Description
Routing and Switching Protocols
Routing and switching protocols are used by the SG300-28SFP-K9-NA switch to manage network communication and routing. The protocols supported by the switch include:
- Routing Protocols:
- Static Routing: Defines fixed routes for network traffic.
- Routing Information Protocol (RIP): A distance-vector routing protocol that updates routing tables based on hop count.
- Open Shortest Path First (OSPF): A link-state routing protocol that calculates the shortest path to a destination network.
- Switching Protocols:
- Spanning Tree Protocol (STP): Prevents loops in the network by selecting a single active path between switches.
- Rapid Spanning Tree Protocol (RSTP): An improved version of STP that provides faster convergence.
- Multiple Spanning Tree Protocol (MSTP): Enables multiple STP instances to run on the network, allowing for multiple network topologies.
- VLAN Support: The switch supports VLANs, allowing for the creation of virtual LANs for better network management and segmentation.
- Link Aggregation Control Protocol (LACP): A protocol used to bundle multiple physical links into a single logical link for increased bandwidth and redundancy.
- Quality of Service (QoS): A set of technologies used to manage network traffic and prioritize important traffic over less critical traffic.
- IGMP Snooping: A protocol used to manage multicast traffic and prevent network congestion.
- DHCP Server: A server that automatically assigns IP addresses to devices on the network.
Power Management Features
The Cisco SG300-28SFP-K9-NA is a small business managed layer 3 switch that provides power management features to help conserve energy and reduce operating costs. Some of the power management features include:
- Energy Efficient Ethernet (EEE): The switch supports Energy Efficient Ethernet (EEE), which reduces power consumption during periods of low network activity.
- Power over Ethernet (PoE): The switch supports Power over Ethernet (PoE), which allows the switch to power compatible devices such as IP phones, wireless access points, and security cameras. This eliminates the need for separate power sources for these devices.
- Power saving modes: The switch supports power saving modes that reduce power consumption during periods of low network activity. This includes sleep mode, which reduces power consumption when the switch is not in use, and cable-length power reduction, which adjusts power based on the length of the Ethernet cable.
- Port control: The switch provides fine-grained control over individual ports, allowing administrators to enable or disable PoE, control port speed and duplex, and adjust power levels.
- Energy monitoring: The switch provides energy monitoring capabilities, allowing administrators to track power consumption and identify areas where energy efficiency can be improved.
By implementing power management features, the Cisco SG300-28SFP-K9-NA can help reduce energy consumption, lower operating costs, and improve the overall sustainability of the network.
Efficient and Scalable Networking
Efficient and scalable networking of the SG300-28SFP-K9-NA switch can be achieved by following these best practices:
- Link Aggregation (LAG): Group multiple physical links together to form a single logical link, providing increased bandwidth and redundancy.
- Quality of Service (QoS): Prioritize network traffic based on application or service requirements, ensuring that critical traffic is given priority.
- VLANs: Segment the network into smaller, more manageable parts to improve network organization and management.
- Dynamic Routing: Use dynamic routing protocols, such as OSPF, to automatically update routing tables and adjust to changes in network conditions.
- Storm Control: Prevent network degradation caused by broadcast storms and multicast flooding by enabling storm control.
- Energy Efficient Ethernet (EEE): Reduce energy consumption and heat generation by enabling EEE.
- Firmware Updates: Keep the switch firmware up-to-date to ensure the best performance and security.
- Monitoring: Regularly monitor network utilization to identify bottlenecks and optimize performance as needed.
- Access Control Lists (ACLs): Use ACLs to control access to network resources, improving security and helping to prevent unauthorized access.
- DHCP Server: Use the built-in DHCP server to automatically assign IP addresses to devices on the network, making it easier to manage the network.
General Information
- Manufacturer Cisco
- Manufacturer Part Number SG300-28SFP-K9-NA
- Product Series 300
- Product Model SG300-28SFP
- Product Name SG300-28SFP Layer 3 Switch
- Product Type Layer 3 Switch
Interfaces/Ports
- Total Number of Network Ports 2
- Token Ring Port No
- LRE Port No
- Bypass No
- Modular No
- Management Port Yes
- Stack Port No
- Number of Network (RJ-45) Ports 2
- Port/Expansion Slot Details 28 x Gigabit Ethernet Expansion Slot
- Port/Expansion Slot Details 2 x Gigabit Ethernet Network
Media & Performance
- Media Type Supported Twisted Pair
- Twisted Pair Cable Standard Category 5
- Ethernet Technology Gigabit Ethernet
- Network Technology 1000Base-X
- Network Technology 10/100/1000Base-T
I/O Expansions
- Number of Total Expansion Slots 28
- Expansion Slot Type SFP
- Shared SFP Slot Yes
- Number of SFP Slots 28
Network & Communication
- Layer Supported 3
Management & Protocols
- Manageable Yes
- Management-
- Web-based Management
- SNMP v 1, 2c, and 3
- MIB
- DHCP
- VLAN
- RMON
- QoS
- Command Line Interface (CLI)
- Telnet
- SSH
Memory
- Standard Memory 128 MB
- Flash Memory 16 MB
Reliability
- MTBF 614062 Hours
Power Description
- PoE (RJ-45) Port No
- Input Voltage 120 V AC
- Input Voltage 230 V AC
- Power Source Power Supply