Full English Description for Cisco C9300LM-48P-4X-M

Official SKU Clarification

C9300LM is widely used channel shorthand for Meraki cloud-managed Catalyst 9300 Lite hardware. The formal Cisco factory SKU printed on the hardware and datasheets is C9300L-48P-4X-M. The trailing -M indicates Meraki cloud-native firmware, fully controlled via Meraki Dashboard with renewable Meraki Catalyst cloud subscriptions (two tiers: Enterprise / Advanced). No permanent IOS XE perpetual licenses apply to this hardware platform.

1. Part Number Naming Breakdown

Model: C9300LM-48P-4X-M

C9300LM: Catalyst 9300 Lite Meraki cloud-native stackable fixed-uplink Layer 3 enterprise access switch, built on UADP 2.0 ASIC, exclusively managed via Meraki Dashboard cloud control plane
48P: 48 × 10/100/1000BASE-T Gigabit RJ45 PoE+ downlink ports, IEEE 802.3at PoE+ certified, up to 30W per port, backward compatible with IEEE 802.3af 15.4W PoE endpoints
4X: 4 integrated fixed dual-rate SFP+ uplink slots, auto-detect 1G SFP and 10G SFP+ transceivers for high-speed 10G fiber aggregation
M: Meraki cloud-managed hardware suffix. All feature capabilities are governed by time-based Meraki Catalyst cloud subscriptions; premium security & analytics functions require the Advanced tier license

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

Cisco Catalyst C9300LM-48P-4X-M, 1RU stackable Meraki cloud-managed Layer3 high-density PoE+ Gigabit access switch, 48-port IEEE 802.3at PoE+ 10/100/1000BASE-T RJ45 downlinks with 505W native PoE power budget, 4 fixed dual-rate 1G/10G SFP+ fiber uplink interfaces, StackWise-320 stacking support, factory pre-installed 715W AC power supply, single-pane Meraki Dashboard cloud management for multi-site enterprise offices, K-12 classrooms and branch deployments with Wi-Fi 6/6E APs, IP phones, PTZ surveillance cameras and PoE IoT devices requiring high-bandwidth 10G fiber aggregation uplinks.

3. Complete Product Overview Paragraph

The Cisco Catalyst C9300LM-48P-4X-M is a high-density PoE+ fixed-uplink stackable Layer 3 edge switch within the Catalyst 9300L-M Meraki cloud-managed portfolio, purpose-built for large corporate open offices, education classroom fleets, medium branch access closets and dense workstation deployments that deliver power to wireless access points, IP phones, surveillance cameras and low-power IoT sensors. Equipped with 48 IEEE 802.3at PoE+ Gigabit copper RJ45 downlink ports and four dedicated dual-speed SFP+ uplink ports supporting native 10Gbps aggregation bandwidth, this chassis delivers identical wire-speed forwarding hardware performance to its on-prem IOS XE counterpart C9300L-48P-4X. Unlike traditional standalone IOS XE switches, all network configuration, bulk firmware upgrades, real-time traffic monitoring, fault alerting and end-to-end security policy management are fully centralized exclusively through the Meraki cloud dashboard instead of local CLI or Cisco Catalyst Center. It leverages StackWise-320 stacking to aggregate up to 8 identical C9300LM switches into a single unified logical stack with 320Gbps dedicated hardware stacking bandwidth, incorporates dual hot-swappable 715W AC power supply slots for power redundancy and expanded PoE capacity, and enables native cross-platform policy synchronization with Meraki MR wireless access points and MX security gateways within one unified cloud console. Meraki zero-touch provisioning (ZTP), remote cable diagnostics, cross-site network topology visualization are native core functions available on both subscription tiers; premium advanced capabilities including unlimited OSPF dynamic routing entries, Adaptive Policy zero-trust segmentation and Encrypted Traffic Analytics (ETA) are activated only with the higher Meraki Advanced subscription tier.

4. Detailed Hardware Interface Specifications

Downlink Copper Ports (48×PoE+ Gigabit RJ45)

48 × 10/100/1000BASE-T Gigabit Ethernet ports, IEEE 802.3at PoE+ certified, maximum 30W power output per individual port
Total native PoE power budget of 505W with the single factory-shipped 715W AC power supply; dual redundant PSUs expand total usable PoE capacity up to 720W
Auto speed negotiation, auto-MDI/MDI-X, integrated built-in cable diagnostic tools for remote line testing and fault verification
Hardware supports 128-bit AES MACsec link encryption; full 256-bit AES MACsec encryption is exclusively unlocked with the Meraki Advanced subscription license

Fixed Uplink Interfaces

4 dedicated onboard dual-rate SFP+ slots compatible with 1G SFP and 10G SFP+ transceivers (SX, LX, ZX, LR, copper SFP-T and SFP+-T DAC modules supported)
Automatic speed detection for 1G or 10G uplink operation; no modular uplink card expansion slots available

Stacking Interfaces

Dual rear dedicated StackWise-320 stacking ports with aggregate 320Gbps stacking bandwidth; compatible with C9300L-STAK-KIT2-M stacking cable kits. Mixed stacking with other C9300LM models is only supported if all stack members operate matching Meraki subscription 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 during cloud connectivity outages
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 × 44.9 cm
Dual hot-swappable redundant AC power supply slots; factory pre-shipped with single 715W AC PSU (PWR-C1-715WAC-P-M)
Native PoE budget: 505W PoE+ power delivery capacity under single PSU operation
Thermal design: 3 field-replaceable redundant variable-speed fan trays; overheat fault notifications are automatically pushed 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 on Enterprise tier, unlimited with Advanced license
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: Sampled flow data under Meraki Enterprise license; full unsampled IPFIX enabled with 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 (Tier-Based Feature Control)

Supported Routing Capabilities

Static IPv4/IPv6 routing, RIP, OSPFv2/v3, VRRP gateway redundancy, wire-speed inter-VLAN routing, PIM sparse-mode stub multicast routing.

Meraki Enterprise License: OSPF limited to maximum 1,000 learned routes
Meraki Advanced License: Unlimited OSPF dynamic routing table capacity

Cloud-Managed 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, hardware Secure Boot & Trust Anchor Module, granular RBAC multi-admin dashboard permissions, TLS/SSH encrypted communication tunnel between switch and Meraki cloud.

Meraki Advanced exclusive: End-to-end Adaptive Policy group-based traffic segmentation, Encrypted Traffic Analytics (ETA), 256-bit AES MACsec encryption support

Meraki Exclusive Cloud Automation & 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, 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)

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)

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-48P-4X-M is a Meraki cloud-native stackable Layer 3 high-density PoE+ Gigabit access switch equipped with 48 IEEE 802.3at PoE+ downlinks and four dual-rate SFP+ 1G/10G fixed uplink ports, compatible with both Meraki Enterprise and Advanced tier cloud subscriptions. Powered by Meraki Dashboard single-pane centralized orchestration and supported by StackWise-320 high-speed stacking plus redundant 715W AC power supplies with a dedicated 505W native PoE+ power budget, it delivers complete Layer 2 switching, tier-restricted Layer 3 dynamic routing, unified wired-wireless cross-site management and remote cloud automation. 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 Catalyst Center deployment workflows, for high-density edge networks with PoE-powered wireless APs, IP phones and surveillance cameras requiring economical high-performance 10G fiber aggregation uplinks.


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