Cisco CBS350 Switches: Features, Models, Stacking for SMBs

The Cisco CBS350 family covers multiple SMB switch PIDs with different ports, PoE, uplinks, software, stacking, lifecycle, and support boundaries. Use the CBS350 lifecycle guide, SMB selection guide, and Catalyst hub before selecting an exact SKU.

Lifecycle alert: Cisco has published an End-of-Life notice for select CBS350 PIDs. Match the full PID and region suffix against the official select-model notice; do not apply its dates to every CBS350 model.

Product Features

Smart Managed Switches:
The CBS350 Series provides smart management, offering businesses an intuitive, web-based interface and advanced network monitoring.
Gigabit Ethernet and PoE+ Support:
Multiple Gigabit Ethernet ports, with the ability to provide Power over Ethernet Plus (PoE+), are perfect for powering devices like phones, cameras, and access points directly through the switch.
Security and Network Control:
The Cisco CBS350 Series comes with robust security features such as 802.1X authentication, ACLs (Access Control Lists), and DHCP snooping to protect network data and devices.
Quality of Service (QoS):
Built-in QoS helps prioritize bandwidth for critical applications like VoIP and video conferencing, ensuring smooth operations for your most important services.
Stacking: availability, member count, topology, bandwidth, and mixed-model support depend on the exact CBS350 PID and software release. Verify Cisco documentation before ordering stack members.

Cisco CBS350 Series Models

The Cisco CBS350 Series includes several models to meet the varying needs of SMBs. Below is a comparison of the models based on their specifications:

Model	Ports	PoE+ Ports	Uplink Ports	Stackable	Performance	Additional Features
CBS350-8T-2G	8 x Gigabit Ethernet	2	2 x 1G SFP	Yes	16.48 Mpps	Compact, PoE+ capable
CBS350-24T-4G	24 x Gigabit Ethernet	4	4 x 1G SFP	Yes	48.2 Mpps	Ideal for SMBs, PoE+ support
CBS350-48T-4G	48 x Gigabit Ethernet	4	4 x 1G SFP	Yes	95.23 Mpps	High port density, scalable
CBS350-24P-4G	24 x Gigabit Ethernet	24	4 x 1G SFP	Yes	48.2 Mpps	Full PoE+ for powering devices
CBS350-48P-4G	48 x Gigabit Ethernet	48	4 x 1G SFP	Yes	95.23 Mpps	High-density PoE+, ideal for large networks

How to Stack Cisco CBS350 Switches?

Stacking Cisco CBS350 switches allows businesses to create a seamless, high-performance network with expanded capacity. To stack these switches:

Connect the Stack Cables:
Use stack cables to physically link the switches. The CBS350 Series supports up to 8 switches in a stack for larger network deployments.
Stack Configuration:The primary switch in the stack becomes the master, controlling configuration and management. Additional switches are connected as members of the stack, sharing the same configuration and management interface.
The primary switch in the stack becomes the master, controlling configuration and management.
Additional switches are connected as members of the stack, sharing the same configuration and management interface.
Management:
Once stacked, the entire stack can be managed from a single web-based GUI or through SNMP. Stack members share the same IP address, reducing the complexity of managing multiple devices.
Benefits of Stacking:Simplified management with a single IP address for all switches. Greater scalability without the need for additional management overhead. Increased redundancy and reliability, as the stack can continue functioning even if one switch fails.
Simplified management with a single IP address for all switches.
Greater scalability without the need for additional management overhead.
Increased redundancy and reliability, as the stack can continue functioning even if one switch fails.

Product Naming Convention

The Cisco CBS350 Series follows a specific naming convention to differentiate between the various models and their capabilities. Here’s how to decode the model numbers:

CBS350-24T-4G: CBS350: Indicates the product series. 24T: Refers to the number of standard Gigabit Ethernet ports (24). 4G: Refers to the number of Gigabit SFP uplink ports (4). P: Indicates that the model supports Power over Ethernet (PoE+).
CBS350: Indicates the product series.
24T: Refers to the number of standard Gigabit Ethernet ports (24).
4G: Refers to the number of Gigabit SFP uplink ports (4).
P: Indicates that the model supports Power over Ethernet (PoE+).

The naming structure helps users quickly understand the features and capabilities of the switch before purchasing.

Conclusion

The Cisco CBS350 Series is a versatile and scalable solution for SMBs, offering excellent performance, advanced security, and powerful management features. With options ranging from compact 8-port models to high-density 48-port models, the CBS350 Series can meet the needs of any growing business. Whether you are expanding your current network or setting up a new one, these switches provide reliable and cost-effective solutions that can be easily managed and scaled.

Frequently Asked Questions (FAQ)

Q1: What are the key differences between Cisco CBS350 Series and Cisco Catalyst 2960-X Series switches?

CBS350 and Catalyst 2960-X belong to different product generations and management models. Compare the exact PIDs for ports, PoE, uplinks, Layer 3 features, stacking, software, lifecycle, support, and operating requirements instead of applying a family-wide capability label.

The CBS350 Series offers smart managed switches, making it a more cost-effective choice for SMBs, with an intuitive web-based interface for easy management.
The Catalyst 2960-X Series is a more advanced, enterprise-class solution with Layer 3 capabilities and higher feature sets such as routing and advanced QoS.
CBS350 switches are typically more affordable for smaller networks, while Catalyst switches are more suited to larger, more complex networks with higher performance demands.

Q2: How do I configure Power over Ethernet (PoE) on my Cisco CBS350 switch?

PoE availability and budget depend on the exact CBS350 PID and installed power design. Follow the administration guide for that software release, verify endpoint class and cabling, allocate a power budget, and confirm actual port status before deployment.

Log into the switch's web interface using your administrator credentials.
Navigate to the PoE Configuration section in the interface.
Select the ports where you want to enable PoE, ensuring that those devices connected to those ports are PoE+ compatible (such as IP phones, cameras, or access points).
You can also set the maximum power allocation per port depending on your devices' needs.
Once configured, you can monitor the power status and usage through the interface, ensuring that your devices are receiving adequate power.

Q3: How many switches can be stacked together in a Cisco CBS350 series?

Do not assume every CBS350 model supports the same stack size. Verify the exact PID, current firmware, supported stack members, topology, bandwidth, and restrictions in Cisco documentation before designing a stack.

Q4: Can I use Cisco CBS350 switches in a network that includes older Cisco switches, such as the Catalyst 2960?

CBS350 can interoperate with older switches through supported Ethernet and IP standards, but VLAN, STP, LAG, routing, authentication, QoS, optics, MTU, and management behavior must be tested. Different families do not become one physical stack merely because they interoperate.

Compatibility: validate VLAN, STP, LAG, routing, authentication, QoS, optics, MTU, and management behavior for both exact switch models.
Management: You will need to manage the CBS350 switches separately if they are not stacked with similar models. For network optimization, consider upgrading all switches to a unified series for ease of management.
PoE Support: Ensure that any PoE-powered devices are connected to PoE-capable ports on the CBS350 Series.

Q5: Can the Cisco CBS350 Series support VLANs?

CBS350 supports VLAN segmentation, but scale and feature limits are PID- and software-specific. Check the current data sheet and administration guide for the exact model rather than using one VLAN limit for the entire family.

Q6: What is the warranty period for Cisco CBS350 switches?

Warranty, replacement service, software access, and support terms vary by PID, region, seller, purchase date, and current Cisco policy. Verify the written terms for the exact unit before purchase; this article does not promise next-business-day replacement.

Q7: How do I reset my Cisco CBS350 switch to factory defaults?

Use the reset procedure in the administration or hardware guide for the exact PID and firmware. Back up the configuration first, confirm that credentials and settings will be erased, and verify the device returns to the documented initial state.

Locate the Reset button on the front panel of the switch.
With the switch powered on, press and hold the Reset button for about 10 seconds.
Release the button once the switch begins the reset process. The switch will reboot, and all configurations will be wiped, returning it to the original factory settings.

Alternatively, you can also perform a reset through the web interface by navigating to the system settings and choosing the factory reset option.

Q8: Is the Cisco CBS350 Series compatible with other third-party network devices?

CBS350 can interoperate with standards-compliant third-party devices when speed, duplex, VLAN, STP, LAG, authentication, QoS, PoE, optics, and cabling requirements match. Validate critical combinations in a representative test before rollout.

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