WS-C3850-12XS-SSwitches

The Cisco WS-C3850-12XS-S Catalyst 3850 Series Switch is a powerful, enterprise-grade 12-port 10 Gigabit Ethernet SFP+ Layer 3 switch built to deliver exceptional performance, advanced security, and superior scalability for modern network infrastructures. Designed for high-density enterprise environments, campus networks, and data center aggregation layers, this switch combines high-speed connectivity with advanced network intelligence.

Powered by Cisco IOS XE, the WS-C3850-12XS-S enables programmability, automation, and advanced analytics, making it future-ready for software-defined networking (SDN) environments. It also supports Cisco StackWise-480 technology, allowing up to 480 Gbps of stacking bandwidth for simplified management and scalability as your network grows.

With Layer 2 and Layer 3 switching, full IPv4/IPv6 routing, QoS, multicast support, and Cisco DNA readiness, this switch ensures high availability, secure access, and enhanced operational efficiency. It’s ideal for connecting high-speed servers, distribution networks, and enterprise applications requiring low latency and maximum throughput.

🔧 Technical Specifications

General Features:

• Model: Cisco WS-C3850-12XS-S

• Series: Catalyst 3850 Series

• Product Type: Managed Layer 3 switch

• Form Factor: 1U rack-mountable

• Software Feature Set: IP Base

Ports and Connectivity:

• Ports: 12 x 10 Gigabit Ethernet SFP+ ports

• Uplink Options: Optional 40G uplinks via StackWise Virtual

• Stacking Capacity: Up to 9 switches (480 Gbps stacking bandwidth)

Performance & Capacity:

• Switching Capacity: 320 Gbps

• Forwarding Rate: 238.09 Mpps

• MAC Address Table Size: 32,000 entries

• DRAM: 4 GB

• Flash Memory: 2 GB

• Latency: < 1 μs

• Jumbo Frame Support: Up to 9198 bytes

Layer 3 Features:

• Static Routing, RIP, OSPF, EIGRP, BGP

• IPv4/IPv6 Dual Stack Support

• Policy-Based Routing (PBR)

• Multicast Routing (PIM, IGMP, MLD)

Security & Management:

• IEEE 802.1X, MACsec encryption

• DHCP snooping, IP Source Guard, Dynamic ARP Inspection

• Cisco TrustSec, Secure Boot, SXP support

• Management via CLI, SNMP, Web UI, Cisco DNA Center

Physical & Environmental:

• Power Supply: Dual redundant AC (hot-swappable)

• Dimensions: 1.75 x 17.5 x 17.5 in (4.4 x 44.5 x 44.5 cm)

• Weight: 17.6 lbs (8 kg)

• Operating Temperature: 0°C to 45°C (32°F to 113°F)

Compliance:

• IEEE 802.3ae (10 Gigabit Ethernet)

• IEEE 802.1Q VLAN

• IPv6 Ready, RoHS, CE, UL

🌐 Use Cases

• Data center aggregation and high-speed server connectivity

• Campus core/distribution switch for enterprise networks

• 10G access switch for virtualization and high-performance workloads

• Scalable enterprise deployments with software-defined networking (SDN)

✅ Key Benefits

• High-Performance Switching: 320 Gbps switching capacity and 12 x 10G SFP+ ports.

• Scalable Architecture: Stack up to 9 switches with 480 Gbps StackWise-480.

• Enterprise-Grade Security: Integrated MACsec, TrustSec, and dynamic security features.

• Automation Ready: Cisco DNA Center, model-driven APIs, and programmability.

• Future-Proof: Dual IPv4/IPv6 support, SDN-ready, and modular scalability.