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What are the most common mistakes when selecting network switches?

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Network switches are essential devices for connecting multiple computers, printers, servers, and other devices in a local area network (LAN). They allow data to be transferred efficiently and securely between different nodes. However, selecting the right network switch for your needs can be tricky, and there are some common mistakes that can affect your network performance, security, and scalability. In this article, we will discuss what are the most common mistakes when selecting network switches, and how to avoid them.

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1 Mistake 1: Not considering your network size and growth

One of the first factors to consider when selecting a network switch is how many ports you need, and how many you might need in the future. A port is a physical interface that connects a device to the switch. The more ports a switch has, the more devices it can support. However, more ports also mean higher cost and power consumption. Therefore, you should estimate how many devices you currently have, and how many you plan to add in the next few years. You should also consider the type and speed of the ports, such as Fast Ethernet (10/100 Mbps), Gigabit Ethernet (10/100/1000 Mbps), or 10 Gigabit Ethernet (10 Gbps). The faster the port, the higher the bandwidth and the lower the latency, but also the more expensive and power-hungry.

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Derrick Tisdal

Remote Notary Public for State of Indiana and Paralegal
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Not buying enough ports for current devices can leave you scrambling for expansion later. Estimate current and future needs, factoring in additional devices or services. Ensure you have the right types of ports (e.g., Gigabit Ethernet, 10GbE) for your devices and applications. Future-proofing with higher speeds can avoid upgrades later. Managed switches offer greater control but require configuration expertise. Unmanaged switches are simpler but lack advanced features. Don't overlook essential features like Power over Ethernet (PoE), QoS (Quality of Service), VLANs (Virtual LANs), or security features you might need.

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2 Mistake 2: Not choosing the right switch type and features

Another factor to consider when selecting a network switch is the type and features of the switch. There are two main types of switches: unmanaged and managed. Unmanaged switches are simple plug-and-play devices that do not require any configuration or monitoring. They are suitable for small networks that do not need much control or customization. Managed switches, on the other hand, offer more functionality and flexibility, such as VLANs, QoS, security, and remote management. They are suitable for larger networks that need more control and optimization. However, managed switches are also more complex and expensive than unmanaged switches. Therefore, you should choose the switch type and features that match your network requirements and budget.

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Alexandru A.

Desktop Support Engineer at AbbVie
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One of the most overlooked features of a switch in small companies is Power Over Ethernet. POE allows electric power to be transferred directly over the standard Ethernet cable to compatible devices and it can make a huge difference in setting up the infrastructure because it allows to use devices without an additional power plug.

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3 Mistake 3: Not paying attention to the switch performance and reliability

Another factor to consider when selecting a network switch is the performance and reliability of the switch. Performance refers to how fast and efficiently the switch can handle data traffic and avoid congestion and bottlenecks. Reliability refers to how stable and durable the switch is, and how well it can cope with power outages, surges, or failures. Some of the indicators of performance and reliability are the switching capacity, the forwarding rate, the buffer size, the MTBF (mean time between failures), and the warranty. You should compare these indicators among different switch models and brands, and choose the one that offers the best value and quality for your network.

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4 Mistake 4: Not considering the switch placement and installation

Another factor to consider when selecting a network switch is the placement and installation of the switch. Placement refers to where you will put the switch in your network, such as on a desk, on a wall, or in a rack. Installation refers to how you will connect the switch to the power source and the network cables. You should consider the physical dimensions, the weight, the power consumption, the cooling system, and the noise level of the switch, and make sure that they are compatible with your network environment. You should also follow the manufacturer's instructions and best practices for installing and mounting the switch, and use the appropriate tools and accessories.

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5 Mistake 5: Not updating and maintaining the switch regularly

The last factor to consider when selecting a network switch is the update and maintenance of the switch. Update refers to how often and how easily you can upgrade the switch firmware and software, which can improve the performance, security, and compatibility of the switch. Maintenance refers to how often and how easily you can monitor, troubleshoot, and repair the switch, which can prevent or resolve network issues and failures. You should choose a switch that has a user-friendly interface, a comprehensive documentation, and a responsive customer support. You should also check for updates and backups regularly, and perform routine maintenance and testing on the switch.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the most common mistakes when selecting network switches?

1

2

3

4

5

6

1 Mistake 1: Not considering your network size and growth

2 Mistake 2: Not choosing the right switch type and features

3 Mistake 3: Not paying attention to the switch performance and reliability

4 Mistake 4: Not considering the switch placement and installation

5 Mistake 5: Not updating and maintaining the switch regularly

6 Here’s what else to consider

Computer Hardware

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What are the most common mistakes when selecting network switches?

1

2

3

4

5

6

1 Mistake 1: Not considering your network size and growth

2 Mistake 2: Not choosing the right switch type and features

3 Mistake 3: Not paying attention to the switch performance and reliability

4 Mistake 4: Not considering the switch placement and installation

5 Mistake 5: Not updating and maintaining the switch regularly

6 Here’s what else to consider

Computer Hardware

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