The Cisco Catalyst 3850 Series Switch, Model WS-C3850-12XS-S, is an enterprise-grade stackable aggregation and core switch engineered to unify wired and wireless network infrastructure into a single, high-performance platform. Built specifically for medium-to-large corporate campuses, branch aggregation layers, and high-density fiber distribution environments, this 1-Rack Unit (1RU) switch features (12) 1/10-Gigabit SFP/SFP+ optical ports for low-latency fiber connectivity, alongside a modular uplink slot for additional network flexibility.
Powered by Cisco's programmable Unified Access Data Plane (UADP 1.0) ASIC architecture paired with an x86 CPU, 4 GB of RAM, and 2 GB of Flash memory, the WS-C3850-12XS-S delivers non-blocking switching throughput up to 320 Gbps and a forwarding rate of 238.09 Mpps. It supports industry-leading StackWise-480 technology, allowing up to 9 switches to be stacked into a single unified system with an impressive 480 Gbps of stacking bandwidth, alongside StackPower technology for intelligent power sharing. Bundled with the IP Base feature set running on open Cisco IOS XE, it provides advanced Layer 3 routing capabilities (including OSPF, EIGRP stub, RIP, and PBR), converged wired-wireless access control, and comprehensive security features.
Key Features & Advanced Capabilities:
High-Density 10G Optical Connectivity: Features 12 native SFP/SFP+ ports supporting both 1 Gbps and 10 Gbps optical transceivers for high-capacity aggregation links.
Modular Uplink Flexibility: Supports optional field-replaceable network modules (such as 4x10G or 2x40G) to scale core and backbone connectivity.
StackWise-480 & StackPower: Delivers 480 Gbps of stacking bandwidth for resilient high availability, paired with StackPower for intelligent power redundancy across stack members.
Converged Wired & Wireless Access: Built-in wireless controller functionality supporting up to 100 access points and 2000 wireless clients per switch/stack.
UADP ASIC & Open IOS XE: Programmable pipeline silicon supporting open telemetry, Flexible NetFlow (FNF), advanced QoS, and dynamic traffic management.
Enterprise Security & Reliability: Features Trust Anchor technology, Secure Boot, MACsec 128-bit encryption readiness, and support for dual hot-swappable redundant power supplies and fans.
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