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Cisco Catalyst 9300X-12Y-E

The Cisco Catalyst 9300X-12Y-E is a high-performance, stackable Layer 3 switch purpose-built for enterprise campus aggregation, data center edge, and high-speed fiber deployments. It delivers 12 x multi-rate SFP28 ports (25G/10G/1G) and a modular uplink bay, powered by the Cisco DNA Network Essentials license for robust automation, security, and Layer 3 functionality.

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Key Features & Benefits

1. High-Speed SFP28 Connectivity

  • 12 x SFP28 Ports: Multi-rate support for 25G, 10G, and 1G fiber connections, enabling seamless migration from 10G to 25G.

  • Modular Uplink Module: 1 x hot-swappable bay supporting high-speed modules:

    • 2x100G/40G (C9300X-NM-2C)

    • 4x100G/40G (C9300X-NM-4C)

    • 8x25G/10G (C9300X-NM-8Y)

  • Non-PoE: Optimized for pure data switching in high-bandwidth, fiber-rich environments.

2. Unmatched Scalability & Resiliency

  • StackWise-1T: Industry-leading 1 Tbps stacking bandwidth; stack up to 8 switches for unified management.

  • StackPower: Power supply sharing across the stack for N+1 redundancy.

  • Non-Stop Forwarding (NSF/SSO): Sub-50ms failover for zero downtime during stack transitions.

3. Performance & Security

  • UADP 2.0sec ASIC: Wire-speed Layer 2/3 switching with hardware-accelerated security.

  • Security: MACsec-256 encryption, Secure Boot, and ACLs for data protection.

  • Switching Capacity: 1 Tbps (single unit) / 2 Tbps (stacked).

  • Forwarding Rate: 744.04 Mpps (single unit) / 1488 Mpps (stacked).

4. Management & Automation (Network Essentials)

  • Cisco IOS XE: Programmable OS with NETCONF/YANG for model-driven automation.

  • Cisco DNA Essentials: Network automation, telemetry, and monitoring via Cisco DNA Center.

  • Flexible NetFlow (FNF): Deep traffic visibility for monitoring and threat detection.

  • Layer 3 Routing: Static routing, RIP, EIGRP, OSPF, VRF-Lite.


Technical Specifications

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ParameterDetail
SKUC9300X-12Y-E
Fixed Ports12 x 1/10/25G SFP28 (fiber)
Uplink Slot1 x modular bay (100G/40G/25G)
PoENone
Switching Capacity1 Tbps (single); 2 Tbps (stack)
Forwarding Rate744.04 Mpps (single); 1488 Mpps (stack)
StackingStackWise-1T (up to 8 switches)
MAC Address Table128,000 entries
IPv4 Routes64,000
IPv6 Routes32,000
Memory16 GB DRAM, 16 GB Flash
Packet Buffer64 MB