Full English Description for Cisco C9300X-24S-M
1. Part Number Naming Breakdown
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C9300X: High-performance stackable Layer 3 all-fiber enterprise aggregation switch hardware platform built on crypto-optimized UADP 2.0sec ASIC, supporting StackWise-1T 1 Terabit stacking bandwidth, StackPower power redundancy and one hot-swappable C9300X-NM modular uplink slot with hardware line-rate 100G IPsec encryption acceleration.
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24S: 24 fixed hot-pluggable 1G SFP fiber downlink slots, no copper RJ45 ports and zero PoE hardware circuits. Compatible with standard 1000BASE-SX/LX/ZX/EX single-mode and multi-mode SFP transceivers for inter-building fiber trunking, FTTX termination and industrial long-distance campus aggregation.
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M: Meraki cloud-native managed suffix. This hardware runs Meraki-orchestrated cloud IOS XE firmware, fully administered via Meraki Dashboard. All feature capabilities are unlocked by renewable term-based Meraki Catalyst 9300-M subscriptions (two tiers: Enterprise / Advanced); no permanent on-prem Network Essentials/Advantage perpetual IOS XE licenses applyCisco Meraki.
2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)
Cisco Catalyst C9300X-24S-M, 1RU stackable Meraki cloud-managed Layer3 all-fiber 1G SFP aggregation switch, 24-port 1G SFP fiber downlinks with one modular high-speed uplink expansion slot, StackWise-1T 1Tbps stacking and StackPower power redundancy supported, factory-shipped single 715W AC non-PoE power supply, unified single-pane Meraki Dashboard cloud management for fiber-centric campus aggregation, inter-building fiber interconnection and FTTX deployments requiring centralized zero-touch cloud orchestration with pure fiber 1G downlink ports and no PoE endpoints.
3. Complete Product Overview Paragraph
The Cisco Catalyst C9300X-24S-M is a fixed-form-factor all-fiber stackable Layer 3 enterprise aggregation switch belonging to the Catalyst 9300X-M Meraki cloud-managed portfolio, engineered for fiber-dominant campus, industrial and smart city deployments that rely entirely on 1G fiber links for long-distance building interconnection, FTTX access node termination and remote equipment aggregation. Equipped with 24 dedicated 1G SFP fiber downlink slots without any copper RJ45 interfaces or PoE power output, the chassis integrates one dedicated hot-swappable C9300X-NM modular uplink slot to flexibly deploy 10G/25G/40G/100G high-speed optical uplink modules for elastic bandwidth scaling to core switching layers. While sharing identical line-rate forwarding hardware performance with on-prem IOS XE C9300X-24S-A/E counterparts, this -M variant operates under exclusive Meraki cloud orchestration: all network configuration, bulk firmware upgrades, real-time traffic monitoring, fault alerting and end-to-end security policy deployment are centralized within the Meraki Dashboard instead of local CLI or Cisco Catalyst Center. It leverages StackWise-1T hardware stacking to combine up to 8 identical C9300X-M switches into a single unified logical switching fabric with 1 Tbps aggregate stacking bandwidth, delivering sub-50ms fast stack failover convergence for carrier-class network reliability. Native StackPower technology dynamically aggregates power supplies across up to four stacked switches for power redundancy, dynamic load balancing and automatic power redistribution during hardware failure events. Dual hot-swappable AC power supply slots and field-replaceable variable-speed fan trays eliminate single points of hardware failure, and native cross-platform policy synchronization unifies wired switch management with Meraki MR wireless access points and MX security gateways in one cloud console. Meraki zero-touch provisioning (ZTP), remote cable diagnostics and 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 fully activated only with the higher Meraki Advanced subscription tier.
4. Detailed Hardware Interface Specifications
Downlink Fiber Ports (24 × 1G SFP Slots)
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24 hot-pluggable SFP slots supporting 1000BASE-SX, LX, ZX, EX single/multi-mode fiber transceivers; no copper RJ45 interfaces, zero PoE power output, no UPOE/PoE power circuits.
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Full 715W power budget allocated solely to switching fabric, cooling fans and modular uplink modules.
Modular Uplink Expansion Slot
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1 dedicated hot-swappable C9300X-NM network module slot, compatible with optional high-speed uplink modules:
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C9300X-NM-8Y: 8 × SFP28 (10G / 25G)
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C9300X-NM-4C: 4 × QSFP+ (40G)
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C9300X-NM-2C: 2 × QSFP28 (100G)
Stacking Interfaces
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Dual rear dedicated StackWise-1T stacking ports, total 1 Tbps aggregate stacking bandwidth per stack group; supports ring topology with sub-50ms stack failover convergence, maximum 8 switches per stack.
Management & Auxiliary Ports
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USB Type-A storage port for offline firmware upload and local configuration backup.
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Mini-USB Type-B console port for emergency local CLI access during temporary cloud connectivity outages.
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Independent 1G RJ45 out-of-band management port (data-only, no PoE).
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LED status indicators for each SFP slot link/activity, power supply health, fan status, stack status and system fault alarms.
Power & Physical Form Factor
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Form Factor: 1RU standard 19-inch rack-mount chassis, dimensions 4.4 × 44.5 × 52.4 cm.
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Dual hot-swappable redundant AC power supply slots; factory pre-shipped with single 715W AC non-PoE PSU (PWR-C1-715WAC-P-M).
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Zero PoE power budget; all power capacity dedicated to switch forwarding infrastructure, cooling fans and uplink modules.
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Thermal system: 3 field-replaceable redundant variable-speed fan trays with front-to-back airflow.
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Environmental compliance: Operating temperature range -5°C ~ 45°C, ENERGY STAR certified, fully compliant with IEEE 802.3 Ethernet fiber standards and SFP MSA transceiver specifications.
5. Core Hardware Performance Benchmarks
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Standalone Switching Capacity: 880 Gbps
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Standalone Forwarding Rate: 654.72 Mpps
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MAC Address Table Size: 32,000 MAC forwarding entries
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VLAN Support: Up to 4,094 IEEE 802.1Q tagged VLANs; maximum 1,000 active STP VLANs under Enterprise license, unlimited with Advanced license
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QoS Hardware Queues: 8 priority hardware queues per physical port, full DSCP & 802.1p marking and hierarchical traffic scheduling optimized for fiber aggregation and long-haul transport traffic.
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Jumbo Frame Support: Up to 9198-byte jumbo frame transmission.
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Hardware ACL Capacity: 5,120 ingress/egress access control list entries.
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IPFIX Flow Telemetry: Sampled flow export available under Meraki Enterprise license; full unsampled streaming telemetry enabled with Meraki Advanced license.
6. Layer 2 Standard Feature Suite (Meraki Cloud Configured, All License Tiers)
IEEE 802.1Q VLAN trunking, IEEE 802.3ad LACP EtherChannel (max 8 ports per bundle), complete spanning tree toolkit including PVST+, RPVST+, MSTP with BPDU guard, root guard and loop guard; LLDP/LLDP-MED unified endpoint discovery optimized for fiber transceivers and remote network nodes, port security with sticky MAC address learning, broadcast/multicast storm suppression, IGMP Snooping v1/v2/v3, SPAN/RSPAN local and remote traffic mirroring, private VLAN edge mode, voice VLAN auto-detection and traffic prioritization, hardware 128-bit AES MACsec link encryption for fiber trunk security.
7. Meraki Cloud Native Layer 3, Security & Orchestration Features (Tier-Based Feature Control)
Supported Routing Capabilities
Static IPv4/IPv6 dual-stack routing, RIP v1/v2, OSPFv2/v3, VRRPv2/v3 gateway redundancy, basic PIM sparse-mode multicast routing.
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Meraki Enterprise License: OSPF routing table limited to maximum 1,000 learned entries
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Meraki Advanced License: Unlimited OSPF dynamic routing table capacity
Cloud-Managed Enterprise Security
IEEE 802.1X multi-domain port 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, end-to-end TLS/SSH encrypted communication tunnel between switch and Meraki cloud.
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Meraki Advanced exclusive premium security: End-to-end Adaptive Policy SGT zero-trust micro-segmentation, Encrypted Traffic Analytics (ETA), 256-bit AES MACsec link encryption full support
Meraki Exclusive Cloud Automation & Visibility
Zero-touch provisioning (ZTP) out-of-box automatic device registration to Meraki organization, global bulk firmware scheduling and staged upgrade deployment, live remote cable diagnostics without on-site IT staff, real-time cross-site network topology mapping, unified wired/wireless policy synchronization with Meraki MR APs and MX security appliances, centralized cloud-hosted event logging, cross-device fault alerting via email/SMS, on-demand remote packet capture for offline troubleshooting.
8. Meraki Catalyst 9300-M Subscription License Tier Differentiation
All C9300X-M cloud-managed switches require renewable term-based Meraki Catalyst subscriptions (1/3/5/7/10-year terms), split into two functional tiers:
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Enterprise License (Base Tier)
Full Layer 2 switching suite, limited OSPF route scale (max 1,000 entries), baseline port security, sampled flow telemetry and standard ZTP automation. Adaptive Policy segmentation, full unsampled IPFIX streaming telemetry and ETA analytics are disabled.
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Advanced License (Full Premium Tier)
Unlimited dynamic routing table capacity, Adaptive Policy zero-trust traffic segmentation with SGT tagging, full unsampled IPFIX flow telemetry, Encrypted Traffic Analytics (ETA), complete cross-domain wired fabric orchestration and native 256-bit AES MACsec link encryption support.
Key difference versus on-prem C9300X-A/E IOS XE switches: C9300X-M relies entirely on time-limited Meraki cloud subscriptions and Meraki Dashboard management, while C9300X-A/E use permanent standalone IOS XE perpetual licenses and local/Cisco Catalyst Center management. All switches within the same stack must deploy matching Meraki subscription tiers to guarantee full stacking interoperability and consistent end-to-end security policy enforcement.
9. Datasheet Short Summary Paragraph
The Cisco Catalyst C9300X-24S-M is a Meraki cloud-native stackable Layer 3 all-fiber 1G SFP aggregation enterprise switch equipped with 24 dedicated 1G SFP fiber downlink slots and one modular high-speed uplink expansion slot, compatible with both Meraki Enterprise and Advanced tier renewable cloud subscriptions. Equipped with StackWise-1T 1Tbps high-bandwidth stacking, StackPower power redundancy and redundant AC power/fan resiliency, it delivers complete Layer 2 switching, tier-restricted Layer 3 dynamic routing, unified cross-site wired-wireless cloud management and remote zero-touch automation. This model targets all-fiber enterprise campus aggregation, inter-building fiber interconnection, FTTX access termination and industrial long-distance network deployments that utilize only 1G fiber transceivers, require no PoE output, and prioritize centralized Meraki Dashboard cloud orchestration instead of traditional local CLI or on-premises Cisco Catalyst Center management.
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