Full English Description for Cisco C9300L-24UX-4X-E
1. Official Part Number Naming Breakdown
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C9300L: Catalyst 9300 Lite cost-effective fixed-uplink stackable Layer 3 enterprise access switch platform, powered by UADP 2.0 ASIC
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24UX: 24 UPOE RJ45 downlink ports, consisting of 8 MultiGigabit 100M/1/2.5/5/10GBASE-T + 16 standard 10/100/1000BASE-T; every port supports Cisco UPOE delivering up to 60W per port
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4X: 4 integrated fixed dual-rate SFP+ uplink slots, compatible with both 1G SFP and 10G SFP+ optical transceivers for high-speed aggregation
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E: Pre-installed perpetual Network Essentials IOS XE license tier, entry baseline feature set for standard campus, branch and SMB wired edge deployments
2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)
Cisco Catalyst C9300L-24UX-4X-E, 1RU stackable Layer3 access switch, 24-port UPOE copper (8×mGig 10G + 16×Gigabit), 4 fixed 1G/10G dual-rate SFP+ uplink interfaces, Network Essentials IOS XE license, StackWise-320 stacking, 1100W hot-swappable AC power supply, budget multi-gigabit PoE edge switch for Wi-Fi 6/6E, IP camera and standard campus deployments without SD-Access or advanced enterprise routing.
3. Complete Product Overview Paragraph
The Cisco Catalyst C9300L-24UX-4X-E is an affordable fixed-uplink stackable Layer 3 access switch in the Catalyst 9300 Lite portfolio, designed for small-to-mid enterprises, educational sites and remote branch offices requiring multi-gigabit wired speeds, high-power UPOE and flexible 10G-capable uplink bandwidth. It features a mixed bank of 8 MultiGigabit and 16 Gigabit UPOE downlink ports plus four built-in SFP+ dual-speed uplink ports, delivering wire-speed Layer 2 switching and limited baseline Layer 3 routing unlocked by the included Network Essentials license. The chassis supports StackWise-320 stacking to aggregate up to 8 identical switches into one logical switching domain, provides ample UPOE power budget via dual hot-swappable AC power supply bays, and offers basic automation, monitoring and security functions. This model lacks advanced enterprise routing, SD-Access fabric segmentation and TrustSec capabilities reserved for Network Advantage (-A) licensed switches.
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 IEEE 802.3af PoE, 802.3at PoE+ and Cisco proprietary UPOE
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Universal port functions: 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 with dual-rate auto-negotiation: support 1G SFP and 10G SFP+ transceivers (SX, LX, ZX, LR, copper SFP-T/SFP+-T compatible)
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Uplink ports are factory fixed; no modular uplink card expansion slots available
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 dense 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 variable-speed fan trays for energy efficiency and hardware 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 C9300L 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 total IPv4 unicast routes (OSPF capped at 1,000 learned 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
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Onboard Memory: 8GB DRAM, 16GB Flash storage
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 Essentials (-E License) Supported Layer 3, Security & Automation Features
Supported Routing Protocols (With Scale Limitations)
Static IPv4/IPv6 routing, RIP, OSPFv2/v3 (capped at 1,000 learned routes), EIGRP Stub only, PIM Sparse-Dense Mode stub multicast, VRRP gateway redundancy, inter-VLAN wire-speed routing, dual-stack IPv4/IPv6 forwarding.
Baseline 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, Cisco Secure Boot, hardware Trust Anchor Module, RBAC multi-level admin access control, encrypted SSH/HTTPS/TLS management transport.
Basic Automation, Visibility & Monitoring
SNMP v1/v2c/v3, IP SLA Responder, sampled Flexible NetFlow telemetry, NETCONF/RESTCONF/YANG/gRPC programmability, zero-touch provisioning (ZTP), limited Cisco DNA Center visibility without full fabric orchestration, local logging and on-box diagnostics.
Critical Features Excluded from Network Essentials (-E)
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Advanced dynamic routing: Full EIGRP, BGP, IS-IS, MPLS, VRF-lite, policy-based routing (PBR)
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Software-defined fabric: SD-Access, TrustSec SGT tagging, Adaptive Policy security group segmentation
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Advanced analytics: Encrypted Traffic Analytics (ETA), full Model-Driven Telemetry, ThousandEyes integration
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Unified wireless fabric: Embedded Catalyst 9800 WLC multi-site policy orchestration
8. License Differentiator: Network Essentials (-E) vs Network Advantage (-A)
The suffix -E (Network Essentials) is Cisco’s entry perpetual license tier for Catalyst 9300L switches, designed for cost-sensitive deployments with basic Layer 2/3 requirements. Key limitations compared to top-tier -A Network Advantage:
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Restricted dynamic routing scale and no advanced routing protocols like BGP, full EIGRP or MPLS
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Incompatible with SD-Access fabric, TrustSec segmentation and zero-trust group-based policy
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Missing advanced threat analytics and full DNA Center automation workflows
All switches within a single StackWise stack must operate on identical license tiers for full stacking interoperability.
9. Datasheet Short Summary Paragraph
The Cisco Catalyst C9300L-24UX-4X-E is a budget-friendly stackable Layer 3 access switch equipped with multi-gigabit UPOE downlinks and dual-rate SFP+ 1G/10G fixed uplinks. Powered by the Network Essentials IOS XE license, it delivers complete Layer 2 switching, limited baseline Layer 3 routing, fundamental security tools and basic network automation, supported by StackWise-320 high-speed stacking and redundant UPOE power supplies. It is ideal for standard wired campus, SMB and branch edge networks that do not require SD-Access fabric or advanced enterprise routing functionality.
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