can this switch replace older Catalyst 300 or 2960 gear in a campus rollout?
Yes, the c930048ta Cisco Catalyst 9300 48 port data switch is designed as a modern replacement that maintains port density while adding Layer 3 intelligence, enhanced security, and cloud-managed simplicity.
What power and cooling considerations apply to a 48-port full PoE++ load?
Plan for redundant power supplies and adequate circuit capacity to handle up to 740W system power, and verify raised-floor or airflow requirements in the target environment to maintain optimal operating temperatures.
How does stacking work when using the Cisco Catalyst 9300 48 port chassis?
Ultra-StackPlus enables logical switch stacking with unified management and control-plane redundancy, allowing multiple units to behave like one device while preserving low-latency Layer 2/3 flows across ports.
Is MACsec supported on all 48 ports, and what performance impact should be expected?
MACsec is supported in hardware across the fixed ports with minimal performance impact, typically under 10% throughput overhead, while encrypted traffic still benefits from full wire-speed forwarding.