Full English Description for Cisco C9300L-48P-4X-A
1. Part Number Naming Breakdown
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C9300L: Catalyst 9300 Lite stackable fixed-uplink Layer 3 enterprise access switch platform built on UADP 2.0 ASIC
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48P: 48× 10/100/1000BASE-T Gigabit RJ45 PoE+ ports compliant with IEEE 802.3at, supporting up to 30W power delivery per port
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4X: 4 integrated fixed dual-rate SFP+ uplink slots, auto-compatible with both 1G SFP and 10G SFP+ transceivers for high-speed fiber aggregation
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A: Preloaded perpetual Network Advantage IOS XE software license tier, unlocking full enterprise routing suite, SD-Access fabric, advanced security and end-to-end network automation capabilities
2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)
Cisco Catalyst C9300L-48P-4X-A, 1RU stackable Layer3 PoE+ access switch, 48-port Gigabit PoE+ RJ45 downlinks with 505W PoE power budget, 4 fixed dual-rate 1G/10G SFP+ uplink interfaces, Network Advantage IOS XE license, StackWise-320 stacking support, factory pre-installed 715W AC power supply, high-density PoE edge switch for IP phones, Wi-Fi APs, IP cameras and IoT devices requiring 10G uplink aggregation bandwidth.
3. Complete Product Overview Paragraph
The Cisco Catalyst C9300L-48P-4X-A is a high-density fixed-uplink stackable Layer 3 PoE+ access switch within the Catalyst 9300 Lite product lineup, designed for enterprise campuses, corporate offices, education facilities and branch sites with large-scale deployments of powered edge endpoints including VoIP phones, Wi-Fi 6 wireless access points, IP surveillance cameras and medium-power IoT sensors. Equipped with 48 standard Gigabit PoE+ copper downlink ports and four built-in dual-speed SFP+ uplink ports supporting native 10G aggregation bandwidth, 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 combine up to 8 identical switches into a single logical switching stack, features dual hot-swappable 715W AC power supply bays delivering a base 505W PoE+ power budget, and natively integrates with Cisco DNA Center for zero-touch provisioning, unified network automation, full flow telemetry and SD-Access TrustSec security group segmentation for software-defined campus fabric architectures.
4. Detailed Hardware Interface Specifications
Downlink Copper Ports (48×RJ45 PoE+)
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48 × 10/100/1000BASE-T Gigabit Ethernet ports, IEEE 802.3at PoE+ standard, maximum 30W power output per individual port
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Auto speed negotiation, auto-MDI/MDI-X, integrated cable diagnostics, EnergyWise intelligent PoE power management to cut power consumption for idle endpoints
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Hardware-native support for 128-bit and 256-bit AES MACsec port encryption
Fixed Uplink Interfaces
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4 onboard dual-rate SFP+ slots supporting 1G SFP and 10G SFP+ transceivers, compatible with SX, LX, ZX, LR, copper SFP-T and SFP+-T DAC modules
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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 system 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 deployments
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Rear dedicated StackWise-320 stacking connectors; stacking cable kits 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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Dual hot-swappable redundant AC power supply slots; factory pre-shipped with single 715W AC PSU (PWR-C1-715WAC-P)
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PoE power budget: Single 715W PSU provides total 505W PoE+ capacity; dual redundant PSUs expand total PoE output for high-density powered device deployments
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Thermal design: Field-replaceable redundant variable-speed fan trays with overheat fault protection and front-panel LED status indicators
5. Core Hardware Performance Benchmarks
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Standalone Switching Capacity: 176 Gbps
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Standalone Forwarding Rate: 130.95 Mpps
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StackWise-320 maximum stacked backplane bandwidth: 592 Gbps (stack of up to 8 C9300L switches)
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MAC Address Table Size: 32,000 MAC forwarding entries
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Shared Packet Buffer Memory: 16MB
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Onboard Memory: 8GB DRAM, 16GB Flash storage
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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 unified device discovery inventory, port security with sticky MAC allowlist learning, broadcast/multicast storm suppression, IGMP Snooping v1/v2/v3, SPAN/RSPAN remote port mirroring, private VLANs, voice VLAN auto-detection and traffic prioritization, hardware MACsec link encryption.
7. Network Advantage (-A License) Exclusive Layer 3, Security & Fabric Features
Full Enterprise Dynamic Routing Protocols
Static IPv4/IPv6 routing, RIP, OSPFv2/v3, full EIGRP, BGP, IS-IS, PIM ASM/SSM multicast routing, VRRP, HSRP, GLBP gateway redundancy, wire-speed inter-VLAN routing, dual-stack IPv4/IPv6 forwarding, VRF-lite, policy-based routing (PBR), MPLS edge functionality.
Advanced Enterprise Security Toolset
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 & end-to-end segmentation, Adaptive Policy security group mapping, Encrypted Traffic Analytics (ETA), Cisco Secure Boot, hardware Trust Anchor Module, Cisco Umbrella DNS integration, multi-level RBAC admin access control, TLS/SSH/HTTPS encrypted management transport.
Automation, Visibility & SD-Access Fabric Capabilities
Native Cisco DNA Center integration, zero-touch provisioning (ZTP), NETCONF/RESTCONF/YANG/gRPC model-driven programmability, full Flexible NetFlow telemetry, complete SD-Access fabric support with virtual network segmentation, embedded Catalyst 9800 wireless controller, ThousandEyes application performance monitoring integration, unified stack-wide policy orchestration and cross-site topology visualization.
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 fixed-uplink switches, with critical feature upgrades over entry-level -E Network Essentials:
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Unlocks advanced routing protocols unavailable on -E: BGP, full EIGRP, MPLS, VRF-lite, policy-based routing
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Native SD-Access fabric and TrustSec Adaptive Policy zero-trust segmentation support exclusive to -A models
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Enables Encrypted Traffic Analytics (ETA), full DNA Center automation workflows and ThousandEyes application monitoring
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No OSPF dynamic route count limitation (Network Essentials caps OSPF learned routes at 1,000)
All switches within a single StackWise stack must deploy identical license tiers to guarantee full stacking interoperability and consistent feature operation.
9. Datasheet Short Summary Paragraph
The Cisco Catalyst C9300L-48P-4X-A is a high-density PoE+ stackable Layer 3 access switch equipped with 48 standard Gigabit PoE+ downlinks and four dual-rate SFP+ 1G/10G fixed uplink ports. Powered by the full-feature Network Advantage IOS XE license, it delivers comprehensive Layer 2 switching, complete enterprise Layer 3 routing, advanced threat security, full DNA automation and native SD-Access fabric segmentation, supported by StackWise-320 high-speed stacking and redundant 715W AC power supplies with a 505W PoE+ power budget. It is the ideal wired edge solution for campus, corporate office and branch networks with high volumes of IP phones, wireless APs and surveillance cameras that require high-performance 10G uplink aggregation and full software-defined fabric functionality.
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