Full Official English Description – Cisco Catalyst C9300L-24T-4G-E

1. Product Overview

2. Port Hardware Specifications

• Downlink Copper Ports: 24 × 10/100/1000BASE-T RJ45 data-only ports, auto-MDI/MDIX, auto-speed negotiation; zero PoE power support, no PoE budget
• Fixed Integrated Uplinks: 4 built-in Gigabit SFP slots, compatible with 1000BASE-SX, LX, ZX, BiDi and CWDM SFP transceivers for multi-mode and long-distance single-mode fiber interconnections
• Stacking Interfaces: Dedicated rear StackWise-320 stacking ports with 320 Gbps bidirectional stacking bandwidth; supports stacking up to 8 switches into a single unified logical switching domain
• Management Interfaces:
  1 × RJ45 serial console port, 1 × USB Type-A console port
  1 × 1G out-of-band management Ethernet port
  1 × USB 3.0 storage port for offline firmware upgrades, log export and local configuration backup
• Onboard Memory & Storage: 8 GB DDR4 DRAM, 16 GB internal flash memory

3. Switching & Forwarding Performance

• Standalone Full-Duplex Switching Capacity: 56 Gbps
• Standalone Line-Rate Forwarding Rate: 41.66 Mpps
• Aggregated Full Stack Bandwidth: Up to 376 Gbps
• Stack Aggregated Forwarding Throughput: 279.76 Mpps
• MAC Address Table Capacity: 32,000 MAC forwarding entries
• IPv4 Routing Table: 32,000 route entries
• IPv6 Routing Table: 16,000 route entries
• Multicast Group Table: 8,000 multicast group entries
• Shared Hardware Packet Buffer: 16 MB buffer to absorb bursty office, lab and backbone traffic
• Hardware ACL Scale: 5,120 ingress rules + 5,120 egress ACL rules
• Flexible NetFlow Flow Table: 64,000 flow entries
• Jumbo Frame Support: Up to 9198 bytes
• Maximum Switched Virtual Interfaces (SVIs): 1000 SVIs for inter-VLAN routing

4. Power & Thermal Architecture

• Power Supply Support: 1 or 2 hot-swappable Platinum-efficiency AC power supplies with OIR (Online Insertion and Removal); factory default ships with single 350W AC PSU (PWR-C1-350WAC-P)
• StackPower Technology: Cross-stack power resource pooling in ring topology, dynamic power load balancing and N+1 power redundancy across stack members
• Cooling System: 3 field-replaceable variable-speed hot-swap fans with redundant cooling design, low acoustic noise for office rack room deployment
• Universal Input Voltage: 100–240V AC, 50/60Hz mains input
• Typical Idle Power Consumption: ~65W under standard operating load

5. Stacking & High Availability Technology

• StackWise-320: 320 Gbps high-speed stacking backplane, sub-50ms traffic convergence during stack member hardware failure
• SSO/NSF: Stateful Switchover and Nonstop Forwarding to eliminate service interruption during stack supervisor role failover
• Mixed Stack Compatibility: Fully inter-stackable with all Catalyst 9300L series switches (T/P/PF/UXG fixed-port variants), unified single logical management domain under DNA Center
• Cross-stack EtherChannel, Flexlink+ and Extended Fast Software Upgrade supported for stack-level resiliency

6. Hardware-Accelerated Baseline Security (Network Essentials Restricted Feature Set)

• MACsec 256-bit AES hardware link encryption supported on all copper downlinks and SFP fiber uplink ports
• Trustworthy Systems secure boot, runtime integrity verification and digital firmware authenticity validation via onboard Trust Anchor Module
• Endpoint Authentication Suite: IEEE 802.1X, MAB, basic WebAuth captive portal access control
• Layer 2 Threat Mitigation: Dynamic ARP Inspection (DAI), DHCP Snooping, IP Source Guard, BPDU Guard, broadcast/multicast storm suppression
• Secure Management Transport: SSH, HTTPS, SNMPv3 encrypted communication channels
  Critical License Limitations: Encrypted Traffic Analytics (ETA), TrustSec SGT microsegmentation, SD-Access fabric architecture, containerized application hosting, Cisco Umbrella DNS filtering and ThousandEyes synthetic monitoring are unavailable and require Network Advantage license upgradeCisco.

7. Layer 2 & Layer 3 Protocol Support

Full Layer 2 Feature Set

Restricted Lightweight Layer 3 Routing Suite (Limited by Essentials License)

8. Software & Cisco DNA Licensing Ecosystem

• Operating System: Cisco IOS XE universal switch image (17.x release train)
• Preinstalled Perpetual License Tier: Cisco DNA Network Essentials
  Core feature coverage includes complete Layer 2 switching, lightweight Layer 3 routing, basic telemetry, zero-touch provisioning, standard QoS and baseline DNA Center integration. It excludes advanced security analytics, fabric segmentation, full dynamic routing and container workload hosting.
• Supported Management Interfaces:
  Local CLI via console/SSH, embedded web UI, Cisco Catalyst Center (DNA Center), Cisco Prime Infrastructure, Zero-Touch Provisioning (ZTP)
• Programmability: Basic NETCONF/YANG streaming telemetry, limited-function on-box Python guest shell; RESTCONF API access is restricted under Essentials license.

9. Physical & Environmental Specifications

• Form Factor: 1 Rack Unit (1RU) standard 19-inch EIA rack-mount chassis
• External Dimensions: 445 mm (W) × 410 mm (D) × 44 mm (H) / 17.5 × 16.1 × 1.73 inches
• Chassis Weight (single PSU installed): 6.7 kg (14.77 lbs)
• Operating Ambient Temperature: 0°C ~ +45°C
• Storage Temperature: -40°C ~ +70°C
• Operating Humidity: 5% – 90% non-condensing
• Typical MTBF Rating: 212,350 hours under standard factory operating conditions
• Compliance Certifications: UL, CSA, CE, FCC Class A, ICES-003, RoHS, TAA compliant

10. Model Naming Breakdown

• C9300L: Catalyst 9300 Lite cost-optimized fixed-uplink stackable switching platform with StackWise-320
• 24T: 24-port 10/100/1000BASE-T data-only non-PoE copper downlinks
• 4G: Four fixed Gigabit SFP fiber uplink ports
• E: Pre-activated Cisco DNA Network Essentials perpetual baseline license tier

11. Typical Deployment Scenarios

1. Small & medium enterprise office wired access for desktops, laptops and non-PoE data IoT terminals
2. Small branch office access layer connecting local workstations to core via low-cost Gigabit fiber uplinks
3. Education labs, industrial workshops and test environments for data acquisition equipment and measurement sensors
4. IP surveillance backbone aggregation layer linking centralized NVR, storage servers and monitoring workstations
5. Cost-sensitive entry-level wired access without SD-Access fabric, complex multi-protocol routing or advanced threat analytics demands

Key Distinction Note

• -E (Network Essentials): On-prem DNA Center managed, baseline perpetual license with limited Layer 3 routing and no advanced security/fabric features, lower upfront procurement cost
• -A (Network Advantage): On-prem DNA Center managed, full-feature perpetual license with ETA analytics, TrustSec segmentation, BGP/EIGRP and SD-Access fabric support
• -M (Meraki Cloud-Managed): Cloud subscription-based orchestration, split Meraki Enterprise/Advanced feature tiers without Cisco DNA perpetual licenses