Full English Description for Cisco C9300L-48T-4G-A

1. Part Number Naming Breakdown

Model: C9300L-48T-4G-A

C9300L: Catalyst 9300 Lite stackable fixed-uplink Layer 3 enterprise access switch platform built on UADP 2.0 ASIC
48T: 48× 10/100/1000BASE-T Gigabit RJ45 copper ports without PoE power supply
4G: 4 integrated fixed 1G SFP uplink slots, only compatible with 1G SFP transceivers (10G SFP+ not supported)
A: Pre-loaded perpetual Network Advantage IOS XE software license tier, unlocks full enterprise routing, SD-Access fabric, advanced security and complete automation feature set

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

Cisco Catalyst C9300L-48T-4G-A, 1RU stackable Layer3 access switch, 48-port non-PoE Gigabit RJ45 downlinks, 4 fixed 1G SFP uplink interfaces, Network Advantage IOS XE license, StackWise-320 stacking, 715W AC power supply included, high-density wired edge switch for office PC, desktop and non-PoE endpoint campus deployments.

3. Complete Product Overview Paragraph

The Cisco Catalyst C9300L-48T-4G-A is a high-density fixed-uplink stackable Layer 3 access switch from the Catalyst 9300 Lite portfolio, designed for enterprise campus floor, office workspace and branch deployments with large volumes of non-PoE wired endpoints such as desktop PCs, thin clients and printers. Equipped with 48 standard Gigabit copper downlink ports and four built-in 1G SFP fiber uplinks, 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 aggregate up to 8 identical switches into a single logical switching unit, features hot-swappable redundant AC power supply bays without PoE power circuitry, and natively integrates with Cisco DNA Center for zero-touch provisioning, network automation, end-to-end telemetry and SD-Access security group segmentation for unified campus fabric environments.

4. Detailed Hardware Interface Specifications

Downlink Copper Ports (48×RJ45 Non-PoE)

48 × 10/100/1000BASE-T Gigabit Ethernet ports, no PoE power output
Auto-sensing speed, auto-MDI/MDI-X, integrated cable diagnostics, EnergyWise power saving mode for idle ports

Fixed Uplink Interfaces

4 onboard SFP slots exclusively for 1G SFP transceivers (SX, LX, ZX, SFP-T copper modules supported)
No compatibility with 10G SFP+ transceivers; uplink bandwidth limited to 1G per port

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 administration
UID beacon LED push-button for rapid physical device identification in rack cabinets
Rear StackWise-320 stacking connectors (stack cables sold separately as optional accessories)

Power & Physical Form Factor

Form Factor: 1RU standard 19-inch rack-mount chassis
Dual hot-swappable AC power supply slots; factory pre-shipped with single 715W AC PSU
No PoE power budget hardware; power supply only supplies switching system load
Thermal design: Field-replaceable redundant variable-speed fan trays with overheat fault protection

5. Core Hardware Performance Benchmarks

Standalone Switching Capacity: 272 Gbps
Standalone Forwarding Rate: 202.38 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: 32MB
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 IPv4 unicast 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 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 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 virtual network segmentation, embedded Catalyst 9800 wireless controller, ThousandEyes application performance monitoring integration, unified stack-wide orchestration.

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. Compared with entry-level -E Network Essentials:

Unlocks complete advanced routing protocols: BGP, full EIGRP, MPLS, VRF-lite, policy-based routing unavailable on -E
Native SD-Access fabric and TrustSec Adaptive Policy zero-trust segmentation support
Enables Encrypted Traffic Analytics (ETA), full DNA automation workflows and ThousandEyes integration
No OSPF dynamic route count limitation as seen in Network Essentials

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-48T-4G-A is a high-density non-PoE stackable Layer 3 access switch designed for desktop endpoint deployments. It provides 48 standard Gigabit downlink ports paired with four fixed 1G SFP uplink ports, StackWise-320 high-bandwidth stacking, redundant low-wattage AC power supplies, and the full-feature Network Advantage IOS XE license delivering complete enterprise routing, advanced security, DNA automation and SD-Access fabric capabilities, ideal for cost-effective high-density wired office access layers without PoE requirements.


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