Cisco C9300-48UN-E – Catalyst 9300 Series 48-Port Multigigabit Switch
The Cisco C9300-48UN-E Catalyst 9300 Series Switch is an enterprise-class, stackable access switch built for high-speed, secure, and scalable network connectivity. Featuring 48 Multigigabit 5Gbps Ethernet ports with support for PoE/PoE+ and Cisco UPOE, it delivers exceptional performance for bandwidth-intensive applications such as Wi-Fi 6/6E deployments, high-definition video, and IoT devices.
With StackWise-1T technology, the C9300-48UN-E supports up to 1 Tbps stacking bandwidth and scales seamlessly up to 8 switches, ensuring high availability and simplified management. Modular uplink options (1G, 10G, 25G, 40G, 100G) provide flexible connectivity to meet growing network demands.
Powered by Cisco IOS XE and integrated with Cisco DNA Center, this switch offers advanced automation, analytics, and security features including MACsec-256 encryption, TrustSec, and 802.1X network access control. Designed for modern enterprise networks, the C9300-48UN-E is ideal for large campuses, data centers, and high-density environments.
| Specification |
Details |
| Form Factor |
1RU rack-mountable switch |
| Total Ports |
48 × Multigigabit 5Gbps Ethernet ports |
| Uplink Options |
Modular uplink slots supporting 1G, 10G, 25G, 40G, 100G modules |
| Switching Capacity |
Up to 880 Gbps (varies with configuration) |
| Forwarding Rate |
Up to 654.76 Mpps |
| Stacking Technology |
StackWise-1T with up to 1 Tbps stacking bandwidth |
| Stacking Limit |
Up to 8 switches |
| Multigigabit Support |
48 × 100M/1G/2.5G/5G Ethernet ports |
| Redundancy |
Supports StackPower for power resiliency and redundant power supplies |
| PoE/PoE+ Support |
PoE/PoE+ and Cisco UPOE supported (up to 90W per port) |
| Network Ports |
48 × RJ45 Multigigabit ports + modular uplinks |
| Management Interfaces |
CLI, SNMP, Web UI, Cisco DNA Center, NETCONF/RESTCONF APIs |
| Software |
Cisco IOS XE, upgradable via Cisco DNA subscriptions |
| Security Features |
MACsec-256 encryption, TrustSec, 802.1X, DHCP Snooping, Dynamic ARP Inspection |
| Power Consumption |
Varies by configuration and PoE load |
| Operating Temperature |
0°C to 45°C (standard) |
| Storage Temperature |
-40°C to 70°C |
| Relative Humidity |
5% to 90% non-condensing |
| MTBF |
Up to 292,250 hours (varies by config) |
| Dimensions (H × W × D) |
1.73 × 17.5 × 17.5 in (4.4 × 44.5 × 44.5 cm) |
| Weight |
Approx. 16.3 lbs (7.4 kg) |
FAQs for Cisco C9300-48UN-E
1. What is the primary function of the C9300-48UN-E?
It serves as a high-speed enterprise access switch with multigigabit capabilities.
2. What stacking options does it support?
It supports StackWise-1T for up to 1TB of stacking bandwidth.
3. How does the C9300 improve network scalability?
It offers modular uplink options and advanced automation features.
4. Is this switch suitable for high-density deployments?
Yes, it is designed for enterprise networks requiring high-speed connectivity.
5. What management options are available?
It supports CLI, SNMP, and Cisco DNA Center for streamlined network operations.
