Full English Description for Cisco C9300L-48T-4X-E

1. Part Number Naming Breakdown

Model: C9300L-48T-4X-E

C9300L: Catalyst 9300 Lite cost-effective stackable fixed-uplink Layer 3 enterprise access switch built on UADP 2.0 ASIC architecture
48T: 48× 10/100/1000BASE-T non-PoE Gigabit RJ45 downlink ports, data-only without PoE power delivery
4X: 4 integrated fixed dual-rate SFP+ uplink slots, auto-negotiate 1G SFP and 10G SFP+ transceivers for high-speed fiber aggregation
E: Pre-installed perpetual Network Essentials IOS XE license tier, baseline entry feature set for standard campus, SMB and branch wired deployments without advanced routing, SD-Access fabric or TrustSec segmentation

2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)

Cisco Catalyst C9300L-48T-4X-E, 1RU stackable Layer3 non-PoE access switch, 48-port Gigabit RJ45 data downlinks, 4 fixed dual-rate 1G/10G SFP+ uplink interfaces, Network Essentials IOS XE license, StackWise-320 stacking support, factory pre-installed 350W AC power supply, budget high-density high-bandwidth wired edge switch for desktop PCs, thin clients and non-PoE campus endpoints requiring 10G uplink capacity.

3. Complete Product Overview Paragraph

The Cisco Catalyst C9300L-48T-4X-E is an economical high-density fixed-uplink stackable Layer 3 access switch in the Catalyst 9300 Lite portfolio, tailored for enterprise offices, classroom environments and remote branch sites with large volumes of non-PoE wired terminals including desktop computers, printers and thin clients. Equipped with 48 standard Gigabit copper downlink ports and four onboard dual-speed SFP+ uplink ports delivering native 10G aggregation bandwidth, this chassis delivers wire-speed Layer 2 switching and limited fundamental Layer 3 routing features enabled by the included Network Essentials license. It supports StackWise-320 stacking technology to combine up to 8 identical switches into one unified logical switching domain, adopts dual hot-swappable AC power supply bays without PoE power circuits, and provides basic monitoring, security and automation tools. This model lacks advanced routing protocols, SD-Access fabric and TrustSec segmentation capabilities exclusive to Network Advantage (-A) licensed switches.

4. Detailed Hardware Interface Specifications

Downlink Copper Ports (48×RJ45 Non-PoE)

48 × 10/100/1000BASE-T Gigabit Ethernet ports with zero PoE output
Auto speed negotiation, auto-MDI/MDI-X, built-in cable diagnostics, EnergyWise port power-saving for idle connections

Fixed Uplink Interfaces

4 onboard SFP+ dual-rate slots, compatible with 1G SFP and 10G SFP+ transceivers (SX, LX, ZX, LR, SFP-T / SFP+-T copper modules supported)
Uplink ports are factory fixed; no modular uplink card expansion slots available

Management & Auxiliary Ports

USB Type-A storage port for offline IOS image upload, configuration backup and log export
Dual console access: USB Type-C console port + Mini-USB B console port for local CLI management
UID beacon LED button for fast physical device identification in dense rack deployments
Rear dedicated StackWise-320 stacking connectors; stacking cable kits sold separately as optional accessories

Power & Physical Form Factor

Form Factor: 1RU standard 19-inch rack-mount chassis, dimensions 4.4 × 44.5 × 44.9 cm, weight 7.0 kg
Dual hot-swappable redundant AC power supply slots; factory shipped with single 350W AC PSU (PWR-C1-350WAC-P)
No PoE power budget hardware; power supply only sustains base switching system operation
Thermal design: Field-replaceable redundant variable-speed fan trays with overheat protection and fault status indicators

5. Core Hardware Performance Benchmarks

Standalone Switching Capacity: 176 Gbps
Standalone Forwarding Rate: 130.95 Mpps
StackWise-320 maximum stacked backplane bandwidth: 592 Gbps (stack of up to 8 C9300L switches)
MAC Address Table Size: 32,000 MAC forwarding entries
Shared Packet Buffer Memory: 16MB
Onboard Memory: 8GB DRAM, 16GB Flash storage
VLAN Support: Up to 4,094 802.1Q tagged VLANs; maximum 1,000 active STP VLANs & SVIs
QoS Hardware Queues: 8 priority hardware queues per port, full DSCP & 802.1p CoS mapping
Routing Table Scales: 32,000 total IPv4 unicast routes (OSPF limited to 1,000 learned routes), 16,000 IPv6 unicast routes, 8,000 multicast routes
Jumbo Frame Support: Up to 9198-byte jumbo frames
ACL Capacity: 5,120 ingress/egress ACL entries
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, 128-bit AES MACsec hardware port encryption, voice VLAN auto-detection and traffic prioritization.

7. Network Essentials (-E License) Supported Layer 3, Security & Automation Features

Supported Routing Protocols (With Scale Restrictions)

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, multi-level RBAC admin access control, TLS/SSH/HTTPS encrypted 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)

Advanced dynamic routing: Full EIGRP, BGP, IS-IS, MPLS, VRF-lite, policy-based routing (PBR)
Software-defined fabric: SD-Access, TrustSec SGT tagging, Adaptive Policy security group segmentation
Advanced analytics: Encrypted Traffic Analytics (ETA), full Model-Driven Telemetry, ThousandEyes integration
Unified wireless fabric: Embedded Catalyst 9800 WLC multi-site policy orchestration
256-bit MACsec encryption (only 128-bit MACsec available)

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, built for cost-sensitive basic wired access deployments. Key limitations compared with top-tier -A Network Advantage:

Restricted dynamic routing scale and no advanced routing protocols such as BGP, full EIGRP or MPLS
Incompatible with SD-Access fabric, TrustSec segmentation and zero-trust group-based policy control
Disabled advanced threat analytics and full DNA Center end-to-end automation workflows

All switches within a single StackWise stack must run identical license tiers to guarantee full stacking interoperability and consistent feature operation.

9. Datasheet Short Summary Paragraph

The Cisco Catalyst C9300L-48T-4X-E is a cost-effective high-density non-PoE stackable Layer 3 access switch equipped with 48 standard Gigabit data downlinks and four dual-rate SFP+ 1G/10G fixed uplink ports. Powered by the baseline Network Essentials IOS XE license, it delivers comprehensive Layer 2 switching, limited fundamental Layer 3 routing, fundamental security tools and basic network automation, backed by StackWise-320 high-speed stacking and redundant low-wattage AC power supplies. It is perfectly suited for standard office, classroom and branch edge networks that have no PoE power requirements, demand 10G uplink bandwidth, and do not need SD-Access fabric or advanced enterprise routing capabilities.


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