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SG300-28P
- Description:
- 26 10/100/1000 ports (24 PoE ports with 180W power budget), 2 combo mini-GBIC ports
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SG300-28P Overview
SG300-28P is a versatile, Cisco Small Business managed switch designed to deliver reliable performance in modern network environments. It integrates a robust architecture with flexible power options—supporting a standard AC power supply—and features an array of ports including 24 PoE-enabled Ethernet ports and 4 SFP uplink ports to accommodate both copper and fiber connectivity requirements.
SG300-28P is engineered for scalability and performance, making it ideal for small to medium-sized enterprises that need seamless integration without sacrificing network management capabilities. While it does not support stacking, the switch’s advanced Layer 2/Layer 3 routing features and LAN Lite IOS offer ease of installation and operational efficiency in diverse deployment scenarios.
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SG300-28P Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Desktop / Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | N/A |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair / Fiber / Combo |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | SG300-28P |
| Uplink Configuration | 1G |
| IOS | LAN Lite |
| POE Support | POE |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 24 PoE ports and 4 SFP uplink ports |
| Flash Memory | 64 MB |
| Switching Capacity | 20 Gbps |
| Switching Capacity With Stacking | N/A |
| Product Name | Cisco SG300-28P 28-Port PoE Managed Switch |
| Height | 1.73 inches |
| Width | 17.3 inches |
| Depth | 11.4 inches |
| Weight | 12.3 lbs |
SG300-28P Use Case
Enterprise Office PoE Deployment with SG300-28P-26
In a 200-seat corporate headquarters, the SG300-28P-26 delivers 24 PoE ports (180W total) and two mini-GBIC uplinks to power VoIP phones and dual-band wireless APs. IT administrators leverage its Layer 3 static routing and QoS to prioritize voice and data traffic, ensuring sub-20ms latency for conference calls. The combo mini-GBIC slots enable redundant fiber links to the data center, maximizing uptime. Outcome: unified communications remain uninterrupted, network management is centralized via the web GUI, and PoE budget covers future AP expansions without costly mid-cycle upgrades.
Multi-Floor IP Surveillance Backbone Using SG300-28P-26
A four-story medical facility implements the SG300-28P-26 as its core switch for IP cameras. Each floor’s 24 cameras connect to PoE ports, drawing up to 180W while the two mini-GBIC ports form resilient 10/100/1000 Mbps fiber uplinks to the central NVR cluster. Layer 2 multicast optimization reduces bandwidth consumption for live feeds, and Access Control Lists (ACLs) secure video streams. Outcome: high-definition surveillance operates without packet loss, simplified switch stacking lowers operational overhead, and future high-power PTZ cameras integrate seamlessly under the existing PoE budget.
Retail Chain High-Density Wi-Fi & Fiber Uplink with SG300-28P-26
In a flagship retail store, the SG300-28P-26 powers 20 indoor/outdoor Wi-Fi 6 APs via PoE, with spare ports for digital signage. Two mini-GBIC fiber links connect to regional headquarters, delivering 1 Gbps redundancy. Bandwidth allocation through advanced QoS ensures point-of-sale terminals remain isolated from guest Wi-Fi traffic. The switch’s Smartport macros automatically apply security policies to new PoE devices, expediting branch rollouts. Outcome: enhanced guest experience with seamless Wi-Fi, secure transactions, rapid store setup, and centralized monitoring—all within a single 1U footprint.
Quality Certifications
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Product Comparison Table
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| Depth | 9.4 inches | 11.4 inches | 8.5 inches | 11.2 inches | 10.8 inches |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 256 MB | 32 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount | Desktop / Rack-mount | Rack-mount | Desktop / Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 inches |
| Interface Ports | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Lite | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 Lite | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG300-10MPP | SG300-28P | SG300-28MP | SF300-48PP-K9-EU | SG300-10PP |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair | Combo |
| Memory | 256 MB | 256 MB | 128 MB | 128 MB | 64 MB |
| Number of Downlink Ports | 8 Ports | N/A | 24 Ports | 48 Ports | 8 Ports |
| Number of Ethernet Ports | Under 12 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | Under 12 Ports |
| POE Support | POE+ | POE | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | 8 PoE ports and 2 combo uplink ports | 24 PoE ports and 4 SFP uplink ports | 24 PoE ports, 4 combo SFP ports | 48 x PoE 10/100/1000 Ethernet ports, 4 x 10/100/1000 SFP uplink ports | 8 PoE ports with 2 combo uplink ports |
| Power Consumption | N/A | N/A | N/A | 370 W | 29W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Small Business SG300-10MPP | Cisco SG300-28P 28-Port PoE Managed Switch | Cisco Small Business SG300-28MP | Cisco Small Business SF300-48PP-K9-EU Managed Switch | Cisco Small Business SG300-10PP |
| 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 | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | Combo |
| Switching Capacity | 12.8 Gbps | 20 Gbps | 56 Gbps | 104 Gbps | 20 Gbps |
| Switching Capacity with Stacking | 25.6 Gbps | N/A | N/A | 104 Gbps | N/A |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 7.3 lbs | 12.3 lbs | 7.7 lbs | 14.4 lbs | 7.5 lbs |
| Width | 17.3 inches | 17.3 inches | 17 inches | 17.3 inches | 8.66 inches |
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Questions & Answers
Q
What are the key features of the Cisco SG300-28P switch?
A
The Cisco SG300-28P offers 26 Gigabit Ethernet ports (24 PoE+), 2 combo mini-GBIC SFP slots, Layer 3 static routing, advanced QoS, VLAN support, IPv6 readiness and a 180 W PoE power budget in a 1RU form factor.
Q
How many PoE ports does the SG300-28P provide and what is the total PoE power budget?
A
The SG300-28P provides 24 IEEE 802.3af/at PoE+ ports with a total power budget of 180 W, supporting up to 30 W per port for IP phones, wireless access points and cameras.
Q
Which SFP modules are compatible with the SG300-28P’s mini-GBIC ports?
A
The two combo mini-GBIC ports support Cisco SFP modules such as GLC-SX, GLC-LX, GLC-BH, and third-party IEEE-compliant 1000BASE-SX/LX for multimode or single-mode fiber connectivity.
Q
What switching capacity and forwarding rate does the SG300-28P deliver?
A
The SG300-28P delivers a switching capacity of 56 Gbps and a forwarding rate of up to 41.67 Mpps, ensuring wire-speed performance for all Gigabit ports.
Q
Does the SG300-28P support advanced VLAN configurations?
A
Yes. The SG300-28P supports up to 256 VLANs (Port-, Tag-, Protocol-, GARP-VLAN Registration Protocol) and features VLAN trunking, private VLAN, and dynamic VLAN assignment via 802.1X.
Q
What Quality of Service (QoS) features are available on the SG300-28P?
A
The SG300-28P includes 8 hardware queues, 4 priority queues, 802.1p classification, DSCP remarking, traffic shaping and scheduling to guarantee bandwidth for voice, video and mission-critical data.
Q
Can the SG300-28P be stacked or managed as a single unit?
A
No hardware stacking is available, but the SG300-28P supports Cisco’s Single IP Management, allowing up to 16 switches to be managed via one IP address through the web GUI or CLI.
Q
What management interfaces does the SG300-28P offer?
A
The SG300-28P provides a web-based GUI, CLI (Telnet/SSH), SNMP v1/v2c/v3, RMON and Cisco FindIT Network Management for comprehensive monitoring and configuration.
Q
Does the SG300-28P support IPv6 deployment?
A
Yes. The SG300-28P is fully IPv6-ready, supporting IPv6 addressing, RIPng, MLD snooping, and IPv6 ACLs to future-proof your network.
Q
What security features are built into the SG300-28P?
A
Security features include 802.1X port authentication, Dynamic ARP Inspection, IP Source Guard, DHCP snooping, ACLs, TACACS+ and RADIUS to protect against unauthorized access and threats.
Q
How energy efficient is the SG300-28P?
A
The SG300-28P implements Energy Efficient Ethernet (802.3az), idle port power down, cable length detection and fan-speed control to reduce power use and operational costs.
Q
What are the physical dimensions and noise level of the SG300-28P?
A
The SG300-28P measures 1.72″×17.5″×10.6″ (H×W×D), weighs 6.17 lbs and operates at 46 dBA (max), making it suitable for standard 19″ racks and quiet office environments.
Q
Is the SG300-28P suitable for small and medium-sized businesses?
A
Yes. With robust Layer 2/3 features, PoE+ support, advanced security and easy management, the SG300-28P is ideal for SMBs deploying voice, video and wireless networks.
Q
How is the SG300-28P powered and what is its typical power consumption?
A
The SG300-28P uses an internal external-detachable power supply and consumes approximately 50 W idle, up to 220 W at full PoE load, subject to attached devices.
Q
What warranty and support options are available for the SG300-28P?
A
Cisco provides a limited lifetime hardware warranty, 90-day software updates, and optional SMARTnet support for advanced replacement, 24×7 technical assistance and OS upgrades.
Q
How do I mount and install the SG300-28P in a rack?
A
The SG300-28P includes rack-mount kits, rubber feet for desktop deployment, front-to-back airflow design and a quick-start guide. Simply secure it in a 19″ rack and connect power and uplinks.
