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Computer & Network Cables3750V2-24PS-E Cisco Catalyst Ethernet Switch 24x10/100Base-TX, 2xSFP
WS-C3750V2-24PS-E
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Brief Overview of WS-C3750V2-24PS-E
Cisco WS-C3750V2-24PS-E Catalyst 24 ports Ethernet Switch 24 x 10/100Base-TX, 2 x SFP. Factory-Sealed New in Original Box (FSB) with 1 year replacement warranty
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Same product also available in:
| SKU/MPN | Warranty | Price | Condition | You save |
|---|---|---|---|---|
| WS-C3750V2-24PS-E | 1 Year Warranty | Contact us for a price | Factory-Sealed New Retail in Original Box (FSB) | |
| WS-C3750V2-24PS-E | 1 Year Warranty | $122.00 | Excellent Refurbished | You save: $46.75 (28%) |
Description
Product Overview
The Cisco WS-C3750V2-24PS-E Catalyst switch is a reliable and enterprise-ready Ethernet switching solution designed for modern business networks. With advanced Power over Ethernet (PoE) support, robust Layer 3 routing, and scalable stacking capabilities, this Cisco Catalyst model is ideal for organizations that require secure, high-performance connectivity.
Main Product Information
- Manufacturer: Cisco Systems, Inc.
- Part Number / SKU: WS-C3750V2-24PS-E
- Device Type: Managed Ethernet Switch
- Series: Cisco Catalyst 3750V2
Key Connectivity Features
- 24 x Fast Ethernet ports with IEEE 802.3af PoE support
- 2 x SFP Gigabit Ethernet uplink ports for fiber connections
- Stackable architecture for scalable network expansion
- Layer 3 managed switching for advanced traffic control
Advanced Routing and Switching Capabilities
- Layer 3 IP routing with OSPF, BGP, RIP, EIGRP, and static routes
- MAC address table supporting up to 12,000 entries
- Dynamic Trunking Protocol (DTP) for flexible VLAN configuration
- Quality of Service (QoS) for optimized traffic prioritization
Security and Compliance Features
- IGMP snooping for efficient multicast traffic handling
- DHCP snooping and Dynamic ARP Inspection (DAI)
- MAC address filtering for port-level security
- Authentication via RADIUS, TACACS+, and IEEE 802.1X
- Secure remote access with SSH v2
Power and Redundancy Benefits
- Supports Cisco Redundant Power System (RPS) 2300
- Lower energy consumption compared to earlier Catalyst 3750 models
- Optimized power usage for reduced operating expenses
Management Interfaces
- Web-based management interface
- SNMP v1, v2, and v3 support
- Remote access via Telnet and SSH
- Full IPv6 compatibility for next-generation networks
Physical and Electrical Details
- Dimensions: 44.3 cm (W) x 29.5 cm (D) x 4.4 cm (H)
- Weight: 4.6 kg
- MTBF: 275,360 hours
- Power Supply: Internal
- Input Voltage: 120/230V AC, 50/60 Hz
Core Architecture & Performance Fundamentals
At its heart, the WS-C3750V2-24PS-E is built on Cisco's StackWise technology, a revolutionary feature that allows multiple physical switches to operate as a single, logical unit. This architecture provides significant advantages in scalability, redundancy, and simplified management, making it a cornerstone of its enduring value.
StackWise Technology: The Backbone of Scalability
Cisco's proprietary StackWise technology interconnects up to nine individual 3750 switches using high-speed, modular stack cables, creating a unified switching fabric with a collective 32 Gbps throughput. This "stack" behaves as one device: managed by a single IP address, sharing a common configuration, and utilizing a centralized routing table. For network administrators, this eliminates the complexity of managing multiple devices independently, streamlines provisioning, and enhances operational efficiency.
Benefits of a Unified Stack
Single Management Point: Configure and monitor the entire stack from one console.
Increased Redundancy: The stack supports cross-stack EtherChannel and features master redundancy. If the stack master fails, a subordinate switch automatically assumes the role with minimal disruption.
Simplified Cabling: Reduces inter-switch trunking complexity, creating a cleaner physical and logical layout.
Forwarding Performance & Switching Fabric
This switch boasts a non-blocking architecture with a forwarding rate of up to 38.7 Mpps (million packets per second) across the entire stack. The integrated switching fabric within each unit ensures wire-speed performance on all ports simultaneously, preventing bottlenecks even under full load. This is critical for supporting bandwidth-intensive applications and real-time services like voice and video across all connected devices.
Port Configuration & Power over Ethernet (PoE) Capabilities
The "24PS" in the model name denotes 24 Ethernet ports with PoE support, a defining feature for modern converged networks. This configuration provides the flexibility to power a wide array of devices directly from the switch, eliminating the need for separate power supplies and simplifying deployment.
Detailed Port Breakdown
The switch is equipped with a versatile set of interfaces designed for access layer connectivity and high-speed uplinks:
24 x 10/100BASE-TX RJ-45 Ports: These auto-sensing, auto-negotiating Fast Ethernet ports provide connectivity for desktop computers, printers, and legacy devices. Critically, each port supports IEEE 802.3af PoE, delivering up to 15.4 watts per port to powered devices (PDs).
2 x SFP (Small Form-Factor Pluggable) Uplink Ports: These fixed Gigabit Ethernet fiber ports are dedicated for high-speed uplinks to core switches, routers, or servers. They support a wide range of Cisco SFP modules (e.g., 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, and 1000BASE-T copper), allowing for flexible medium (fiber or copper) and distance selection based on network topology needs.
PoE Budget and Device Support
The WS-C3750V2-24PS-E includes a robust internal power supply with a total PoE budget of 370 watts. This budget is intelligently managed by the switch to allocate power on-demand to connected devices. It can simultaneously support a mix of:
IEEE 802.3af (PoE) devices: Such as VoIP phones, basic wireless access points, and security cameras.IEEE 802.3at (PoE+) capable: While not a formal PoE+ switch, its generous per-port budget can support many PoE+ devices that require under 15.4W, though for full 30W PoE+ compliance, later models are recommended.
The switch provides detailed power monitoring and management via CLI or web interface, allowing administrators to set power priorities, track consumption, and remotely reboot powered devices—a invaluable troubleshooting tool.
Intelligent Layer 3 Lite Routing & Advanced Feature Set
Beyond basic Layer 2 switching, the Catalyst 3750V2 Series incorporates "Layer 3 Lite" or "IP Base" feature set software. This provides essential routing functionality, enabling the switch to make intelligent forwarding decisions at the network layer, thereby improving performance and reducing load on core routers.
Key Routing Protocols & Features
The switch supports static routing and dynamic routing protocols, allowing it to route traffic between VLANs (inter-VLAN routing) and directly connected subnets efficiently.
Supported Routing Protocols
Static Routing: For simple, predictable network paths.
RIP (Routing Information Protocol) v1/v2: A standard distance-vector protocol suitable for smaller networks.
EIGRP (Enhanced Interior Gateway Routing Protocol) Stub: A Cisco-proprietary advanced distance-vector protocol offering fast convergence and efficient bandwidth usage. The "stub" functionality is ideal for access layer switches, advertising connected routes to distribution layer routers without participating in full route recalculation.
OSPF (Open Shortest Path First) Stub: A link-state protocol for larger, hierarchical networks. Similar to EIGRP stub, it allows the switch to operate efficiently at the network edge.
Access Control Lists (ACLs) & Security
To enforce security policies and control traffic flow, the switch supports standard and extended IP ACLs. These ACLs can be applied to routed interfaces or switched virtual interfaces (SVIs) to permit or deny traffic based on source/destination IP address, protocol, and port number, providing a critical layer of network segmentation and threat mitigation.
Advanced Quality of Service (QoS) & Robust Security Suite
In a converged network carrying data, voice, and video, ensuring priority and bandwidth for critical applications is paramount. The WS-C3750V2-24PS-E offers a sophisticated QoS and security framework.
Comprehensive QoS for Converged Traffic
The switch classifies, polices, marks, and queues traffic to guarantee low latency and jitter for real-time applications.
QoS Mechanisms
Classification & Marking: Trusts DSCP (Differentiated Services Code Point) or CoS (Class of Service) values from IP phones or upstream devices, or can classify traffic based on ACLs.
Policing & Shaping: Limits the bandwidth of specific traffic flows to prevent any single application from overwhelming the link.
Congestion Management: Uses Weighted Tail Drop (WTD) and four egress queues per port to prioritize traffic like VoIP (placed in a strict-priority queue) over best-effort data.
Integrated Network Security Features
Security is built into every layer of the switch's operation, protecting both the network infrastructure and the data traversing it.
Core Security Capabilities
Port Security: Restricts access by MAC address, preventing unauthorized devices from connecting.
802.1X Authentication: Provides network access control using RADIUS servers, requiring user or device credentials before granting network access.
DHCP Snooping: Prevents rogue DHCP servers from distributing incorrect IP addresses.
Dynamic ARP Inspection (DAI): Protects against ARP spoofing and poisoning attacks.
IP Source Guard: Prevents IP address spoofing by validating the source IP of traffic against the DHCP snooping binding table.
VLAN Segmentation: Supports up to 1005 VLANs (normal and extended range) for logical network isolation.
Private VLANs (PVLANs): Provide further isolation within a single VLAN, commonly used in multi-tenant environments.
Management, Reliability, and Ideal Use Cases
The Cisco WS-C3750V2-24PS-E is designed for manageability and high availability, ensuring network uptime and ease of administration.
Flexible Management Options
Administrators can configure and monitor the switch through multiple interfaces:
Cisco CLI (Command-Line Interface): Accessed via console port, Telnet, or SSH. The IOS-based CLI is powerful and familiar to network professionals.
Cisco Network Assistant (CNA): A free GUI-based management tool for configuring and monitoring a community of switches, routers, and access points.
SNMP (v1, v2c, v3): For integration with enterprise management systems like SolarWinds or Cisco Prime.
Web-based (HTTP/HTTPS) Interface: Provides a basic browser-based setup and monitoring portal.
Reliability and Availability Features
Hot-Swappable Stack Cables: Allows for stack members to be added or removed without powering down the stack.
UPS Support & Redundant Power Systems (RPS): Can be connected to an Uninterruptible Power Supply (UPS). Compatible with the Cisco RPS 675 for external power redundancy.
IEEE 802.3ad Link Aggregation (LACP) & Cross-Stack EtherChannel: Bundles multiple physical links into a single logical channel for increased bandwidth and redundancy.
IEEE 802.1s/w (MSTP/RSTP): Rapid and Multiple Spanning Tree Protocols prevent loops and ensure rapid network convergence.
Primary Deployment Scenarios
This switch excels in several key environments:
Enterprise Wiring Closet / Access Layer
Its primary role is connecting end-user devices, providing PoE to IP phones and wireless access points, and performing inter-VLAN routing locally.
Small to Medium-Sized Business (SMB) Core
For smaller organizations, a stack of 3750V2 switches can serve as the entire network core, providing routing, switching, PoE, and security in a resilient, stackable package.
Branch Office Deployment
Its compact size, Layer 3 capabilities, and stackability make it an ideal edge device for remote offices, connecting back to headquarters via its SFP uplinks.
Features
Product/Item Condition:
Factory-Sealed New Retail in Original Box (FSB)
ServerOrbit Replacement Warranty:
1 Year Warranty
