Cisco WS-C3850-12XS-S - Catalyst 3850 12-Port 10G SFP+ Switch (IP Base)
The Cisco WS-C3850-12XS-S is part of the Catalyst 3850 Series, designed to unify wired and wireless access on a single platform. With 12 high-speed 10 Gigabit SFP+ ports, modular uplink options, and IP Base licensing, it provides secure, scalable, and resilient networking for enterprise access and aggregation layers.
🔧 Key Specifications
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Ports: 12x 10 Gigabit SFP+ optical ports (10/100/1000/10G capable)
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Feature Set: IP Base (Layer 2 switching + enhanced Layer 3 routing: static routing, RIP, limited OSPF)
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Uplinks: Modular uplink slot supporting C3850-NM-4-10G module
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Switching Capacity: 320 Gbps
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Forwarding Rate: 227.28 Mpps
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Stacking: StackWise-480 technology (up to 9 switches, 480 Gbps stack bandwidth)
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Memory: 4 GB RAM, 4 GB Flash
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Dimensions: 1.75 x 17.5 x 17.7 in (1RU rack-mountable)
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Weight: ~12.9 lb
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Reliability: Redundant fans, hot-swappable power supplies, StackPower support for power sharing
🧩 Ideal Use Cases
- Enterprise fiber aggregation and distribution layers requiring 10G connectivity
- Campus or branch deployments needing secure, high-speed fiber uplinks
- Unified wired and wireless management with Cisco DNA architecture
- Enhanced Layer 3 routing without full IP Services licensing
⚙️ Licensing & Expansion
The WS-C3850-12XS-S runs Cisco IOS XE software with IP Base features, supporting Layer 2 switching and enhanced Layer 3 routing (static routing, RIP, limited OSPF). Expansion is enabled through modular uplink options and StackWise-480 technology, allowing seamless scalability and simplified administration.
