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Cisco WS-C3850-24S-E | Catalyst 3850 24-Port Gigabit SFP Switch, 4x 1G SFP

WS-C3850-24S-E

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Description

The Cisco WS-C3850-24S-E is an enterprise-class stackable Layer 3 switch with 24 Gigabit SFP ports, IP Services feature set, and one modular network slot supporting optional uplink modules. Built on StackWise-480 technology, it delivers 92 Gbps switching capacity and offers convergence between wired and wireless networks with integrated wireless controller functionality supporting up to 100 access points.

Features

Cisco StackWise-480 stacking with up to 9 switches and 480 Gbps stack bandwidth
- Layer 2 switching: IEEE 802.1Q VLANs (up to 4,000), PVST+, Rapid PVST+, MST, LACP, PAgP
- Layer 3 routing: IPv4/IPv6 unicast routing, OSPF, EIGRP, BGP, PIM sparse/dense mode, HSRP, VRRP
- Advanced security: IEEE 802.1X, MACSec encryption, TrustSec, Dynamic ARP Inspection, IP Source Guard, port security, DHCP snooping
- Quality of Service: 8 egress queues per port, DSCP/CoS marking, policing, shaping, Auto-QoS
- Unified Access Data Plane (UADP) ASIC for wired-wireless convergence
- Integrated wireless controller with 802.11ac support
- Flexible NetFlow for advanced traffic visibility and monitoring
- Cisco StackPower technology for power pooling and redundancy (up to 4 switches)
- Hot-swappable modular network modules and redundant power supplies
- Energy Efficient Ethernet (IEEE 802.3az) for reduced power consumption
- USB port for storage and configuration management
- Stateful Switchover (SSO) and Non-Stop Forwarding (NSF) for high availability

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

24 x 10/100/1000 Gigabit Ethernet SFP optical ports
- 1 x modular network slot (supports C3850-NM-4-1G or C3850-NM-2-10G uplink modules)
- Switching capacity: 92 Gbps
- Forwarding rate: 68.4 Mpps
- Stacking bandwidth: 480 Gbps via StackWise-480
- 4 GB DRAM, 2 GB Flash memory
- Maximum stacking: up to 9 switches
- Power supply: 350W AC (PWR-C1-350WAC)
- Form factor: 1 RU rack-mountable
- Dimensions: 4.45 x 44.5 x 45.0 cm (H x W x D)
- Integrated wireless controller: supports up to 100 access points and 2,000 wireless clients
- Management: CLI, Web UI, SNMP, mini-USB console, RJ-45 console, Gigabit Ethernet management port
- Feature set: IP Services (advanced Layer 3 routing, multicast, IPv4/IPv6, QoS, security)
- Supports up to 4,000 VLANs, 24,000 IPv4 routes, 1,000 SVIs
- Redundant power supply and StackPower capable

FAQs

Q: What uplink modules are compatible with the WS-C3850-24S-E?
A: This switch supports two network modules via its single modular slot: the C3850-NM-4-1G (4 x 1 Gigabit Ethernet) and the C3850-NM-2-10G (2 x 10 Gigabit Ethernet). Note that not all 3850 network modules are compatible with the 24S models; consult the compatibility matrix for details.

Q: Does the WS-C3850-24S-E support Power over Ethernet?
A: No, the WS-C3850-24S-E is a non-PoE switch with SFP fiber ports only. If PoE is required, consider the WS-C3850-24P-E (24 copper PoE+ ports) or WS-C3850-24U-E (24 mGig UPoE ports) models.

Q: What is the difference between IP Services and IP Base on Catalyst 3850?
A: IP Services provides full Layer 3 routing capabilities including advanced routing protocols (OSPF, EIGRP, BGP), IPv6 routing, multicast routing (PIM), policy-based routing, and advanced QoS. IP Base offers limited Layer 3 with static routing and RIP only. The IP Services feature set also supports up to 4,000 VLANs compared to 1,000 on IP Base.

Q: Can this switch function as a wireless controller?
A: Yes, the Catalyst 3850 Series includes an integrated wireless controller capable of managing up to 100 access points and 2,000 wireless clients per switch or stack. This provides wired-wireless convergence on a single platform with uniform policy enforcement via the Unified Access Data Plane (UADP) ASIC.

Q: Is the WS-C3850-24S-E still supported by Cisco?
A: The Catalyst 3850 Series reached End of Sale in 2020 and has a Last Day of Support date of April 30, 2027. Cisco recommends the Catalyst 9300 Series (specifically the C9300-24S) as the replacement platform, offering higher performance and newer software features.

Datasheet

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Manual

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