Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch with SFP+ (EU) | Refresh
SKU: CBS350-24T-4X-EU-RF
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Overview of Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch with SFP+ (EU) | Refresh
The Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch with SFP+ (EU) is built for companies that require high-speed 10GbE uplinks, secure traffic control and advanced Layer 3 networking. It offers a useful access-layer platform for workstations, servers, storage systems, wireless infrastructure and other data-only network devices by combining four 10GbE SFP+ interfaces with 24 10/100/1000 Mbps RJ45 ports. The CBS350-24T-4X offers enterprise-oriented control in a small 1RU switch with a 128 Gbps switching capacity, 95.23 Mpps forwarding performance, IPv4/IPv6 routing, VLAN segmentation, QoS, sophisticated security and Cisco Business administration tools. Small and medium-sized enterprises, branch offices, educational institutions, healthcare facilities, retail establishments and professional network closets are all excellent candidates for it.
Key Features of Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch
• 24 × 10/100/1000BASE-T Gigabit Ethernet RJ45 ports provide reliable wired connectivity for computers, printers, servers, access points and network appliances.
• 4 × 10GbE SFP+ uplink ports support high-speed fiber or compatible direct-attach connections to core switches, servers, storage, and aggregation equipment.
• 10GbE SFP+ interfaces support 10GbE and 1GbE operation with compatible transceivers.
• Non-PoE design is suitable for data-only network deployments where connected devices are locally powered or use separate PoE infrastructure.
• 128 Gbps switching capacity and 95.23 Mpps forwarding performance provide wire-speed, nonblocking traffic handling.
• 1.5 MB packet buffer helps absorb short bursts of traffic across busy wired networks.
• Layer 3 IPv4 and IPv6 routing supports static routes, RIP, OSPF, policy-based routing, DHCP relay and inter-VLAN routing.
• Up to 990 IPv4 static routes and up to 128 IP interfaces support larger segmented business networks.
• VLAN, voice VLAN, guest VLAN, private VLAN edge, GVRP and GARP features help organize and isolate network traffic.
• IEEE 802.3ad LACP link aggregation increases bandwidth and resiliency for switch uplinks, servers and storage systems.
• STP, RSTP, MSTP, PVST+, Rapid PVST+, loop guard, root guard, BPDU filtering and BPDU protection help prevent Layer 2 loops.
• Advanced QoS provides eight hardware queues per port with traffic classification, rate limiting, policing, shaping and packet remarking.
• IEEE 802.1X, RADIUS, TACACS+, ACLs, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, IPv6 protections, port security and DoS prevention help secure network access.
• Cisco Business Dashboard, embedded web GUI, CLI, SNMP, Cisco Business mobile app and Network Plug and Play support flexible administration.
• Dual firmware images help reduce maintenance risk by providing a fallback image during software upgrades.
• 1RU rack-mountable chassis with internal power supply supports clean installation in professional network environments.
Benefits of Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch
🗹 Connects up to 24 Gigabit Ethernet endpoints from one centrally managed switch, making it suitable for workgroups, branch offices and small business access networks.
🗹 Reduces uplink congestion with four 10GbE SFP+ ports for high-speed connections to servers, storage, distribution switches and network cores.
🗹 Supports efficient local routing between VLANs, reducing unnecessary traffic through an external router or firewall while preserving policy control.
🗹 Separates users, departments, voice traffic, guest access, surveillance, wireless infrastructure and IoT devices with flexible VLAN and Layer 3 routing features.
🗹 Helps maintain dependable performance for VoIP, video conferencing, cloud applications, backups and large file transfers through configurable QoS.
🗹 Strengthens wired-network security with authenticated port access, ACLs, DHCP and ARP protections, IPv6 security controls and denial-of-service defenses.
🗹 Simplifies switch deployment and monitoring through Cisco Business Dashboard, browser-based management, mobile administration, CLI and SNMP.
🗹 Provides a scalable Gigabit access switch with 10GbE fiber uplinks for organizations planning future growth in server, storage and backbone connectivity.
🗹 Offers a professional 1RU form factor that fits standard network racks and structured cabling environments.
Specifications
Specifications for Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch with SFP+ (EU) | Refresh
| Manufacturer | Cisco |
| Manufacturer Part Number | CBS350-24T-4X-EU-RF |
| Product Name | Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch with SFP+ |
| Product Type | Networking Switch |
| Form factor | Fixed configuration, 1RU rack-mountable |
| Total system ports | 28 |
| RJ45 network ports | 24 × 10/100/1000BASE-T Gigabit Ethernet |
| Uplink ports | 4 × 10GbE SFP+ |
| PoE support | No; data-only, non-PoE model |
| Switching capacity | 128 Gbps |
| Forwarding rate | 95.23 Mpps for 64-byte packets |
| Switching architecture | Wire-speed, nonblocking |
| CPU | ARM processor at 800 MHz |
| DRAM | 512 MB |
| Flash memory | 256 MB |
| Packet buffer | 1.5 MB |
| MAC address table | Up to 16,000 entries |
| Jumbo frame support | Up to 9,000 bytes |
| Link aggregation | IEEE 802.3ad LACP; static and dynamic aggregation supported |
| Link aggregation groups | Up to 8 LAGs |
| Active ports per LAG | Up to 8 |
| Spanning Tree Protocol | IEEE 802.1D STP, IEEE 802.1w RSTP, IEEE 802.1s MSTP, PVST+, and Rapid PVST+ |
| MSTP instances | Up to 8 |
| PVST+ / Rapid PVST+ instances | Up to 126 |
| Loop protection | Loopback detection independent of STP |
| Flow control | IEEE 802.3x |
| Energy Efficient Ethernet | IEEE 802.3az |
| VLAN identifiers | Up to 4,094 VLAN IDs |
| Active VLANs | Up to 255 |
| VLAN support | IEEE 802.1Q tag-based VLANs and port-based VLANs |
| VLAN functions | Management VLAN, Guest VLAN, Voice VLAN, Private VLAN Edge, GVRP, and GARP |
| Voice VLAN | Supported with automatic voice traffic classification and QoS prioritization |
| Endpoint discovery | Cisco Discovery Protocol, LLDP, LLDP-MED, and Voice Services Discovery Protocol |
| Multicast support | IGMP snooping v1/v2/v3, IGMP querier, IGMP fast leave, source-specific multicast, MLD snooping v1/v2, and MLD querier |
| Multicast group capacity | Up to 1,024 groups |
| IPv4 routing | Static routing, RIP v2, OSPFv2, policy-based routing, DHCP relay, UDP relay, and CIDR |
| IPv6 routing | Static routing, RIPng, OSPFv3, policy-based routing, DHCP relay, UDP relay, and CIDR |
| IPv4 static routes | Up to 990 |
| IPv6 static routes | Up to 256 |
| IP interfaces | Up to 128 |
| Layer 3 interfaces | Physical port, LAG, VLAN interface, and loopback interface |
| DHCP services | DHCP relay, UDP relay, and DHCP server capability |
| First-hop redundancy | VRRP supported |
| Access control lists | Layer 2 through Layer 4 ACLs |
| ACL capacity | Up to 1,024 ACL rules |
| Port authentication | IEEE 802.1X |
| Authentication services | RADIUS authentication/accounting, TACACS+, MAC-based authentication, web-based authentication, and Guest VLAN |
| Security controls | Port security, DHCP snooping, IP Source Guard, Dynamic ARP Inspection, IPv6 Source Guard, IPv6 DHCP Guard, IPv6 Router Advertisement Guard, DoS protection, and storm control |
| QoS queues | 8 hardware priority queues per port |
| QoS scheduling | Strict Priority and Weighted Round Robin |
| QoS classification | Port, 802.1p CoS, DSCP, IP precedence, TCP/UDP port, VLAN, ACL, and MAC address |
| QoS functions | Rate limiting, policing, shaping, queue assignment, and packet remarking |
| Stacking | Supported on compatible Cisco Business 350 Series models; verify the exact software and hardware release before deployment |
| Firmware resiliency | Dual firmware images support upgrade rollback and operational continuity |
| Operating system | Customized Linux OS |
| Embedded management | Web-based GUI and configuration wizards |
| CLI access | RJ45 console, USB Type-B console, Telnet, and SSH |
| Centralized management | Cisco Business Dashboard |
| Mobile management | Cisco Business mobile app |
| Zero-touch provisioning | Cisco Network Plug and Play |
| SNMP | SNMPv1, SNMPv2c, and SNMPv3 |
| Monitoring | RMON, port mirroring, sFlow, cable diagnostics, event logging, and system logging |
| Secure management | HTTPS, SSH, SSL/TLS, SCP, RADIUS, TACACS+, and SNMPv3 |
| File transfer and configuration | TFTP, HTTP, HTTPS, SCP, configuration backup, and restore |
| Time synchronization | NTP and SNTP |
| IPv6 management | Supported |
| Bluetooth | Optional external Bluetooth dongle supported through USB Type-A port |
| Management ports | 1 × RJ45 console, 1 × USB Type-B console, and 1 × USB Type-A |
| LEDs | System, Link/Activity, and Speed |
| Ethernet standards | IEEE 802.3, 802.3u, 802.3ab, 802.3z, 802.3ae, 802.3x, 802.3ad, 802.3az, 802.1D, 802.1Q, 802.1p, 802.1w, 802.1s, 802.1X, and 802.1ab |
| Copper cabling | Category 5e or higher for 1000BASE-T |
| Supported uplink media | Compatible 10GbE SFP+ optical transceivers and supported direct-attach copper cables |
| Power supply | Internal universal AC power supply |
| AC input voltage | 100–240 VAC |
| Input frequency | 50–60 Hz |
| Maximum system power consumption | Approximately 27.5W at 110 VAC and 27.3W at 220 VAC |
| Maximum heat dissipation | Approximately 93.8 BTU/hr |
| Cooling | Active cooling with internal fan |
| Acoustic noise | Approximately 36.1 dB at 25°C |
| Dimensions, W × D × H | 445 × 345 × 44 mm (17.5 × 13.59 × 1.73 in.) |
| Weight | Approximately 4.15 kg (9.15 lb.) |
| Operating temperature | -5°C to 50°C (23°F to 122°F) |
| Operating humidity | 10% to 90%, noncondensing |
| Storage temperature | -25°C to 70°C (-13°F to 158°F) |
| Storage humidity | 10% to 90%, noncondensing |
| Mounting | Rack-mount hardware included; desktop placement supported with included rubber feet |
| Software licensing | Perpetual license; no subscription required for core switch operation |
User Guides
Frequently Asked Questions
Cisco CBS350-24T-4X 24-Port Gigabit Managed Network Switch
Frequently Asked Questions (FAQ's)
How many RJ-45 Ethernet ports does the CBS350-24T-4X provide?
It provides 24 10/100/1000 Mbps Gigabit Ethernet RJ-45 ports for computers, servers, printers, storage systems and other wired devices.
How many SFP+ interfaces are included?
The switch includes four dedicated SFP+ interfaces, providing four additional high-speed connections beyond the 24 copper ports.
Are all four SFP+ ports 10 Gigabit capable?
Yes. Cisco specifies four 10 Gigabit SFP+ interfaces for the CBS350-24T-4X.
Does the CBS350-24T-4X provide PoE?
No. The CBS350-24T-4X is a non-PoE model. Cisco offers the CBS350-24P-4X and CBS350-24FP-4X when powered Ethernet ports are required.
What is the switching capacity?
Cisco specifies a 128 Gbps switching capacity, providing wire-speed, nonblocking switching for demanding business environments.
What is the forwarding rate?
The CBS350-24T-4X provides a forwarding rate of approximately 95.23 million packets per second (Mpps).
How much packet buffer memory does the switch provide?
Cisco specifies a 1.5 MB dynamically shared packet buffer for this model.
Why are 10G SFP+ uplinks useful on a 24-port Gigabit switch?
Traffic from multiple Gigabit devices can converge toward the same upstream network resources. A 10GbE uplink provides considerably more bandwidth than a single 1GbE connection, helping reduce potential aggregation bottlenecks.
Can the CBS350-24T-4X connect over multimode fiber?
Yes. Cisco lists compatible SFP-10G-SR and SFP-10G-SR-S transceivers for 10GbE multimode fiber connections, with supported distances depending on the fiber type.
Can it connect over single-mode fiber?
Yes. Cisco lists SFP-10G-LR and SFP-10G-LR-S modules supporting 10 Gigabit single-mode fiber connections up to 10 km under specified conditions.
Does the switch support direct-attach copper cables?
Yes. Cisco lists compatible 1-meter, 3-meter, and 5-meter 10G SFP+ copper direct-attach cables, providing convenient short-distance connectivity.
Does the CBS350-24T-4X support VLANs?
Yes. VLAN functionality allows administrators to logically separate departments, servers, guests, management traffic and other network resources.
Does it provide Layer 3 routing?
Yes. The Cisco Business 350 Series provides Layer 3 capabilities in addition to Layer 2 switching, giving administrators greater flexibility when designing segmented networks.
Does the switch support Quality of Service?
Yes. QoS functionality helps classify and prioritize latency-sensitive or business-critical traffic such as voice and video.
Can the CBS350-24T-4X be stacked?
Yes. Cisco includes the CBS350-24T-4X among the models supported by its CBS350 stacking configuration tools and guidance.
Can the switch be used to connect servers?
Yes. Servers can connect through the 1GbE RJ-45 ports or through compatible higher-speed SFP+ connectivity where supported by the server's network interface.
Is this switch suitable for network-attached storage?
Yes. Compatible NAS systems can use the Gigabit access interfaces, while the 10G uplinks can provide higher-bandwidth connectivity where the storage hardware and network configuration support it.
What are the dimensions of the CBS350-24T-4X?
Cisco specifies dimensions of approximately 445 x 240 x 44 mm (17.5 x 9.45 x 1.73 inches).
Is the CBS350-24T-4X rack-mountable?
Yes. Cisco specifically identifies this model as rack-mountable, making it suitable for professional network closets and equipment rooms.
What types of deployments are best suited for the CBS350-24T-4X?
It is well suited for small and medium-sized businesses, branch offices, server rooms, professional workgroups, schools, retail networks and other non-PoE environments requiring 24 Gigabit access ports, managed networking and high-speed 10GbE uplinks.