SRW2048-K9 Cisco SG300-52 L3 Gigabit Ethernet Switch

Cisco SRW2048-K9 SG300-52 Managed Switch Overview

The Cisco SRW2048-K9 is a high-performance managed switch designed for businesses requiring reliable Layer 3 and Layer 2 network connectivity. With 52 ports and robust management capabilities, it provides seamless integration for enterprise networks.

Key Manufacturer Details

• Brand: Cisco
• Model / SKU: SRW2048-K9
• Device Type: Managed Switch
• Port Count: 52 Ports (50 Gigabit + 2 Combo SFP)

Technical Specifications

Device & Connectivity Features

• Enclosure: 1U Rack-mountable
• Port Type: Gigabit Ethernet
• Switching Capacity: 104 Gbps
• Forwarding Performance: 77.38 Mpps (64-byte packets)
• MAC Address Table: 8k entries
• Maximum VLANs: 256 Virtual Interfaces
• Jumbo Frame Support: Up to 10 KB

Routing & Management

• Routing Protocol: Static IPv4 Routing
• Remote Management: SNMPv1, SNMPv2c, SNMPv3, RMON1, RMON2, RMON3, RMON9, Telnet, HTTP, HTTPS, CLI, SSH, TFTP

Advanced Networking Features

• Layer 2 & Layer 3 Switching
• VLAN and DHCP Support
• IGMP and MLD Snooping for efficient multicast
• Port Mirroring and Broadcast/Multicast/Unicast Storm Control
• Quality of Service (QoS) & Weighted Round Robin (WRR) Queuing
• Security Features: ACL support, DOS attack prevention
• Spanning Tree Protocol: STP, RSTP, MSTP
• Firmware Upgradable for future-proof networking

Standards Compliance

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

Power & Physical Details

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

Cisco SRW2048-K9 SG300-52 52 Ports Managed Switch

The Cisco SRW2048-K9, also known as the SG300-52, represents a powerful solution within Cisco’s managed switch portfolio. Designed for small to medium-sized business networks, this 52-port managed switch offers a combination of high performance, flexibility, and advanced networking capabilities. It supports Layer 2 and Layer 3 static routing, providing businesses with the ability to implement more sophisticated network topologies while maintaining cost efficiency. The SG300-52 is engineered to handle multiple simultaneous network activities without compromising performance, ensuring optimal bandwidth allocation for critical business applications.

High-Performance Switching Architecture

The SG300-52 incorporates a robust switching architecture designed to deliver high-speed data processing and low-latency performance. With full wire-speed forwarding on all 52 ports, this switch ensures that heavy traffic loads are managed efficiently. The device supports up to 10 Gigabit per second speeds on selected uplink ports, making it suitable for environments requiring high-throughput connections for servers, storage systems, and high-demand client applications. Its non-blocking architecture enables seamless data flow across the network, preventing congestion and bottlenecks, even during peak traffic periods.

Layer 2 Switching Capabilities

The Layer 2 functionality of the SG300-52 includes essential features such as VLAN support, Quality of Service (QoS), link aggregation, and multicast management. VLANs allow network administrators to segment traffic efficiently, enhancing security and reducing broadcast domains. QoS prioritization ensures that time-sensitive data, such as voice over IP (VoIP) and video streaming, receives higher priority over less critical traffic. Link aggregation combines multiple physical ports into a single logical connection, boosting bandwidth between switches or servers and increasing redundancy. Multicast management capabilities allow for efficient delivery of multimedia content to multiple devices simultaneously.

Advanced Layer 3 Routing Features

The SG300-52 extends its functionality with static Layer 3 routing capabilities. While primarily a Layer 2 switch, it can perform static routing between VLANs, simplifying network design in multi-department environments. Administrators can configure inter-VLAN routing directly on the switch, reducing the need for additional routers and improving overall network efficiency. This functionality supports routing between multiple subnets, enabling seamless communication across segmented networks while maintaining security and performance.

Comprehensive Security Mechanisms

Security is a critical aspect of the Cisco SG300-52 switch. It features robust measures including Access Control Lists (ACLs), 802.1X port authentication, and Secure Shell (SSH) protocol support for encrypted remote management. ACLs allow administrators to define granular access policies, controlling which devices or users can communicate over specific network segments. 802.1X port-based authentication ensures that only authorized devices can connect to the network, protecting against unauthorized access. The switch also supports Secure Sockets Layer (SSL) for web-based management, providing encrypted communication between administrators and the switch interface.

Redundancy and Reliability Features

Network uptime is crucial for business operations, and the SG300-52 offers multiple redundancy mechanisms to ensure continuous service. It supports Spanning Tree Protocol (STP) and its variants, including Rapid STP (RSTP), to prevent network loops and ensure a reliable path selection. Link aggregation and port mirroring add further resilience, allowing traffic to reroute automatically in case of a link failure. These features ensure minimal downtime and uninterrupted data flow, which is essential for mission-critical applications in enterprise environments.

Integration with Cisco Networking Ecosystem

The SG300-52 seamlessly integrates into the broader Cisco networking ecosystem. It supports Cisco’s network management tools and software-defined networking solutions, enabling centralized control and simplified network configuration. Integration with Cisco Network Assistant provides an easy-to-use platform for monitoring multiple devices, applying consistent policies, and troubleshooting network issues. Compatibility with other Cisco switches, routers, and wireless controllers ensures a cohesive, scalable network that can grow with organizational needs.

Deployment Flexibility

The SG300-52 offers flexible deployment options to accommodate different network environments. Its 1U rack-mountable form factor allows installation in standard data center racks, while desktop or wall-mounting options support smaller office environments. With a combination of 48 standard Ethernet ports and 4 Gigabit SFP uplinks, the switch provides versatile connectivity options for both copper and fiber networks. This flexibility ensures that the switch can adapt to diverse deployment scenarios, from small office networks to larger campus or enterprise infrastructures.

Robust Firmware and Software Support

Cisco provides continuous firmware updates and support for the SG300-52, ensuring that the device remains secure and compatible with evolving networking standards. Updates often include bug fixes, performance enhancements, and new features, extending the lifespan of the switch and protecting investments. Cisco’s software support also offers detailed documentation, configuration guides, and best practice recommendations, helping administrators maximize the capabilities of the switch while maintaining a secure and stable network environment.

Business Continuity and Network Availability

Maintaining network availability is a top priority for businesses, and the SG300-52 addresses this with features designed to support business continuity. Dual firmware images allow administrators to maintain a backup copy of the operating system, enabling rapid recovery in case of a failure. Advanced redundancy features, including rapid spanning tree, link aggregation, and automatic failover, ensure minimal disruption to network services. These mechanisms are critical for environments that rely on uninterrupted connectivity for operational efficiency, customer service, and collaboration tools.

Comprehensive Troubleshooting Tools

The SG300-52 comes equipped with built-in diagnostic and troubleshooting tools, simplifying network maintenance and issue resolution. Features such as port mirroring, cable diagnostics, and real-time traffic monitoring provide administrators with the insights needed to identify and resolve network problems quickly. These tools reduce downtime, improve service levels, and enhance the overall reliability of the network infrastructure. With proactive monitoring and analysis, the switch helps prevent potential failures before they impact end users or critical business operations.

Industry Applications and Use Cases

The Cisco SG300-52 is suitable for a wide range of industry applications, including corporate offices, educational institutions, healthcare facilities, retail environments, and small to medium-sized data centers. In corporate offices, the switch supports high-speed connectivity for workstations, IP phones, and wireless access points, enabling efficient communication and collaboration. Educational institutions benefit from VLAN segmentation and multicast management for classroom networking and e-learning platforms. Healthcare facilities can leverage secure network segmentation for medical devices, electronic health records, and VoIP communications, ensuring compliance and privacy. Retail environments utilize the switch to manage point-of-sale systems, IP cameras, and inventory management devices, ensuring seamless operations.

Future-Proof Network Investments

Investing in the Cisco SG300-52 provides organizations with a future-proof networking solution. Its scalable design, advanced management capabilities, and integration with Cisco’s ecosystem ensure that the switch remains relevant as network demands grow. Businesses can expand their networks without replacing core infrastructure, supporting long-term IT strategies. By providing robust performance, security, and flexibility, the SG300-52 helps organizations maintain a competitive edge and adapt to technological advancements with minimal disruption.

Cost Efficiency and Total Ownership Value

The SG300-52 delivers high performance at a competitive price point, offering excellent value for businesses seeking managed network solutions. Its energy-efficient design reduces operational costs, while its reliability minimizes downtime and associated productivity losses. With centralized management, administrators can reduce the time and resources spent on network configuration and maintenance. Overall, the Cisco SG300-52 represents a cost-effective choice for organizations seeking a reliable, high-capacity, and feature-rich managed switch.