Full Official English Description – Cisco Catalyst C9300L-24T-4X-A

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; no PoE power circuits, zero PoE power budget
• Fixed Integrated Uplinks: 4 built-in SFP+ slots, dual-rate 1G/10G capable, compatible with 1000BASE-SX/LX and 10GBASE-SR/LR/LRM/ZR transceivers as well as 10G DAC copper cables for high-speed upstream interconnections
• Stacking Interfaces: Dedicated rear StackWise-320 stacking ports delivering 320 Gbps bidirectional stacking bandwidth; supports stacking of up to 8 switches into one unified logical switching domainCisco
• 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: 176 Gbps
• Standalone Line-Rate Forwarding Rate: 130.95 Mpps
• Aggregated Full Stack Bandwidth: Up to 496 Gbps
• Stack Aggregated Forwarding Throughput: 369.05 Mpps
• MAC Address Table Capacity: 32,000 MAC forwarding entries
• IPv4 Routing Table: 32,000 route entries (24,000 direct routes + 8,000 indirect routes)
• IPv6 Routing Table: 16,000 route entries
• Multicast Group Table: 8,000 multicast group entries
• Shared Hardware Packet Buffer: 16 MB buffer for absorbing 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: ~72W 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 Enterprise Security (Full Feature Set Unlocked by Network Advantage)

• MACsec 256-bit AES hardware link encryption supported on all copper downlinks and SFP+ fiber uplink ports
• Encrypted Traffic Analytics (ETA) for AI-powered hidden malware detection within encrypted application flows
• Trustworthy Systems secure boot, runtime integrity verification and digital firmware authenticity validation via onboard Trust Anchor Module
• TrustSec SGT group-based microsegmentation for end-to-end SD-Access fabric policy enforcement
• Endpoint Authentication Suite: IEEE 802.1X, MAB, captive WebAuth multi-factor 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 NETCONF/YANG streaming telemetry channels
• On-box containerized application hosting for local security and automation workloads

7. Layer 2 & Layer 3 Protocol Support

Full Layer 2 Feature Set

Complete Advanced Layer 3 Routing Suite (Exclusive to -A License Tier)

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 Advantage
  Unlocks complete enterprise feature portfolio: SD-Access fabric architecture, ETA malware analytics, TrustSec microsegmentation, full BGP/PBR advanced routing, containerized application hosting, ThousandEyes synthetic network monitoring, advanced streaming telemetry and full Layer 3 protocol suite
• Supported Management Interfaces:
  Local CLI via console/SSH, embedded web UI, Cisco Catalyst Center (DNA Center), Cisco Prime Infrastructure, Zero-Touch Provisioning (ZTP)
• Programmability: RESTCONF, NETCONF/YANG streaming telemetry, on-box Python guest shell, container hosting for local automation workloads

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): 6.8 kg (14.99 lbs)
• Operating Ambient Temperature: 0°C ~ +45°C
• Storage Temperature: -40°C ~ +70°C
• Operating Humidity: 5% – 90% non-condensing
• Typical MTBF Rating: 387,700 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
• 4X: Four fixed dual-rate 1G/10G SFP+ fiber uplink ports
• A: Pre-activated Cisco DNA Network Advantage perpetual full-feature license tier

11. Typical Deployment Scenarios

1. Small & medium enterprise office wired access for desktops, laptops and non-PoE data IoT terminals with 10G high-speed uplink requirements to distribution layers
2. Mid-sized branch office aggregation layer connecting local workstations to campus core via low-latency 10G fiber uplinks
3. Education labs, industrial workshops and test environments for data acquisition equipment and measurement sensors requiring high upstream bandwidth
4. IP surveillance backbone aggregation layer linking centralized NVR, storage servers and monitoring workstations with 10G inter-switch connectivity
5. SD-Access fabric access and intermediate node deployments requiring full TrustSec segmentation, advanced BGP routing and encrypted traffic analytics

Key Distinction Note

• -A (Network Advantage): On-prem DNA Center managed, perpetual full-feature license with advanced routing, ETA analytics and SD-Access fabric support
• -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
• -M (Meraki Cloud-Managed): Cloud subscription-based orchestration, split Meraki Enterprise/Advanced feature tiers without Cisco DNA perpetual licenses