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

1. Product Overview

2. Port Hardware Specifications

• Downlink Copper Ports: 24 × 10/100/1000BASE-T RJ45 data-only ports, auto-MDI/MDIX, auto-negotiation; no PoE power support, zero PoE budget
• Fixed Uplink Interfaces: 4 integrated Gigabit SFP slots, compatible with 1000BASE-SX, LX, ZX, BiDi and CWDM SFP transceivers for multi-mode and long-distance single-mode fiber uplink connections
• Stacking Interfaces: Dedicated rear StackWise-320 stacking ports delivering 320 Gbps bidirectional stacking bandwidth; supports stacking of up to 8 switches into a single 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 upgrade, 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 Rate: 279.76 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 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 and 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 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): 6.7 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
• A: Pre-activated Cisco DNA Network Advantage perpetual full-feature license tier

11. Typical Deployment Scenarios

1. Small-to-medium enterprise office wired access for desktops, laptops and data IoT terminals without PoE power demand
2. Branch office aggregation layer connecting local workstations to core via long-distance Gigabit fiber uplinks
3. Industrial workshop and lab environments for measurement sensors, test equipment and data acquisition terminals
4. IP surveillance backbone aggregation layer for non-PoE centralized NVR and storage server interconnection
5. SD-Access fabric access and intermediate node deployments requiring full TrustSec segmentation and advanced BGP routing

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
• -M (Meraki Cloud-Managed): Cloud subscription-based orchestration, split Meraki Enterprise/Advanced feature tiers without Cisco DNA perpetual licenses