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A network switch is a device that helps connect devices within a network (typically LAN) and transmits data packets to and from the Ethernet internet to those devices. It is designed to send data to the single device it is intended for instead of networks of multiple devices. That single device could be another switch, router, or computer.
While a router is essential for an Internet connection, a network switch is exclusively meant for interconnecting devices. Homes and small offices usually need routers for ethernet Internet access. However, large offices, data centers, and businesses with dozens or hundreds of computers require network switches.
What are Layer 2 and Layer 3 Switches?
Network switches operate at either of the following two layers:
- OSI Layer 2 (The Data Link Layer)
- Layer 3 (The Network Layer)
Layer 2 switches forward data based on the MAC address, while Layer 3 switches use the destination IP address to route data. Some switches support both functions.
MAC address refers to the unique identifier assigned to a network interface controller (NIC) and acts as a network address during communication within a network.
Generally, most switches operate at Layer 2 and connect devices within a network using Ethernet cables. If you need to create virtual LANs, choose a switch that also operates at Layer 3.
Ethernet cables are physical cables that transfer broadband signals between devices, such as a modem, router, and computer, via Ethernet ports.
Unmanaged vs. Managed Switches
- Unmanaged Switches create additional Ethernet ports within a local network, allowing more devices to access the internet. They send data back and forth using the MAC addresses of devices.
- Managed Switches function similarly but are designed for larger networks. They allow network administrators to control traffic priorities and create Virtual LANs (VLANs) to subdivide a large network into smaller, manageable sections.
How Does a Network Switch Work?
When a device connects to a switch, the switch records the MAC address and uses it to identify the device from which outgoing packets originate and where to send incoming packets. Unlike IP addresses, which can be assigned dynamically, the MAC address remains fixed in the device’s NIC, providing a consistent identifier.
When a device sends a data packet, it enters the switch. The switch reads the packet’s header to determine the destination. It then sends the packet via the appropriate port to the destination device.
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To reduce collisions between network traffic from the switch and connected devices, most switches feature full-duplex functionality, which gives packets access to the switch’s full bandwidth.
Which Network Switch Should I Buy for My Organization?
When buying network switches for businesses, distributed enterprises, and branch offices, choosing a reliable brand is crucial. While many brands offer network switches online, Fortinet Switches stand out for their high performance, flexibility, and value, making them an excellent investment for organizations with diverse network access needs.
Fortinet’s Integrated Power-over-Ethernet (PoE) feature enables seamless integration of wireless access points, IP phones, and other PoE equipment into your network. Consider models like the FS-108E-PoE (Fortinet FortiSwitch 100 Series) or FS-224E-PoE (Fortinet FortiSwitch 200 Series). These models each offer unique advantages tailored to your needs.
- FS-108E-PoE is a Layer 2 PoE+ switch compatible with FortiGate controllers.
- FS-224E-PoE is a Layer 2/3 PoE+ switch compatible with FortiGate controllers.
Key Benefits of Fortinet Switches:
- Diverse Network Access: Fortinet switches are perfect for fulfilling varying network access requirements across organizations.
- Flexibility & Simple Installation: These switches are easy to install, and their advanced features provide excellent value.
- Scalability: The FS-108E-PoE and FS-224E-PoE support network scaling to meet the evolving needs of small to midsized businesses and distributed enterprises.
- VLAN Creation & Segmentation: With FortiSwitch VLAN features, your network can support data, voice, and wireless traffic on a single platform.
- Cost-Efficient Expansion: These switches offer network access expansion at an affordable price.
- PoE Capability: The PoE feature allows seamless integration of IP phones, WAPs, and other devices, simplifying setup.
- Optimized Port Count & Form Factor: Fortinet’s switches are designed to optimize port counts and form factors for various network environments.
If you’re looking for network switches to support your business or distributed enterprise in the UAE, consider Fortinet’s range for reliable, scalable solutions.
check out the range of Fortinet Switches available at our online store or directly contact us today for any queries or assistance.
Author: TechBlonHub
As a passionate blogger, I'm thrilled to share my expertise, insights, and enthusiasm with you. I believe that technical knowledge should be shared, not hoarded. That's why I take the time to craft detailed, well-researched content that's easy to follow, even for non-tech. I love hearing from you, answering your questions, and learning from your experiences. Your feedback helps me create content that's tailored to your needs and interests
