SRW2048-K9-NA Cisco SG300-52 Gigabit Ethernet Switch

Cisco SRW2048-K9-NA SG300-52 Managed Switch Overview

The Cisco SRW2048-K9-NA is a high-performance 52-port managed switch designed for modern enterprise networks. Combining advanced Layer 2 and Layer 3 capabilities, this switch delivers robust network management, high throughput, and exceptional reliability.

Key Manufacturer Details

• Manufacturer: Cisco
• Model / SKU: SRW2048-K9-NA
• Product Type: Managed Switch
• Port Count: 52 Ports

Technical Specifications

Device Features

• Type: 52-Port L3 Managed Switch
• Form Factor: 1U Rack-Mountable Enclosure
• Ethernet: Gigabit Connectivity
• Ports: 50 x 10/100/1000 + 2 x Combo Gigabit SFP
• Switching Capacity: 104 Gbps
• Forwarding Performance: 77.38 Mpps (64-byte packets)
• VLAN Support: Up to 256 Virtual Interfaces
• MAC Address Table: 8,000 Entries
• Jumbo Frame Support: Up to 10 KB

Routing and Management

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

Advanced Features

• Layer 2 and Layer 3 Switching
• DHCP & BOOTP Support
• IGMP and MLD Snooping
• Spanning Tree Protocols: STP, RSTP, MSTP
• Access Control Lists (ACL) for Enhanced Security
• Port Mirroring and Storm Control (Unicast, Multicast, Broadcast)
• Quality of Service (QoS) with Weighted Round Robin (WRR)
• Firmware Upgradeable and IPv6 Ready

Standards and Compliance

• IEEE 802.3, 802.3u, 802.3z, 802.3ab
• IEEE 802.1d, 802.1q, 802.1p, 802.1w, 802.1s, 802.1x
• IEEE 802.3x Flow Control & IEEE 802.3ad Link Aggregation (LACP)
• IEEE 802.1ab LLDP Support

Power, Size, and Weight

• Power Input: 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-NA SG300-52 52 Ports Managed Switch

The Cisco SRW2048-K9-NA SG300-52 Managed Switch represents a robust solution designed to enhance enterprise-level network efficiency, performance, and reliability. As a part of Cisco's SG300 series, this 52-port managed switch is engineered to cater to businesses requiring high-speed connectivity, scalable network management, and advanced security features. The switch combines intelligent traffic management with energy-efficient design, ensuring that enterprises can optimize network performance while minimizing operational costs. With full Layer 2 switching capabilities and basic Layer 3 functionality, the SG300-52 offers a balanced combination of versatility and performance suitable for medium to large-sized networks.

Comprehensive Network Management Capabilities

The SG300-52 Managed Switch is equipped with Cisco’s Smart Switch technology, which allows network administrators to efficiently manage traffic, configure VLANs, monitor bandwidth, and implement Quality of Service (QoS) policies. Its management interface provides both web-based graphical user interface (GUI) and command-line interface (CLI) support, enabling administrators to perform detailed configuration and monitoring tasks with ease. The switch supports SNMP (Simple Network Management Protocol), making it compatible with standard network management systems and allowing for automated alerts, traffic analysis, and detailed performance reporting.

Advanced VLAN and QoS Configuration

VLAN configuration on the SG300-52 allows businesses to segment their network logically, enhancing security and reducing congestion. Administrators can create multiple VLANs to separate departments, manage traffic more efficiently, and isolate sensitive data streams. The switch also supports 802.1p QoS prioritization, which is critical for ensuring that latency-sensitive applications, such as VoIP and video conferencing, receive high-priority treatment across the network. The combination of VLAN segmentation and QoS enables businesses to maintain seamless communication, prevent network bottlenecks, and improve overall productivity.

Layer 3 Static Routing and Inter-VLAN Communication

In addition to its Layer 2 capabilities, the SG300-52 provides Layer 3 static routing functionality, enabling inter-VLAN communication without the need for additional routing hardware. This functionality simplifies network architecture and reduces latency when data needs to move between separate VLANs. By integrating Layer 3 routing, the SG300-52 allows administrators to configure efficient routing paths, manage IP addressing schemes, and support multi-subnet environments, making it ideal for complex network setups.

Port Features and High-Speed Connectivity

The Cisco SG300-52 features 48 Gigabit Ethernet ports and 4 combo ports, providing exceptional connectivity options for a wide range of devices including servers, workstations, and IP-based peripherals. These ports deliver high-speed, full-duplex data transmission to support bandwidth-intensive applications such as cloud computing, video streaming, and data analytics. Each port can be individually configured for speed, duplex settings, and PoE (Power over Ethernet) where applicable, providing flexibility and control to network administrators. The inclusion of combo ports allows for either copper or fiber connections, enabling businesses to extend their network over longer distances while maintaining high-speed performance.

Energy Efficiency and Sustainability

Cisco’s EnergyWise technology is incorporated in the SG300-52, ensuring energy-efficient operation without compromising performance. The switch automatically adjusts power consumption based on link status and port activity, reducing energy usage during low traffic periods. This feature is particularly beneficial for organizations looking to minimize operational costs and adhere to sustainability goals. By optimizing power usage, the SG300-52 not only lowers electricity bills but also contributes to a reduced carbon footprint for enterprise networks.

Redundancy and Reliability Features

Network reliability is a critical factor for businesses, and the SG300-52 addresses this need through multiple redundancy features. Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) prevent network loops and ensure continuous network uptime even in the event of a failure in one of the network paths. Link aggregation allows administrators to combine multiple physical ports into a single logical connection, increasing bandwidth and providing failover support. These reliability mechanisms make the SG300-52 a dependable choice for enterprises that require uninterrupted network performance.

Security Features and Network Protection

Security is paramount in modern network environments, and the SG300-52 incorporates advanced security features to safeguard data and resources. Access control lists (ACLs) can be configured to restrict unauthorized access, while 802.1X authentication ensures that only authorized devices can connect to the network. The switch also supports port security, DHCP snooping, and dynamic ARP inspection, which collectively prevent unauthorized devices, rogue IP assignments, and ARP-based attacks. These security measures protect sensitive data and maintain compliance with corporate and industry-specific security standards.

Integration with Cisco Ecosystem

The SG300-52 integrates seamlessly with other Cisco networking products, allowing for a unified and manageable infrastructure. Features such as Cisco Discovery Protocol (CDP) provide network administrators with visibility into connected devices, simplifying troubleshooting and network monitoring. Integration with Cisco’s network management platforms enables centralized monitoring, configuration backups, and firmware updates, reducing administrative overhead and enhancing operational efficiency.

Use Cases and Deployment Scenarios

The SG300-52 Managed Switch is highly versatile and can be deployed in various network scenarios. In enterprise offices, it can serve as the backbone switch connecting multiple access layer switches, ensuring high-speed data flow across departments. In data centers, it can act as a top-of-rack switch, providing high-bandwidth connections to servers and storage systems. The switch is also suitable for small and medium-sized businesses seeking a scalable solution that supports growth without requiring frequent hardware upgrades. Its robust management features, security capabilities, and high port density make it an excellent choice for organizations with demanding network requirements.

Collaboration and Unified Communications

With support for PoE and QoS, the SG300-52 is ideal for environments deploying VoIP phones, video conferencing systems, and other unified communication devices. The switch ensures that voice and video traffic are prioritized, reducing latency and packet loss while maintaining high-quality communication. Businesses implementing collaboration tools can benefit from the SG300-52’s ability to handle multiple concurrent real-time streams efficiently, contributing to improved productivity and communication quality.

Scalability and Future-Proofing

Scalability is a key consideration for growing enterprises, and the SG300-52 provides the flexibility to expand network capacity as needed. The switch supports stacking through Cisco’s FlexStack technology, allowing multiple SG300 switches to be managed as a single logical unit. This capability simplifies administration and enables the network to grow without adding complexity. In addition, the switch’s combination of copper and fiber ports ensures compatibility with future high-speed networking standards and infrastructure upgrades, protecting IT investments over time.

Monitoring and Troubleshooting Tools

The SG300-52 includes comprehensive monitoring and troubleshooting tools, enabling administrators to maintain optimal network performance. Features such as port mirroring, RMON (Remote Monitoring), and syslog logging provide real-time insights into network traffic and potential issues. Built-in diagnostic utilities such as cable testing and loop detection further simplify network maintenance, reducing downtime and enabling faster problem resolution. These tools are particularly valuable in complex networks where identifying bottlenecks and misconfigurations can be challenging.

Firmware Updates and Support

Cisco provides regular firmware updates for the SG300-52, ensuring that the switch remains compatible with emerging technologies and security standards. Administrators can schedule updates through the web-based GUI or CLI, allowing for minimal disruption to network operations. Cisco’s technical support and extensive documentation provide guidance on deployment, configuration, and troubleshooting, giving businesses confidence that their network infrastructure is backed by a trusted industry leader.

Comparative Advantages of Cisco SG300-52

Compared to other managed switches in its class, the SG300-52 offers an optimal balance of performance, manageability, and cost-efficiency. Its high port density reduces the need for additional switches, simplifying network architecture. Advanced management and security features allow enterprises to maintain control over traffic flow and protect critical data. Energy-efficient design reduces operational costs, while integration with the broader Cisco ecosystem ensures consistency and ease of administration. These advantages make the SG300-52 a preferred choice for organizations seeking a reliable, high-performance managed switch that can support current and future networking needs.

Industry Applications

The versatility of the SG300-52 extends to multiple industries including education, healthcare, retail, finance, and government. Educational institutions benefit from its ability to support high-density classroom and lab environments, while healthcare organizations leverage its reliability and security for sensitive patient data networks. Retail environments can utilize its high port count and PoE capabilities to power point-of-sale systems, surveillance cameras, and digital signage. Financial institutions rely on its secure and robust features for critical transaction processing networks. Government agencies adopt the switch for secure, mission-critical operations that demand high availability and performance.

Customer Success Stories and Implementation Insights

Organizations deploying the SG300-52 report significant improvements in network performance, reliability, and manageability. By segmenting networks with VLANs and implementing QoS for critical applications, businesses have achieved smoother operations and reduced downtime. The switch’s scalability has allowed growing enterprises to expand without complex reconfiguration, and its security features have protected sensitive information against unauthorized access and cyber threats. These successes highlight the SG300-52’s ability to meet diverse organizational needs and its value as a long-term networking investment.