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SG250-26
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- Cisco SG250-26 26-Port Gigabit Smart Switch
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
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SG250-26 Overview
SG250-26 is a high-performance managed switch built to empower small and medium-sized businesses with reliable connectivity and advanced network management. It features a robust architecture that integrates essential Layer 2 switching and basic Layer 3 routing capabilities to support secure, scalable networks.
Designed with an AC power supply and a non-POE configuration, the SG250-26 offers 24 high-speed 10/100/1000 Ethernet ports complemented by combo uplink ports for flexible connectivity options. Its rack-mount design, efficient stacking support, and optimized switching capacity make it well suited for enterprise edge deployments, unified communications, and branch office connectivity.
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SG250-26 Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 |
| Form Factor | Rack-mount |
| Power Consumption | 24W |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | SG250-26 |
| Uplink Configuration | 1G |
| IOS | LAN Lite |
| POE Support | Non POE |
| SFP Ports | Combo |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | N/A |
| Flash Memory | 32 MB |
| Switching Capacity | 32 Gbps |
| Switching Capacity With Stacking | N/A |
| Product Name | Cisco Small Business SG250-26 |
| Height | 1.73 inches |
| Width | 17.5 inches |
| Depth | 11.3 inches |
| Weight | 7.2 lbs |
SG250-26 Use Case
VLAN-Based Network Segmentation for Mid-Sized Office Environments
In a mid-sized corporate office with mixed voice, video conferencing and data traffic, the Cisco SG250-26 26-Port Gigabit Smart Switch enables administrators to create up to 24 VLANs and apply QoS policies for VoIP priority. This segmentation minimizes broadcast domains, reduces latency for unified communications and enforces departmental security, delivering a reliable, high-performance LAN infrastructure with simplified management via Cisco’s web GUI.
Power over Ethernet (PoE) Deployment for Retail Branch Connectivity
For multi-location retail outlets deploying IP cameras, point-of-sale terminals and wireless access points, the SG250-26 provides eight PoE+ ports with up to 30W per port and robust Layer 2 switching features. Centralized PoE eliminates separate power injectors, speeds device roll-out, and leverages VLAN segmentation to isolate guest Wi-Fi and secure transaction data—ensuring consistent uptime and streamlined operations across all sites.
High-Bandwidth Uplink and Redundancy for Educational Campus Networks
In K–12 and higher-education labs requiring seamless digital learning, the Cisco SG250-26 uses Link Aggregation Control Protocol (LACP) to combine uplink ports into a 2-10Gbps trunk for increased bandwidth and failover protection. With advanced QoS, IGMP snooping and SNMP monitoring, IT teams can prioritize video streaming and collaborative tools, guaranteeing uninterrupted access to e-learning platforms and simplified network diagnostics.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 11.3 inches | 14.53 inches | 12.2 inches | 7.72 inches | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Flash Memory | 32 MB | 64 MB | 64 MB | 16 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Desktop / Rack-mount | Desktop / Rack-mount | Desktop / Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches | N/A |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| IOS | LAN Lite | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG250-26 | SG250-50 | CBS250-24T-4G | CBS250-8FP-E-2G | CBS250-8P-E-2G |
| Media Type Supported | Twisted Pair | Twisted Pair / Combo | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 64 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 48 Ports | 24 Ports | 8 Ports | 8 Ports |
| Number of Ethernet Ports | 24–48 Ports | Over 48 Ports | 12–24 Ports | Under 12 Ports | Under 12 Ports |
| POE Support | Non POE | Non POE | Non POE | POE | POE+ |
| Port/Expansion Slot Details | N/A | 48 x 10/100/1000 ports with 2 combo uplink ports | 24 RJ45 ports and 4 combo uplink ports | N/A | 8 PoE ports; 2 combo uplink ports |
| Power Consumption | 24W | 35 W | 29 W | N/A | 33 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Small Business SG250-26 | Cisco Business 250 Series SG250-50 Switch | Cisco Business CBS250-24T-4G Switch | Cisco Business CBS250-8FP-E-2G | Cisco Business CBS250-8P-E-2G Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | Combo | Combo | 4 SFP Ports | Combo | Combo |
| Switching Capacity | 32 Gbps | 104 Gbps | 32 Gbps | 10.56 Gbps | 16 Gbps |
| Switching Capacity with Stacking | N/A | N/A | N/A | N/A | N/A |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 7.2 lbs | 16.5 lbs | 11 lbs | 4.0 lbs | N/A |
| Width | 17.5 inches | 17.32 inches | 14.5 inches | 9.13 inches | N/A |
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Questions & Answers
Q
What are the key features of the Cisco SG250-26 Gigabit Smart Switch?
A
The Cisco SG250-26 offers 26 Gigabit Ethernet ports, advanced Layer 2 switching, VLAN support, QoS, link aggregation, IPv6 compatibility, CLI and web-based management, and Energy Efficient Ethernet.
Q
How many ports and what speed does the SG250-26 provide?
A
The SG250-26 features 24 10/100/1000 Mbps RJ-45 ports plus two Gigabit SFP uplink ports for high-speed fiber connectivity.
Q
Can I create VLANs on the SG250-26?
A
Yes, the SG250-26 supports up to 256 VLANs with IEEE 802.1Q tagging for flexible network segmentation and traffic isolation.
Q
What is the switching capacity and forwarding rate of the SG250-26?
A
The SG250-26 delivers a switching capacity of 56 Gbps and a packet forwarding rate up to 41.66 Mpps for efficient data throughput.
Q
Does the SG250-26 offer web-based and command-line management?
A
Yes, it provides an intuitive web GUI and a full-featured CLI, enabling flexible configuration, monitoring, and troubleshooting.
Q
Is Power over Ethernet (PoE) supported on the Cisco SG250-26?
A
No, the SG250-26 does not include PoE; for PoE capabilities choose the SG250-26P variant.
Q
What Quality of Service (QoS) features are available?
A
The SG250-26 supports eight priority queues, IEEE 802.1p traffic prioritization, DiffServ, and traffic shaping to optimize performance.
Q
How do I configure link aggregation on the SG250-26?
A
Access the web GUI, navigate to Switch > Link Aggregation, then create a static or LACP-based port channel by selecting member ports and saving the profile.
Q
Does the SG250-26 support IPv6?
A
Yes, the SG250-26 fully supports IPv6 addressing, Neighbor Discovery, and allows IPv6 management alongside IPv4.
Q
What security features are included with the SG250-26?
A
It includes port security, DHCP snooping, IP Source Guard, 802.1X authentication, ACLs, and DoS attack prevention for robust network protection.
Q
Does the SG250-26 support multicast optimization?
A
Yes, the SG250-26 features IGMP snooping and Multicast VLAN Registration to efficiently manage and filter multicast traffic.
Q
Is it possible to stack multiple SG250-26 switches?
A
No, the SG250-26 does not support physical stacking; instead, use Link Aggregation Groups or centralized management tools for unified operation.
Q
How do I update the firmware on my Cisco SG250-26?
A
Download the latest firmware from Cisco’s support portal and upgrade via the web GUI’s Firmware Update section or via CLI using TFTP.
Q
What power consumption and physical dimensions does the SG250-26 have?
A
The SG250-26 consumes approximately 10.97 W (idle) and measures 1.72” × 17.5” × 9.9” (H × W × D) for standard 1U rack mounting.
Q
What warranty and support options are available with the SG250-26?
A
Cisco provides a limited lifetime hardware warranty, 90 days of software support, and optional Smart Net Total Care for 24/7 technical assistance.
Q
How does the SG250-26 differ from an unmanaged switch?
A
Unlike unmanaged switches, the SG250-26 offers advanced management features such as VLANs, QoS, security policies, link aggregation, and monitoring tools.
