Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch (UK) | Refresh
SKU: CBS250-24T-4X-UK-RF
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Overview of Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch (UK) | Refresh
The Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch (UK) is built for small and medium-sized enterprises that require high-speed uplinks without PoE, sophisticated traffic control and durable wired connectivity. In addition to four 10GbE SFP+ uplink ports for quick fiber connections to core switches, storage and server infrastructure, it offers 24 10/100/1000 Mbps RJ45 ports for workstations, printers, servers and other data-only endpoints. The CBS250-24T-4X, a member of the Cisco Business 250 Series, offers expanding business networks Layer 3 static routing, VLAN segmentation, Quality of Service, access control and flexible management. For branch offices, retail locations, classrooms, professional services settings and network closets that need to effectively aggregate numerous Gigabit devices, its rack-mountable design and 10G uplink capabilities make it a useful managed access switch.
Key Features of Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch
• 24 × 10/100/1000BASE-T Gigabit Ethernet RJ45 ports provide high-density wired LAN connectivity for PCs, printers, servers and data-only network devices.
• 4 × 10GbE SFP+ uplink ports support high-speed fiber or direct-attach copper connections to aggregation switches, servers, NAS appliances and network cores.
• Non-PoE design is ideal for deployments where connected endpoints have local power or PoE is provided by separate switching infrastructure.
• 128 Gbps switching capacity and 95.23 Mpps forwarding rate deliver wire-speed, nonblocking switching performance for demanding business traffic.
• Layer 3 static routing and inter-VLAN routing support efficient communication between authorized network segments without sending all local traffic to an external router.
• IPv4 and IPv6 support helps organizations deploy and manage modern dual-stack network environments.
• Up to 255 active VLANs help separate users, voice systems, guest devices, cameras, wireless networks and IoT infrastructure.
• IEEE 802.3ad LACP link aggregation increases bandwidth and resiliency for switch uplinks, servers and storage connections.
• STP, RSTP, MSTP, PVST+ and Rapid PVST+ help protect the network from Layer 2 loops and improve path resiliency.
• Advanced QoS uses traffic classification, eight hardware queues per port, rate limiting, policing, shaping, and packet remarking to prioritize voice, video, cloud and collaboration applications.
• IEEE 802.1X authentication, ACLs, RADIUS, TACACS+, DHCP snooping, Dynamic ARP Inspection, IP Source Guard and DoS protection help secure wired access.
• Cisco Business Dashboard, Cisco Business mobile app, embedded web GUI, CLI, SNMP, and zero-touch provisioning provide flexible deployment, monitoring and administration.
• Dual firmware images retain a fallback software image to support safer upgrades and quicker recovery.
• 1RU rack-mountable chassis with internal power supply supports clean installation in professional network racks.
Benefits of Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch
🗹 Connects up to 24 wired data devices from one centrally managed Gigabit switch, reducing the need for multiple smaller switches.
🗹 Prevents access-layer uplink bottlenecks with four 10GbE SFP+ ports, helping users and applications access servers, storage and cloud gateways more efficiently.
🗹 Provides a cost-effective non-PoE switching platform for workstations, printers, servers and installations where endpoint power is supplied locally.
🗹 Improves network organization and security by segmenting departments, guests, voice services, surveillance devices and IoT equipment with VLANs and access policies.
🗹 Helps maintain reliable performance for VoIP, video conferencing, cloud applications, backups and large file transfers through configurable QoS and wire-speed switching.
🗹 Enables local routing between approved VLANs, reducing unnecessary load on a firewall or router while keeping traffic policies controlled.
🗹 Strengthens business LAN security with authentication, ACLs, DHCP and ARP protections and denial-of-service defenses.
🗹 Simplifies switch lifecycle management with Cisco Business Dashboard, browser-based configuration, standard monitoring protocols and dual-image firmware resilience.
Specifications
Specifications for Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch (UK) | Refresh
| Manufacturer | Cisco |
| Manufacturer Part Number | CBS250-24T-4X-UK-RF |
| Product Name | Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch |
| 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 |
| Management ports | 1 × RJ45 console, 1 × USB Mini-B console, and 1 × USB Type-A |
| 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 8,000 entries |
| Jumbo frame support | Up to 2,000 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 |
| Layer 3 routing | IPv4 and IPv6 static routing, inter-VLAN routing, RIP v2, RIPng, DHCP relay, UDP relay, CIDR, and policy-based routing |
| 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 |
| Access control lists | Layer 2 through Layer 4 ACLs |
| ACL capacity | Up to 512 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 |
| Operating system | Customized Linux OS |
| Embedded management | Web-based GUI and configuration wizards |
| CLI access | RJ45 console, USB Mini-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 |
| LEDs | System, Link/Activity, and Speed |
| Ethernet standards | IEEE 802.3, 802.3u, 802.3ab, 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 | 27.54W with 110 VAC |
| Maximum system power consumption | 27.25W with 220 VAC |
| Maximum heat dissipation | 93.32 BTU/hr |
| Cooling | Passive cooling; fanless design |
| Acoustic noise | 0 dB; fanless operation |
| Dimensions, W × D × H | 445 × 240 × 44 mm (17.5 × 9.45 × 1.73 in.) |
| Weight | 2.78 kg (6.13 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 use supported with included rubber feet |
| Software licensing | Perpetual license; no subscription required for core switch operation |
User Guides
Frequently Asked Questions
Cisco CBS250-24T-4X 24-Port Gigabit Managed Network Switch
Frequently Asked Questions (FAQ's)
How many RJ-45 Ethernet ports does the CBS250-24T-4X have?
The switch provides 24 10/100/1000 Mbps Gigabit Ethernet RJ-45 ports, giving businesses ample connectivity for computers, printers, servers, storage devices and other wired endpoints.
Does the CBS250-24T-4X provide PoE or PoE+?
No. The CBS250-24T-4X is a non-PoE model. Connected devices requiring electrical power must use their own power source or another suitable PoE solution.
How many SFP+ ports are included?
The switch provides four 10 Gigabit SFP+ interfaces in addition to its 24 Gigabit RJ-45 ports.
Are the SFP+ interfaces 10 Gigabit capable?
Yes. The four SFP+ interfaces support 10 Gigabit Ethernet, providing high-bandwidth connections for compatible upstream switches, servers and backbone infrastructure.
What is the switching capacity of the CBS250-24T-4X?
Cisco specifies a 128 Gbps switching capacity, enabling wire-speed, nonblocking traffic movement across the switch.
What is the packet-forwarding rate?
The CBS250-24T-4X provides a forwarding performance of approximately 95.23 million packets per second (Mpps).
Why are four 10G SFP+ ports useful on a Gigabit switch?
Multiple Gigabit endpoints can generate more than 1 Gbps of aggregate traffic. High-speed 10G uplinks provide additional bandwidth toward servers, storage systems, aggregation switches and other network infrastructure.
Can the CBS250-24T-4X connect to fiber-optic networks?
Yes. Compatible optical transceivers installed in the SFP/SFP+ interfaces can provide fiber connectivity. The correct module should be selected according to speed, fiber type, wavelength, connector and transmission distance.
Can 1 Gigabit SFP modules be used in the uplink interfaces?
The Cisco Business 250 Series supports compatible SFP and SFP+ transceiver options on applicable 10G interfaces. Buyers should confirm the exact module against Cisco's compatibility information before deployment.
Is this switch suitable for connecting servers?
Yes. Servers can connect through the Gigabit RJ-45 interfaces or through compatible higher-speed uplink configurations where supported by the server hardware and selected transceiver or cabling.
Does the CBS250-24T-4X support VLANs?
Yes. VLAN capabilities allow administrators to logically segment departments, servers, guests, management systems and other network resources.
Does it support Quality of Service?
Yes. QoS capabilities help classify and prioritize important network traffic, which can improve performance for voice, video and other latency-sensitive applications.
Does the switch support link aggregation?
Yes. Link aggregation enables compatible interfaces to be grouped, giving administrators additional options for bandwidth aggregation and network design.
Does the CBS250-24T-4X support Spanning Tree?
Yes. Cisco Business 250 switches support Spanning Tree technologies designed to prevent Layer 2 loops and facilitate resilient network topologies.
Can the switch be managed through a web interface?
Yes. The CBS250 family provides a graphical web-based interface designed to simplify configuration and monitoring for small and medium-sized business networks.
Does the switch support IPv6?
Yes. The Cisco Business 250 platform provides IPv6 capabilities alongside traditional IPv4 functionality, helping businesses accommodate modern network environments.
Does the CBS250-24T-4X include a console port?
Yes. A Cisco-standard RJ-45 console port provides direct administrative connectivity for configuration and troubleshooting.
Does it have a USB port?
Yes. The switch provides a USB Type-A port for supported file and software-image management tasks.
How much memory does the CBS250-24T-4X provide?
The switch includes 512 MB of DRAM, 256 MB of flash memory and a 1.5 MB dynamically shared packet buffer, supporting its switching and management functions.
What types of deployments are best suited for the CBS250-24T-4X?
The switch is well suited for business offices, schools, retail environments, branch locations, server rooms, professional workgroups and other non-PoE networks that need 24 Gigabit access ports, smart management and high-speed 10GbE uplinks.