SRW2048-K9-NA Cisco SG300-52 Managed Switch

Cisco SRW2048-K9-NA Managed Switch Overview

The Cisco SRW2048-K9-NA is a high-performance 52-port managed switch designed for enterprise networking environments. Combining robust Layer 2 and Layer 3 capabilities, this switch ensures seamless connectivity and scalable network performance for medium to large-scale infrastructures.

Key Product Information

• Manufacturer: Cisco
• Part Number / SKU: SRW2048-K9-NA
• Product Type: Managed Network Switch
• Ports: 52 (50 Gigabit Ethernet + 2 Combo Gigabit SFP)

Technical Specifications

Device & Enclosure

• Device Type: 52-Port Layer 3 Managed Switch
• Form Factor: 1U Rack-Mountable
• Ethernet Type: Gigabit

Performance & Capacity

• Switching Capacity: 104 Gbps
• Forwarding Performance: 77.38 Mpps (64-byte packets)
• Virtual Interfaces (VLANs): Supports up to 256
• MAC Address Table: 8,000 entries
• Jumbo Frame Support: Up to 10 KB

Routing & Network Protocols

• Routing Protocols: Static IPv4 Routing
• Remote Management: SNMP v1/v2c/v3, RMON 1/2/3/9, Telnet, HTTP/HTTPS, SSH, CLI, TFTP

Advanced Features

• Layer 3 & Layer 2 Switching
• DHCP & BOOTP Support
• VLAN Configuration & IGMP Snooping
• Port Mirroring & Syslog Support
• DDoS / DOS Attack Mitigation
• Broadcast, Multicast, & Unicast Storm Control
• Weighted Round Robin (WRR) Queuing & QoS Support
• IPv6 Ready & Jumbo Frame Compatible
• Spanning Tree Protocol (STP), RSTP, MSTP Support
• Firmware Upgradeable & ACL Control
• MLD Snooping & DiffServ Support

Compliance & Standards

• IEEE 802.3, 802.3u, 802.3z, 802.3ab
• IEEE 802.1d/q/p/w/x/s, 802.1ab (LLDP)
• IEEE 802.3x, 802.3ad (LACP)

Power, Dimensions & Weight

• Power Supply: AC 120/230V, 50/60Hz
• Dimensions: 17.3" W × 10.1" D × 1.7" H
• Weight: 8.6 lbs

Managed Ethernet Switching for Growing Business Networks

The Cisco SRW2048-K9-NA SG300-52 52 Ports Managed Switch belongs to the category of fully managed Layer 2 and Layer 3 capable Ethernet switches designed to support expanding enterprise, commercial, and advanced small business networks. This category focuses on delivering reliable wired connectivity, advanced traffic control, enhanced security, and scalable performance for environments where unmanaged or basic smart switches are no longer sufficient. Managed switches like the SG300-52 are engineered to provide administrators with complete visibility and granular control over network operations, ensuring optimal uptime, predictable performance, and long-term infrastructure flexibility.

Within the managed switch category, the SG300-52 represents a high-density access-layer solution. Its 52-port configuration is particularly suited for deployments that require the connection of a large number of wired endpoints, including desktop systems, IP phones, wireless access points, printers, surveillance cameras, and industrial devices. The category emphasizes non-blocking architectures, enterprise-grade hardware components, and intelligent software features that allow networks to grow without introducing bottlenecks or instability.

High Port Density and Scalable Network Design

One of the defining characteristics of the Cisco SRW2048-K9-NA SG300-52 category is high port density combined with flexible uplink options. Managed switches in this class are designed to serve as aggregation points or core access switches in medium-sized networks. The 52-port layout allows organizations to centralize network connections, reduce the number of deployed switches, and simplify cable management while maintaining strong performance characteristics.

Scalability is a key theme across this category. The SG300-52 supports network expansion through advanced switching capabilities that ensure consistent throughput even as connected devices increase. This category supports network topologies that evolve over time, allowing administrators to add new endpoints, deploy additional switches, or integrate higher-speed uplinks without rearchitecting the entire infrastructure.

Optimized Throughput for Enterprise Workloads

Managed switches within the SG300 series category are built to handle sustained traffic loads typical of modern enterprise environments. This includes simultaneous data transfers, voice communications, video streaming, and cloud application access. The switching fabric is engineered to minimize latency and packet loss, ensuring smooth operation of real-time and bandwidth-intensive applications.

By supporting wire-speed switching across all ports, the Cisco SRW2048-K9-NA SG300-52 category ensures that performance remains predictable under heavy utilization. This reliability is crucial for businesses that depend on uninterrupted connectivity for productivity, collaboration, and customer-facing services.

Advanced Management and Configuration Capabilities

The managed switch category represented by the Cisco SRW2048-K9-NA SG300-52 emphasizes robust management functionality. These switches provide administrators with multiple configuration interfaces, including web-based graphical interfaces and command-line access. This flexibility allows network professionals to tailor management workflows to their expertise and operational requirements.

Centralized configuration and monitoring capabilities enable administrators to quickly deploy policies, track network health, and troubleshoot issues. Managed switches in this category support detailed statistics and diagnostics, helping organizations identify traffic patterns, detect anomalies, and plan for future growth.

Layer 2 and Layer 3 Feature Integration

The SG300-52 category bridges the gap between traditional Layer 2 switching and advanced Layer 3 functionality. This integration allows for efficient network segmentation, improved routing performance, and reduced reliance on external routing devices for internal traffic. Features such as VLAN support, inter-VLAN routing, and static routing enhance network efficiency and simplify design.

This dual-layer capability makes the category suitable for organizations transitioning from flat network architectures to more structured and secure designs. By supporting both switching and routing functions, the Cisco SRW2048-K9-NA SG300-52 helps reduce hardware complexity while maintaining enterprise-grade performance.

VLAN Awareness and Traffic Segmentation

Virtual LAN support is a foundational aspect of this managed switch category. VLAN functionality allows administrators to logically segment network traffic, separating departments, applications, or device types without additional physical infrastructure. This segmentation improves security, enhances performance, and simplifies policy enforcement.

Managed switches like the SG300-52 allow for precise VLAN configuration, enabling organizations to isolate sensitive systems, prioritize critical applications, and manage broadcast traffic efficiently. This capability is essential in environments with mixed workloads, such as offices that combine voice, data, and video services.

Security-Focused Switching Architecture

Security is a core pillar of the Cisco SRW2048-K9-NA SG300-52 managed switch category. These switches are designed to protect network resources from unauthorized access, internal misuse, and external threats. The category emphasizes embedded security mechanisms that operate at the network edge, where endpoints connect.

By enforcing access controls and monitoring traffic behavior, managed switches in this category help organizations maintain compliance with internal policies and industry standards. Security features are tightly integrated into the switching architecture, ensuring that protection does not come at the expense of performance.

Access Control and Network Authentication

Managed switches within this category support sophisticated access control methods that verify device and user credentials before granting network access. These capabilities help prevent unauthorized systems from connecting to the network and reduce the risk of data breaches.

Authentication mechanisms can be applied at the port level, enabling administrators to define who or what is allowed to connect to specific network segments. This granular control is especially valuable in environments with shared infrastructure or compliance requirements.

Protection Against Network Threats

The Cisco SRW2048-K9-NA SG300-52 category incorporates features designed to mitigate common network threats such as broadcast storms, spoofing, and denial-of-service attempts. By detecting abnormal traffic patterns and enforcing rate limits, managed switches help maintain network stability and availability.

These protective measures ensure that critical business services remain accessible even in the presence of misconfigured devices or malicious activity. As networks grow more complex, such built-in resilience becomes increasingly important.

Quality of Service for Business-Critical Applications

Quality of Service capabilities are a defining aspect of the managed switch category represented by the SG300-52. QoS features allow administrators to classify and prioritize network traffic based on application type, source, or destination. This ensures that time-sensitive communications such as voice and video receive the bandwidth and low latency they require.

In modern business environments, networks must support a wide range of applications with varying performance requirements. Managed switches in this category provide the tools necessary to balance competing demands and deliver consistent user experiences.

Traffic Prioritization and Bandwidth Management

Through advanced traffic classification and queuing mechanisms, the Cisco SRW2048-K9-NA SG300-52 category enables precise control over how bandwidth is allocated. Administrators can define policies that prioritize critical services while limiting non-essential traffic during peak usage periods.

This level of control is particularly valuable for organizations that rely on unified communications, cloud-based collaboration platforms, or real-time monitoring systems. By ensuring predictable performance, managed switches help support productivity and service quality.

Reliability and Hardware Resilience

Reliability is a key expectation within the managed switch category. The Cisco SRW2048-K9-NA SG300-52 is designed with enterprise-grade components that support continuous operation in demanding environments. This category emphasizes robust hardware design, efficient thermal management, and long operational lifecycles.

High reliability reduces downtime, minimizes maintenance requirements, and protects business operations from unexpected disruptions. Managed switches in this class are suitable for deployment in wiring closets, data rooms, and other critical infrastructure locations.

Consistent Operation in High-Density Deployments

High port density increases the importance of stable power delivery and effective heat dissipation. The SG300-52 category addresses these challenges through engineering practices that ensure consistent performance even when all ports are active.

This stability is essential for organizations that depend on wired connectivity as the backbone of their operations. By maintaining performance under load, managed switches help prevent cascading failures and service interruptions.

Integration with Existing Network Ecosystems

The managed switch category encompassing the Cisco SRW2048-K9-NA SG300-52 is designed for seamless integration into existing network environments. Compatibility with industry standards ensures that these switches can interoperate with a wide range of routers, firewalls, wireless systems, and endpoint devices.

This interoperability allows organizations to protect prior investments while upgrading network capabilities. Managed switches in this category support gradual modernization strategies, enabling incremental improvements rather than disruptive overhauls.

Support for Enterprise and SMB Use Cases

The SG300-52 category is versatile enough to serve both enterprise branch offices and sophisticated small to medium-sized businesses. Its feature set aligns with the needs of organizations that require professional-grade networking without the complexity or cost of high-end core switches.

This balance of capability and accessibility makes the category attractive for a wide range of deployment scenarios, including offices, educational institutions, healthcare facilities, retail environments, and industrial settings.

Future-Ready Network Foundations

Managed switches like the Cisco SRW2048-K9-NA SG300-52 are positioned as long-term infrastructure components. The category emphasizes software-driven functionality and standards-based design, ensuring that networks can adapt to new applications, devices, and traffic patterns over time.

By providing a stable and flexible foundation, this managed switch category supports digital transformation initiatives and evolving business requirements without frequent hardware replacement.

Centralized Control and Operational Efficiency

Operational efficiency is a critical benefit of deploying managed switches in the SG300-52 category. Centralized management capabilities reduce administrative overhead, streamline configuration tasks, and enable faster response to network issues.

Through consistent policy enforcement and monitoring, organizations can maintain high service levels while minimizing manual intervention. This efficiency translates into lower operational costs and improved network reliability.

Visibility and Network Insight

Detailed visibility into network activity is a hallmark of this managed switch category. Administrators can monitor port status, traffic utilization, and error conditions in real time. This insight supports proactive maintenance and informed decision-making.

By understanding how network resources are used, organizations can optimize performance, plan capacity upgrades, and ensure that infrastructure investments align with actual demand.

Positioning Within the Managed Switch Market

The Cisco SRW2048-K9-NA SG300-52 52 Ports Managed Switch category occupies a strategic position within the broader managed Ethernet switching market. It delivers enterprise-grade functionality in a form factor and feature set tailored to growing organizations.

This category bridges the gap between entry-level smart switches and advanced core networking platforms. By offering a comprehensive suite of management, security, and performance features, it enables businesses to build robust, scalable, and secure wired networks that support current operations and future expansion.