Full English Description for Cisco C9300L-24UX-4X-A (Full official specification version)
1. Part Number Naming Breakdown
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C9300L: Catalyst 9300 Lite cost-optimized stackable fixed-uplink Layer 3 enterprise access switch platform, built on UADP 2.0 ASIC architecture
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24UX: 24-port UPOE RJ45 copper combination: 8 MultiGigabit 100M/1/2.5/5/10GBASE-T + 16 standard 10/100/1000BASE-T; all ports support Cisco UPOE up to 60W per port
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4X: 4 integrated fixed SFP+ uplink slots, supporting both 1G SFP and 10G SFP+ optical transceivers for high-speed aggregation uplinks
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A: Preloaded perpetual Network Advantage IOS XE software license tier, unlocks full enterprise routing, SD-Access fabric, advanced security and automation feature set
2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)
Cisco Catalyst C9300L-24UX-4X-A, 1RU stackable Layer3 campus access switch, 24-port UPOE copper (8×mGig 10G + 16×Gigabit), 4 fixed dual-rate 1G/10G SFP+ uplink interfaces, Network Advantage IOS XE license, StackWise-320 stacking, 1100W hot-swappable AC power supply, high-performance multi-gigabit PoE edge switch for Wi-Fi 6/6E, IP camera and SD-Access enterprise deployments.
3. Complete Product Overview Paragraph
The Cisco Catalyst C9300L-24UX-4X-A is a fixed-uplink stackable Layer 3 access switch within the Catalyst 9300 Lite portfolio, purpose-built for mid-to-large enterprise campuses, higher education facilities and high-density wireless branches requiring multi-gigabit edge connectivity, high-power UPOE and 10G uplink bandwidth. Equipped with a mixed bank of 8 MultiGigabit and 16 Gigabit UPOE downlink ports plus four built-in SFP+ dual-speed uplink ports, this chassis delivers wire-speed Layer 2 switching and full-featured enterprise Layer 3 routing enabled by the included Network Advantage license. It supports StackWise-320 stacking technology to group up to 8 identical switches into a single logical switching unit, provides abundant UPOE power budget via redundant hot-swappable AC power supplies, and natively integrates with Cisco DNA Center for zero-touch provisioning, end-to-end automation, telemetry visibility and SD-Access security group segmentation for unified wired and wireless fabric environments.
4. Detailed Hardware Interface Specifications
Downlink Copper Ports (24×RJ45 UPOE)
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8 × MultiGigabit ports: Auto-sensing 100 Mbps / 1 Gbps / 2.5 Gbps / 5 Gbps / 10 Gbps BASE-T, UPOE power delivery up to 60W per port
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16 × Gigabit ports: 10/100/1000BASE-T, compliant with 802.3af PoE, 802.3at PoE+ and Cisco proprietary UPOE
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Universal port features: Auto-MDI/MDI-X, EnergyWise intelligent power management, integrated cable diagnostics, voice VLAN prioritization
Fixed Uplink Interfaces
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4 onboard SFP+ slots supporting dual-rate 1G SFP and 10G SFP+ transceivers (SX, LX, ZX, LR, copper SFP-T/SFP+-T modules compatible)
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No modular uplink card slot; uplink ports are factory fixed and non-upgradable
Management & Auxiliary Ports
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USB Type-A storage port for offline IOS image upload, configuration backup and log export
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Dual console access: USB Type-C console port + Mini-USB B console port for local CLI administration
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UID beacon LED push-button for rapid physical device identification in rack environments
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Rear StackWise-320 stacking connectors (stack cables sold separately as optional accessories)
Power & Physical Form Factor
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Form Factor: 1RU standard 19-inch rack-mount chassis
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Power bay: Dual hot-swappable redundant AC power supply slots; factory pre-shipped with single 1100W AC PSU
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PoE power budget: Single 1100W PSU delivers total 880W UPOE capacity; dual redundant PSUs expand total PoE output for high-density wireless deployments
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Thermal design: Field-replaceable redundant fan trays with variable speed control for energy efficiency and fault tolerance
5. Core Hardware Performance Benchmarks
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Standalone Switching Capacity: 272 Gbps
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Standalone Forwarding Rate: 202.38 Mpps
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StackWise-320 maximum stacked backplane bandwidth: 592 Gbps (stack of up to 8 units)
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MAC Address Table Size: 32,000 MAC forwarding entries
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Shared Packet Buffer Memory: 32MB
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VLAN Support: Up to 4,094 802.1Q tagged VLANs; maximum 1,000 active STP VLANs & SVIs
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QoS Hardware Queues: 8 priority hardware queues per port, full DSCP & 802.1p CoS mapping
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Routing Table Scales: 32,000 IPv4 unicast routes, 16,000 IPv6 unicast routes, 8,000 multicast routes
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Jumbo Frame Support: Up to 9198-byte jumbo frames
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ACL Capacity: 5,120 ingress/egress ACL entries
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Flexible NetFlow: Supports up to 64,000 active flow records
6. Full Layer 2 Standard Feature Suite
IEEE 802.1Q VLAN trunking, IEEE 802.3ad LACP EtherChannel (max 8 ports per bundle), complete spanning tree suite including PVST+, RPVST+, MSTP with BPDU guard, root guard, loop guard and UDLD; LLDP and CDP device discovery, port security with sticky MAC learning, broadcast/multicast storm suppression, IGMP Snooping v1/v2/v3, SPAN/RSPAN port mirroring, private VLANs, 128-bit AES MACsec port encryption, voice VLAN auto-detection and prioritization.
7. Network Advantage (-A License) Exclusive Layer 3, Security & Fabric Features
Full Enterprise Dynamic Routing
Static IPv4/IPv6 routing, RIP, OSPFv2/v3, full EIGRP, BGP, IS-IS, PIM ASM/SSM multicast routing, VRRP, HSRP, GLBP gateway redundancy, inter-VLAN wire-speed routing, dual-stack IPv4/IPv6 forwarding, VRF-lite, policy-based routing (PBR), MPLS edge functionality.
Advanced Enterprise Security
IEEE 802.1X multi-domain/multi-host authentication, MAB MAC bypass authentication, DHCP snooping, Dynamic ARP Inspection (DAI), IP Source Guard, CoPP control-plane policing, TrustSec SGT tagging & segmentation, Adaptive Policy security group mapping, Encrypted Traffic Analytics (ETA), Cisco Secure Boot, hardware Trust Anchor Module, Umbrella DNS integration, RBAC multi-level admin access control, encrypted SSH/HTTPS/TLS management transport.
Automation, Visibility & SD-Access Fabric
Cisco DNA Center native integration, zero-touch provisioning (ZTP), NETCONF/RESTCONF/YANG/gRPC programmability, full Flexible NetFlow telemetry, SD-Access fabric support with up to 256 virtual networks, embedded Catalyst 9800 wireless controller (supports up to 50 Wi-Fi access points), ThousandEyes application performance monitoring integration, full stack-wide orchestration and unified wired/wireless policy management.
8. License Differentiator: Network Advantage (-A) vs Network Essentials (-E)
The suffix -A (Network Advantage) is Cisco’s top perpetual license tier for Catalyst 9300L switches, with critical feature upgrades over the entry-level -E Network Essentials:
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Complete advanced routing protocols: BGP, full EIGRP, MPLS, VRF-lite, policy-based routing unavailable on -E
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SD-Access fabric and TrustSec Adaptive Policy segmentation support exclusive to -A
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Encrypted Traffic Analytics (ETA), full DNA automation workflows and ThousandEyes integration
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Unlimited dynamic route table capacity without OSPF route count restrictions
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Unified wireless-wired fabric orchestration with Catalyst 9800 embedded WLC
All switches within a single StackWise stack must operate on identical license tiers for full stacking functionality.
9. Datasheet Short Summary Paragraph
The Cisco Catalyst C9300L-24UX-4X-A is a high-speed fixed 10G uplink stackable Layer 3 access switch optimized for multi-gigabit UPOE wireless edge deployments. It combines 8 MultiGigabit plus 16 Gigabit UPOE copper downlinks with four dual-rate SFP+ 1G/10G uplink ports, StackWise-320 high-bandwidth stacking, redundant power options, and the full-feature Network Advantage IOS XE license delivering complete enterprise routing, advanced security, DNA automation and native SD-Access fabric capabilities, ideal for modern campus, education and high-density Wi-Fi network access layers.
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