Lily@zhongmei-group.com
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The Cisco Catalyst 9300X-12Y-A is a high-performance, stackable Layer 3 switch designed for enterprise campus aggregation, data center edge, and high-speed fiber deployments. It comes equipped with 12 x SFP28 ports (25G/10G/1G) and a modular uplink bay. The "-A" suffix signifies it includes the Cisco DNA Network Advantage license, unlocking full Layer 3 routing, advanced security, and comprehensive automation capabilities.
12 x SFP28 Ports: Multi-rate fiber ports supporting 25G, 10G, and 1G connections, ideal for aggregating high-speed access switches or servers.
Modular Uplink Bay: 1 x hot-swappable slot supporting high-speed modules:
2x 100G/40G (C9300X-NM-2C)
4x 100G/40G (C9300X-NM-4C)
8x 25G/10G (C9300X-NM-8Y)
Non-PoE: Optimized for pure data switching in high-bandwidth, fiber-rich environments.
StackWise-1T: Industry-leading 1 Tbps stacking bandwidth; stack up to 8 switches for unified management and massive scalability.
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.
UADP 2.0sec ASIC: Wire-speed Layer 2/3 switching with built-in hardware security acceleration.
MACsec-256 Encryption: Line-rate hop-by-hop security on all ports.
100G Hardware IPsec: Accelerated site-to-site and cloud VPN encryption.
Full Layer 3 Routing: Supports OSPF, EIGRP, BGP, VRF-Lite, and IPv6.
Switching Capacity: 1 Tbps (single) / 2 Tbps (stacked).
Forwarding Rate: 744.04 Mpps (single).
Cisco IOS XE: Programmable OS with NETCONF/YANG for model-driven automation.
Cisco DNA Advantage: Full suite of analytics, assurance, and SD-Access via DNA Center.
TrustSec & Segmentation: Policy-based access control and micro-segmentation.
| Parameter | Specification |
|---|---|
| SKU | C9300X-12Y-A |
| Fixed Ports | 12 x 1/10/25G SFP28 (fiber) |
| Uplink Slot | 1 x modular bay (100G/40G/25G) |
| PoE | None |
| Switching Capacity | 1 Tbps (single); 2 Tbps (stack) |
| Forwarding Rate | 744.04 Mpps (single) |
| Stacking | StackWise-1T (up to 8 switches) |
| MAC Address Table | 128,000 entries |
| IPv4 Routes | 64,000 |
| IPv6 Routes | 32,000 |
| Memory | 16 GB DRAM, 16 GB Flash |
| Packet Buffer | 64 MB |
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