Cisco Switch 350 Overview: Material Standards, Technical Specifications, and Performance Insights

Types of Cisco Switch 350 Series

The Cisco Switch 350 Series is a family of managed Ethernet switches designed for small to medium-sized businesses (SMBs) and enterprise branch offices. Known for their reliability, ease of management, and robust feature sets, these switches support IPv6, advanced security, Quality of Service (QoS), and Layer 3 routing capabilities. This guide explores the key models in the Cisco 350 series, highlighting their specifications, use cases, and benefits to help you choose the right switch for your network infrastructure.

Cisco SG350-28

A versatile Layer 3 gigabit switch ideal for growing businesses requiring advanced routing and traffic management.

• 28 x 10/100/1000 Mbps Ethernet ports
• 4 x 1G SFP slots for fiber uplinks
• Switching capacity: 56 Gbps
• Forwarding rate: 40 Mpps
• Supports static routing, RIP v1/v2, and policy-based routing
• Runs Cisco’s proprietary IOS-like firmware with intuitive web interface

Advantages

• Layer 3 routing for network segmentation
• High port density for medium-sized networks
• Reliable performance with solid throughput
• Easy configuration via web GUI or CLI

Limitations

• No 10G uplinks (limited future scalability)
• Not ideal for high-bandwidth data centers
• SFP ports limited to 1G only

Best for: Mid-sized offices, campus networks, and environments needing basic Layer 3 functionality

Cisco SG350X-24

A high-performance enterprise-grade switch with 10G uplinks and support for advanced routing protocols.

• 24 x Gigabit Ethernet ports
• 4 x 10G SFP+ ports for high-speed uplinks
• Supports OSPF, EIGRP, and BGP for dynamic routing
• Advanced QoS and link aggregation (LACP)
• Enhanced security: DHCP snooping, Dynamic ARP Inspection, IP Source Guard
• Stackable for simplified management and scalability

Advantages

• 10G uplinks for future-proofing and high-speed backbone connections
• Ideal for complex, multi-site networks
• Superior security and traffic control
• Scalable via stacking and modular design

Limitations

• Higher cost compared to standard SG350 models
• Overkill for small office environments
• Steeper learning curve for novice administrators

Best for: Large enterprises, data centers, and networks with high availability and performance demands

Cisco SG350-28PM

A Power over Ethernet (PoE+) variant of the SG350-28, designed to power network devices without additional power supplies.

• All features of the SG350-28 with added PoE+ support
• Delivers up to 30W per port (PoE+ standard)
• Ideal for powering IP phones, wireless access points, IP cameras, and thin clients
• Total PoE budget: 370W, supporting multiple high-power devices
• Maintains Layer 3 routing and security features

Advantages

• Eliminates need for separate power adapters
• Reduces cable clutter and installation costs
• Centralized power management and remote reboot capability
• Supports modern VoIP and Wi-Fi 6 deployments

Limitations

• Higher power consumption and heat output
• PoE budget may limit number of powered devices
• Slightly higher cost than non-PoE models

Best for: Office networks with VoIP phones, surveillance systems, and wireless infrastructure

Cisco SF350-48

A high-density, energy-efficient 48-port gigabit switch in a compact 1U form factor for space-constrained environments.

• 48 x Gigabit Ethernet ports in a single rack unit
• User-friendly web-based and CLI management interfaces
• Supports RADIUS and TACACS+ for secure, centralized authentication
• Advanced QoS for prioritizing voice, video, and critical applications
• Energy Star certified for low power consumption and environmental efficiency
• Ideal for ISPs, schools, and small enterprises

Advantages

• High port density in compact size
• Energy-efficient design reduces operational costs
• Strong security with enterprise-grade authentication
• Excellent for bandwidth-intensive applications

Limitations

• Layer 2 only (no Layer 3 routing)
• No SFP or 10G uplinks
• Limited scalability for growing networks

Best for: Server rooms, ISPs, educational institutions, and green IT initiatives

Model	Ports	Uplink Speed	Layer Support	PoE Support	Best Use Case
SG350-28	28 x 1G + 4 SFP	1G	Layer 3	No	Medium businesses, basic routing needs
SG350X-24	24 x 1G + 4 SFP+	10G	Layer 3 (Advanced)	Optional (via module)	Large enterprises, high-performance networks
SG350-28PM	28 x 1G + 4 SFP	1G	Layer 3	Yes (PoE+)	VoIP, surveillance, wireless deployments
SF350-48	48 x 1G	1G (copper)	Layer 2	No	High-density, energy-efficient environments

Expert Tip: When deploying PoE switches like the SG350-28PM, always calculate your total power budget to ensure the switch can support all connected devices. Overloading the PoE capacity can lead to port shutdowns or unstable performance.

Pro Advice: For networks planning future expansion, consider the SG350X series for its 10G uplinks and stacking capabilities. This investment ensures long-term scalability and avoids costly upgrades down the line.

Function, Features, and Design of Cisco Switch 350 Series

The Cisco Switch 350 Series is a family of smart and managed switches designed for small to medium-sized businesses and enterprise branch offices. Engineered for reliability, performance, and ease of use, these switches provide essential networking capabilities that support modern business operations. Whether used for connecting workstations, IP phones, or wireless access points, the Cisco 350 Series ensures seamless communication and efficient data flow across the local area network (LAN).

Core Functions and Network Performance

At its core, the Cisco Switch 350 performs high-speed data packet switching within a LAN environment, ensuring fast and reliable delivery of information between connected devices. Unlike basic unmanaged switches, the 350 Series supports Layer 3 switching capabilities, enabling it to perform IP routing between VLANs and subnets. This allows organizations to segment their networks logically without sacrificing performance, reducing latency and improving overall network efficiency.

These switches are equipped with intelligent traffic management features such as Quality of Service (QoS), which prioritizes critical applications like VoIP and video conferencing over less time-sensitive traffic. Additionally, Link Aggregation (LACP) enables multiple physical ports to be combined into a single logical channel, increasing bandwidth and providing redundancy for mission-critical connections.

The scalability of the Cisco 350 Series makes it ideal for dynamic environments where user demands fluctuate. With support for up to hundreds of devices and seamless integration into larger Cisco networking ecosystems, these switches deliver consistent performance even during peak usage periods.

Layer 2 and Layer 3 Capabilities

The Cisco 350 Series operates primarily at Layer 2 (Data Link Layer), handling MAC address-based switching with precision. However, advanced models offer static routing at Layer 3 (Network Layer), allowing internal routing between subnets without relying on an external router. This hybrid functionality enhances network segmentation and improves response times for inter-VLAN communication.

Traffic Optimization

Advanced features like QoS, bandwidth limiting, and storm control help minimize network congestion and ensure optimal performance. By classifying and prioritizing traffic based on application type or device, the switch maintains service quality even under heavy load, making it suitable for real-time communication systems.

Key Features of the Cisco Switch 350 Series

Power over Ethernet (PoE/PoE+): Most models in the 350 Series support PoE or PoE+, delivering power and data over a single Ethernet cable. This eliminates the need for separate power supplies for devices such as IP phones, wireless access points, security cameras, and IoT sensors—reducing cabling complexity, installation costs, and outlet requirements.

IPv6 Readiness: As organizations transition from IPv4 to IPv6, the Cisco 350 Series offers full support for IPv6 routing, filtering, and management. This future-proofs the network infrastructure and ensures compatibility with next-generation internet protocols.

Enhanced Security Mechanisms: The switch includes robust security features such as 802.1Q VLAN tagging, Access Control Lists (ACLs), port security, and DHCP snooping. These tools allow administrators to isolate sensitive departments, prevent unauthorized access, and protect against common network threats like MAC flooding and rogue DHCP servers.

Energy-Efficient Ethernet (EEE): Built-in energy-saving technology reduces power consumption during periods of low data activity, contributing to lower operational costs and environmental sustainability.

Stacking and Expandability: While not all models support stacking, many variants allow for scalable deployment through uplink ports and daisy-chaining, enabling network growth without sacrificing manageability.

Feature	Benefit	Use Case Example
Layer 3 Static Routing	Enables inter-VLAN routing without external router	Connecting finance and HR departments on separate subnets
PoE+ Support (up to 30W per port)	Power high-demand devices like PTZ cameras or dual-band APs	Deploying wireless access points in ceiling-mounted locations
Web-Based GUI Management	User-friendly interface for quick setup and monitoring	Small business IT staff managing network without CLI expertise
CLI Access via SSH/Telnet	Advanced configuration and automation for experienced users	Enterprise environments requiring script-based deployments
VLAN & ACL Support	Improved network segmentation and access control	Securing guest Wi-Fi from internal corporate resources

Design and Usability

The Cisco Switch 350 Series is designed with practicality and user experience in mind. Available in a compact 1U rack-mountable form factor, it fits neatly into server racks or network closets, making it ideal for space-constrained environments. Its sleek, professional design blends well in both office and technical settings.

All models feature a front-panel layout with intuitive LED indicators that display port activity, link status, speed, and PoE delivery at a glance. This allows for quick diagnostics and troubleshooting without needing software tools.

Management options are flexible: the switch offers a web-based graphical user interface (GUI) for straightforward configuration, ideal for users who prefer visual navigation. At the same time, it retains full Command Line Interface (CLI) support via SSH or console connection, catering to IT professionals familiar with Cisco’s IOS-like syntax for advanced scripting and automation.

Additionally, the fanless design of many models ensures silent operation, making them suitable for deployment in quiet environments such as offices, classrooms, or retail spaces. The energy-efficient architecture further reduces heat output and power consumption, contributing to lower total cost of ownership.

Important: Always ensure firmware is up to date to benefit from the latest security patches, performance improvements, and feature enhancements. Misconfigurations in VLANs or ACLs can lead to connectivity issues or security vulnerabilities. When deploying PoE devices, verify power budgets to avoid overloading the switch. For optimal performance and support, use genuine Cisco cables and accessories.

Scenarios of Cisco Switch 350 Series

The Cisco Catalyst 350 Series switches are reliable, scalable, and intelligent networking solutions designed to meet the evolving needs of modern businesses. These managed switches offer a balance of performance, security, and ease of use, making them ideal for a wide range of deployment scenarios—from small offices to large enterprise environments. With support for advanced features like Power over Ethernet (PoE), Quality of Service (QoS), Layer 3 routing, and IPv6, the Cisco 350 Series delivers consistent, high-performance connectivity across diverse network infrastructures.

Small to Medium-Sized Businesses (SMBs)

SMBs typically operate with limited IT resources and require network solutions that are easy to deploy, manage, and scale. The Cisco 350 Series excels in this environment by offering an intuitive web-based interface and cloud-manageable options that reduce the need for specialized networking expertise.

• Simple Management: Features like Cisco Business Dashboard enable centralized monitoring and configuration without requiring command-line knowledge
• Cost-Effective Scalability: Available in 8 to 48-port models, these switches grow with your business, supporting additional users, devices, and applications
• Power over Ethernet (PoE/PoE+): Powers IP phones, wireless access points, and IoT devices over a single Ethernet cable, reducing cabling complexity and electrical costs
• Security Built-In: Includes MAC address filtering, VLAN segmentation, and Secure Boot to protect against unauthorized access and firmware tampering

Best Use Case: Ideal for retail stores, medical offices, schools, and branch offices needing reliable, secure, and easy-to-manage network infrastructure.

Enterprise Networks

In large-scale enterprise environments, network efficiency, scalability, and future-readiness are critical. While core switching may be handled by higher-tier switches, the Cisco 350 Series plays a vital role in access and distribution layers, especially in satellite offices or departmental networks.

• Layer 3 Routing: Supports static routing and dynamic protocols like RIP and OSPF, enabling efficient inter-VLAN communication and optimized traffic flow
• IPv6 Readiness: Full IPv6 support ensures compatibility with next-generation network services and long-term infrastructure planning
• High Availability: Features like Link Aggregation (LACP) and Spanning Tree Protocol (STP) enhance network resilience and prevent downtime
• Application Prioritization: Advanced QoS ensures mission-critical applications (ERP, CRM, VoIP) receive priority bandwidth

Strategic Advantage: Serves as a cost-efficient, standards-compliant edge solution that integrates seamlessly into larger Cisco-powered enterprise ecosystems.

VoIP and Video Surveillance Implementations

Real-time communication and security systems demand stable, low-latency, and power-efficient network infrastructure. The Cisco 350 Series is engineered to support bandwidth-intensive applications like Voice over IP (VoIP) and IP-based video surveillance with exceptional reliability.

• PoE++ Support (on select models): Delivers up to 30W per port, sufficient to power high-end VoIP phones, PTZ cameras, and Wi-Fi 6 access points
• Traffic Prioritization: QoS policies automatically classify and prioritize voice and video traffic to minimize jitter, latency, and packet loss
• VLAN Segmentation: Isolates voice and surveillance traffic from general data, enhancing both performance and security
• Energy Efficiency: Intelligent power management reduces energy consumption while maintaining consistent device operation

Deployment Tip: Combine with Cisco IP phones and Meraki MV cameras for a fully optimized, plug-and-play unified communications and security solution.

Educational Institutions and Healthcare Facilities

While not explicitly mentioned in the original content, these environments benefit significantly from the Cisco 350 Series due to their hybrid needs for security, scalability, and application support.

• Secure Guest Access: Enables safe Wi-Fi for students, patients, or visitors through guest VLANs and captive portals
• IoT and Medical Device Support: Powers and connects smart boards, nurse call systems, and diagnostic equipment via PoE
• Compliance Ready: Helps meet HIPAA, FERPA, and other regulatory standards through access control and network segmentation
• Durable Performance: Fanless models available for quiet operation in classrooms and patient rooms

Hidden Benefit: Long-term firmware support and regular security updates ensure compliance and protection over the device lifecycle.

Pro Tip: When deploying Cisco 350 Series switches in mixed-use environments, configure QoS policies early and segment traffic using VLANs. This ensures optimal performance for real-time applications while maintaining network security and manageability. Consider stacking-capable models for simplified management across multiple switches in larger deployments.

Deployment Scenario	Key Features Utilized	Recommended Models	Primary Benefits
Small Office / Retail	Web UI, PoE+, VLANs	SG350X-24P, CBS350-24P	Easy setup, low TCO, device consolidation
Enterprise Branch	Layer 3 routing, IPv6, LACP	SG350X-48MP, CBS350-48MP	Scalable, secure, future-ready
VoIP & Surveillance	QoS, PoE+, Traffic Shaping	SG350-10P, CBS350-24P	Reliable voice/video, reduced cabling
Education / Healthcare	VLANs, Access Control, EnergyWise	CBS350-16FP, SG350X-8	Secure segmentation, quiet operation, compliance

Additional Considerations for Optimal Deployment

• Firmware Updates: Regularly update switch firmware to ensure security patches, bug fixes, and new feature availability
• Stacking Options: Use stackable models for simplified management of multiple switches as a single unit
• Cloud Management: Leverage Cisco Business Dashboard for remote monitoring, configuration, and alerts
• Environmental Factors: Choose fanless models for noise-sensitive areas and industrial-grade enclosures for harsh environments
• Support and Warranty: Cisco offers lifetime hardware warranty on many 350 Series models, providing long-term investment protection

How to Choose the Right Cisco Switch 350 Series for Your Network

Selecting the appropriate Cisco Catalyst 350 Series switch is essential for building a reliable, scalable, and secure network infrastructure. Whether you're managing a small business, branch office, or mid-sized enterprise, understanding the key features and differences across the 350 series lineup will help you make an informed decision. This guide breaks down the most important considerations—scalability, power capabilities, quality of service, and security—to ensure optimal performance and future-proofing.

Important Note: The Cisco 350 Series (formerly known as the SG300/SG500) is designed for small to medium-sized businesses seeking enterprise-grade performance without the complexity of higher-end switches. Always verify compatibility with your existing infrastructure before deployment.

1. Assess Your Network Size and Performance Needs

The first step in choosing the right Cisco 350 switch is evaluating the scale and complexity of your network. Different models are tailored to specific use cases:

• Small Offices or Workgroups: For basic connectivity needs, models like the Cisco SG350-10 (10-port) or SG350-28 offer cost-effective Layer 2 switching with intuitive management via Cisco Business Dashboard.
• Medium-Sized Businesses: Organizations requiring enhanced performance, VLAN support, and static routing should consider the SG350X-24P or SF350-48, which provide Layer 3 Lite capabilities such as inter-VLAN routing and OSPF support.
• High-Density Environments: The SG350X stackable switches allow multiple units to be managed as a single entity, improving redundancy and simplifying administration in growing networks.

2. Power over Ethernet (PoE) and Energy Efficiency

If your network includes PoE-powered devices such as IP phones, wireless access points, security cameras, or digital signage, selecting a PoE-enabled model is crucial.

• PoE Models: Switches like the SG350-28P and SG350X-48P deliver up to 30W per port (PoE+), supporting high-power devices without requiring external power supplies.
• Power Budget: Check the total PoE budget (e.g., 370W on SG350X-48P) to ensure it can support all connected devices simultaneously.
• Energy Efficiency: Cisco 350 Series switches are Energy Star certified, featuring energy-efficient Ethernet (EEE) that reduces power consumption during low-traffic periods. This not only lowers operational costs but also supports sustainability goals.

3. Quality of Service (QoS) for Critical Applications

For businesses relying on real-time applications such as VoIP, video conferencing, cloud services, or ERP systems, robust QoS is essential to maintain performance under load.

• Advanced QoS features allow traffic prioritization based on application type, source/destination IP, or VLAN.
• Models like the SG350X support sophisticated QoS policies, including rate limiting, traffic shaping, and DSCP marking, ensuring mission-critical data receives priority over less urgent traffic.
• Auto-QoS presets simplify configuration for common applications like Microsoft Teams or Cisco Webex.

4. Security Features to Protect Your Network

Security should never be an afterthought. The Cisco 350 Series includes a comprehensive set of security tools to defend against internal and external threats:

• VLAN Segmentation: Isolate departments, guest networks, or IoT devices to minimize attack surface.
• Access Control Lists (ACLs): Filter traffic based on IP addresses, protocols, or ports to enforce security policies.
• Dynamic ARP Inspection (DAI): Prevents ARP spoofing attacks that could lead to man-in-the-middle breaches.
• DHCP Snooping: Blocks rogue DHCP servers and protects against IP address spoofing.
• Port Security: Limits the number of MAC addresses allowed per port, preventing unauthorized device connections.
• Secure Management: Supports SSH, SNMPv3, HTTPS, and RADIUS/TACACS+ for encrypted and authenticated access.

Model	Ports	Layer Support	PoE+	Key Use Case
SG350-10	10 x 1G	Layer 2	No	Small office, basic switching
SG350-28P	28 x 1G + 2 SFP	Layer 2	Yes (up to 370W)	IP phones, Wi-Fi APs
SG350X-24P	24 x 1G + 4 SFP+	Layer 3 Lite	Yes (up to 370W)	Mid-sized business, inter-VLAN routing
SF350-48	48 x 1G + 2 SFP	Layer 2	No	High-density non-PoE environments
SG350X-48P	48 x 1G + 4 SFP+	Layer 3 Lite	Yes (up to 370W)	Enterprise branch, PoE-heavy deployments

Expert Tip: Consider stackable models (e.g., SG350X series) if you anticipate future growth. Stacking allows you to add capacity seamlessly while managing multiple switches through a single IP address, reducing administrative overhead and improving network resilience.

Final Recommendations

• Match the switch to your current and projected number of users and devices.
• Prioritize PoE+ if deploying IP cameras, VoIP phones, or wireless access points.
• Choose Layer 3 Lite models if you need inter-VLAN routing or advanced QoS.
• Leverage Cisco Business Dashboard for simplified cloud-based monitoring and configuration.
• Always update to the latest firmware to benefit from security patches and feature enhancements.

By carefully aligning your business requirements with the capabilities of the Cisco 350 Series, you can build a network that is not only reliable and secure but also ready to scale with your organization’s evolving needs. When in doubt, consult a certified Cisco partner for a tailored solution.

Frequently Asked Questions About Cisco Switch 350 Series

Q. Do Cisco Switch 350 models support Power over Ethernet (PoE)?

Yes, many models in the Cisco Switch 350 series come equipped with Power over Ethernet (PoE and PoE+) capabilities, allowing them to deliver electrical power along with data over standard Ethernet cables. This feature is especially beneficial for powering devices such as IP phones, wireless access points, security cameras, and other networked IoT devices without requiring separate power supplies.

• PoE Standards: Supports IEEE 802.3af (PoE) and 802.3at (PoE+), delivering up to 15.4W and 30W per port respectively.
• Use Case Benefits: Reduces cabling clutter, lowers installation costs, and simplifies deployment in areas where power outlets are limited or inconveniently located.
• Power Budget: Total available PoE power varies by model (e.g., SG350XG-24P has up to 370W), enabling support for multiple high-power devices simultaneously.

This makes the Cisco Switch 350 an ideal choice for organizations looking to deploy converged networks with minimal infrastructure complexity.

Q. What types of networks benefit most from the Cisco Switch 350 series?

The Cisco Switch 350 series is designed for versatility and performance across a variety of network environments. It is particularly well-suited for:

• Small to Medium-Sized Businesses (SMBs): Offers enterprise-grade features at a cost-effective price point, making it ideal for growing businesses that need reliable switching with advanced capabilities.
• Branch Offices: Provides secure, manageable connectivity for remote locations within larger enterprise networks.
• Educational Institutions: Supports classroom technologies, Wi-Fi access points, and administrative systems with dependable performance.
• Healthcare Facilities: Enables secure and stable connections for medical devices, VoIP phones, and patient management systems.
• Enterprise Edge Networks: Serves as a trusted access layer switch in larger networks requiring robust Quality of Service (QoS), VLAN segmentation, and traffic prioritization.

With features like Layer 2 and Layer 3 Lite routing, stacking options, and energy-efficient design, the Switch 350 series delivers scalability and reliability where it's needed most.

Q. Do Cisco Switch 350 switches support IPv6?

Yes, the Cisco Switch 350 series is fully IPv6-ready, providing comprehensive support for next-generation internet protocols. This ensures your network remains future-proof as global adoption of IPv6 continues to grow.

• IPv6 Routing: Supports static IPv6 routing and RIPng (Routing Information Protocol next generation) for efficient internal network communication.
• Access Control: Includes IPv6 Access Control Lists (ACLs) to filter and secure IPv6 traffic based on source, destination, and protocol.
• Management Access: Allows IPv6-based SSH, SNMP, HTTP/HTTPS, and ping for remote monitoring and configuration.
• Dual-Stack Support: Operates in mixed IPv4/IPv6 environments, enabling smooth transition strategies without disrupting existing services.

These capabilities make the Cisco Switch 350 a strong choice for organizations preparing for long-term network evolution and compliance with modern networking standards.

Q. Are the security features of the Cisco Switch 350 robust?

Yes, the Cisco Switch 350 series includes a comprehensive suite of security features designed to protect network integrity, prevent unauthorized access, and mitigate common threats.

• VLAN Support: Enables network segmentation to isolate sensitive departments or functions (e.g., finance, HR) and reduce attack surface.
• Access Control Lists (ACLs): Filters traffic at Layer 2 through Layer 4, allowing granular control over which devices and users can communicate.
• Dynamic ARP Inspection (DAI): Prevents ARP spoofing attacks by validating ARP packets before forwarding them.
• DHCP Snooping: Blocks rogue DHCP servers and helps ensure only authorized devices assign IP addresses.
• Port Security: Limits the number of MAC addresses per port to prevent MAC flooding attacks.
• Secure Management: Supports SSHv2, HTTPS, and RADIUS/TACACS+ authentication for encrypted and authenticated administrative access.

These built-in protections provide a strong security posture suitable for environments where data confidentiality, availability, and regulatory compliance are critical.

Q. What management interfaces are available for the Cisco Switch 350?

The Cisco Switch 350 offers flexible and intuitive management options tailored to both novice and experienced network administrators.

• Web-Based GUI: A user-friendly graphical interface accessible via a web browser, ideal for quick setup, monitoring, and configuration without needing command-line expertise.
• Command-Line Interface (CLI): Full CLI support via console, SSH, or Telnet for advanced users familiar with Cisco IOS-style commands, enabling automation and script-based management.
• SNMP Support: Compatible with SNMPv1, v2c, and v3 for integration with network monitoring tools like SolarWinds, PRTG, or Cisco Prime.
• Cisco Network Assistant: Free software tool that simplifies configuration and management of multiple Cisco switches from a single console.
• Cloud Ready: Can be integrated with Cisco’s DNA Center and other cloud-based management platforms for centralized oversight in larger deployments.

Whether you prefer point-and-click simplicity or granular control through the CLI, the Cisco Switch 350 provides the tools needed for efficient, scalable network administration.