Full English Description for Cisco C9300LM-48T-4G-A (Official Standard SKU: C9300L-48T-4G-M; C9300LM is market shorthand for Meraki cloud-managed C9300L-M hardware)

1. Part Number Naming Breakdown

Model: C9300LM-48T-4G-A

C9300LM: Catalyst 9300 Lite Meraki cloud-native stackable fixed-uplink Layer 3 enterprise access switch, built on UADP 2.0 ASIC hardware platform fully orchestrated via Meraki Dashboard cloud control plane
48T: 48 × 10/100/1000BASE-T Gigabit RJ45 data-only downlink ports, no PoE power delivery capability
4G: 4 integrated fixed 1G SFP uplink slots, only compatible with 1G SFP optical/copper transceivers; 10G SFP+ modules are not supported
A: Hardware qualified for Meraki Advanced tier renewable term subscription license, unlocking full premium feature suite: unlimited OSPF routes, Adaptive Policy zero-trust segmentation, Encrypted Traffic Analytics (ETA), full unsampled IPFIX and 256-bit AES MACsec encryption. All C9300LM switches rely on time-based Meraki Catalyst cloud subscriptions instead of permanent on-prem IOS XE perpetual licenses

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

Cisco Catalyst C9300LM-48T-4G-A, 1RU stackable Meraki cloud-managed Layer3 non-PoE Gigabit access switch, 48-port data-only 10/100/1000BASE-T RJ45 downlinks with zero PoE power budget, 4 fixed 1G SFP fiber uplink interfaces, Meraki Advanced subscription eligible, StackWise-320 stacking support, factory pre-installed 350W AC power supply, single-pane Meraki Dashboard cloud management for multi-site office, classroom and branch wired workgroups with PCs, printers and servers requiring low-cost 1G fiber aggregation uplinks.

3. Complete Product Overview Paragraph

The Cisco Catalyst C9300LM-48T-4G-A is a high-density data-only fixed-uplink stackable Layer 3 edge switch within the Catalyst 9300LM Meraki cloud-managed portfolio, engineered for large corporate office workspaces, K-12 education classroom desktop fleets, medium branch server closets and dense workstation deployments without PoE-powered endpoints. Equipped with 48 non-PoE Gigabit copper RJ45 downlink ports and four dedicated 1G SFP fiber uplink ports, this chassis shares identical wire-speed forwarding hardware performance with on-prem IOS XE C9300L-48T-4G-A switches, yet all configuration, batch firmware upgrades, real-time monitoring, fault alerting and security policy management are fully centralized exclusively via the Meraki cloud dashboard rather than local CLI or Cisco DNA Center. It supports StackWise-320 stacking technology to aggregate up to 8 identical C9300LM switches into a single unified logical stack with 320Gbps dedicated stacking bandwidth, features dual hot-swappable 350W AC power supply slots for power redundancy, and delivers native cross-platform policy synchronization alongside Meraki MR wireless access points and MX security gateways in one centralized cloud console. Meraki zero-touch provisioning (ZTP), remote cable diagnostics, cross-site topology visualization, Adaptive Policy zero-trust segmentation and Encrypted Traffic Analytics (ETA) are all fully activated under the Meraki Advanced subscription tier compatible with this -A hardware model.

4. Detailed Hardware Interface Specifications

Downlink Copper Ports (48×Data-only Gigabit RJ45)

48 × 10/100/1000BASE-T Gigabit Ethernet ports, pure data transmission design with zero PoE power output
Auto speed negotiation, auto-MDI/MDI-X, integrated built-in cable diagnostic tools for remote line testing
Hardware supports 128-bit AES MACsec link encryption; full 256-bit AES MACsec encryption unlocked exclusively under Meraki Advanced subscription license

Fixed Uplink Interfaces

4 dedicated onboard SFP slots exclusively for 1G SFP transceivers (SX, LX, ZX, SFP-T copper RJ45 SFP modules supported)
Fully incompatible with any 10G SFP+ optical or copper transceivers; each uplink port limited to maximum 1Gbps bandwidth
No modular uplink card expansion slots available

Stacking Interfaces

Dual rear dedicated StackWise-320 stacking ports with total 320Gbps stacking bandwidth; compatible with C9300L-STAK-KIT2-M stacking cable kits, supports mixed stacking with other C9300LM models only if all stack members carry matching Meraki Advanced license tiers

Management & Auxiliary Ports

USB Type-A storage port for offline firmware upload, local configuration backup and system log export
Dual console access: USB Type-C console port + Mini-USB B console port for emergency local CLI access when cloud connectivity is lost
UID beacon LED push-button for fast physical device identification inside dense rack cabinets

Power & Physical Form Factor

Form Factor: 1RU standard 19-inch rack-mount chassis, dimensions 4.4 × 44.5 × 48.8 cm
Dual hot-swappable redundant AC power supply slots; factory pre-shipped with single 350W AC PSU (PWR-C1-350WAC-P-M)
No PoE power budget applicable, all downlink ports are data-only without power supply capability
Thermal design: 3 field-replaceable redundant variable-speed fan trays; overheat fault notifications are pushed automatically to the Meraki cloud dashboard
Environmental compliance: Operating temperature -5°C ~ 45°C, ENERGY STAR certified

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 C9300LM units)
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 traffic marking and scheduling
Jumbo Frame Support: Up to 9198-byte jumbo frames
ACL Capacity: 5,120 ingress/egress ACL entries
IPFIX Flow Telemetry: Full unsampled flow data enabled natively with Meraki Advanced license

6. Layer 2 Standard Feature Suite (Meraki Cloud Configured)

IEEE 802.1Q VLAN trunking, IEEE 802.3ad LACP EtherChannel (max 8 ports per bundle), full spanning tree toolkit including PVST+, RPVST+, MSTP with BPDU guard, root guard, loop guard and UDLD; LLDP/CDP unified device inventory auto-synchronized to Meraki dashboard, port security with sticky MAC address allowlists, broadcast/multicast storm suppression, IGMP Snooping v1/v2/v3, SPAN/RSPAN remote packet capture triggered via cloud portal, private VLANs, voice VLAN auto-detection and traffic prioritization, hardware 128-bit MACsec link encryption.

7. Meraki Cloud Native Layer 3, Security & Orchestration Features (Advanced Tier Full Capabilities)

Supported Routing Capabilities (Unlimited with Advanced License)

Static IPv4/IPv6 routing, RIP, OSPFv2/v3 with unlimited learned routes, VRRP gateway redundancy, wire-speed inter-VLAN routing, PIM sparse-mode stub multicast routing. No 1,000 OSPF route limit restriction present on Advanced tier hardware.

Full Cloud-Managed Enterprise Security Suite

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, hardware Secure Boot & Trust Anchor Module, granular RBAC multi-admin dashboard permissions, TLS/SSH encrypted communication tunnel between switch and Meraki cloud. End-to-end Adaptive Policy group-based traffic segmentation, Encrypted Traffic Analytics (ETA) and 256-bit AES MACsec encryption are fully activated on Advanced tier hardware.

Meraki Cloud Automation & Full Visibility

Zero-touch provisioning (ZTP) out-of-box automatic registration to Meraki organization, global bulk firmware scheduling and staged upgrade deployment, live remote cable testing without on-site IT technicians, real-time cross-site network topology mapping, unified wired/wireless policy synchronization with Meraki MR APs and MX security gateways, cloud-hosted centralized event logging, full unsampled IPFIX traffic analytics, cross-device fault alerting via email/SMS notifications, on-demand remote packet capture for offline troubleshooting.

8. Meraki Subscription License Tier Differentiation

All C9300LM series switches require renewable term-based Meraki Catalyst subscription licenses (1/3/5/7/10-year terms), split into two functional tiers:

Enterprise License (Base Tier / -E Eligible Hardware)

Full Layer 2 switching suite, limited OSPF route scale (max 1,000 routes), standard edge security controls, cloud monitoring and ZTP automation; Adaptive Policy segmentation, full unsampled IPFIX and ETA are disabled.
Advanced License (Full Feature Tier / -A Eligible Hardware)

Unlimited dynamic routing table capacity, Adaptive Policy zero-trust end-to-end traffic segmentation with SGT tagging, full unsampled IPFIX flow telemetry, Encrypted Traffic Analytics (ETA), complete cross-domain wired-wireless fabric policy orchestration and 256-bit AES MACsec encryption support.

Key difference versus on-prem C9300L (-E/-A IOS XE switches: C9300LM relies on time-limited cloud subscription licensing, while standard C9300L uses permanent perpetual IOS XE licenses without mandatory cloud connectivity. All stack members must deploy matching Meraki license tiers to guarantee full stacking interoperability and consistent network policy operation.

9. Datasheet Short Summary Paragraph

The Cisco Catalyst C9300LM-48T-4G-A is a Meraki cloud-native stackable Layer 3 high-density non-PoE Gigabit access switch equipped with 48 data-only Gigabit downlinks and four fixed 1G SFP fiber uplink ports, fully compatible with Meraki Advanced tier cloud subscriptions. Powered by Meraki Dashboard single-pane centralized orchestration and supported by StackWise-320 high-speed stacking plus redundant 350W AC power supplies with no PoE power requirement, it delivers complete Layer 2 switching, unlimited-scale Layer 3 dynamic routing, full advanced security automation including Adaptive Policy and ETA, and unified wired-wireless cross-site management. This model targets distributed multi-branch enterprises, large office environments and education networks prioritizing zero-touch remote cloud administration over traditional on-prem CLI or Cisco DNA Center deployment workflows, for high-density workstation-only edge networks without PoE-powered endpoints and requiring economical low-speed 1G fiber aggregation uplinks.


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