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What is LAN (Local Area Network)?

A LAN is the network within a single site — the switches, cabling, Wi-Fi and devices that connect computers, printers, phones and servers in your office. Traffic on the LAN stays local and fast, typically running at gigabit speeds or better.

Why LAN matters for Australian businesses

Your network infrastructure is the foundation of your entire IT environment. Poorly designed or outdated infrastructure leads to slow performance, security vulnerabilities, and costly downtime. As businesses adopt hybrid work, cloud services, and IoT devices, a modern, well-managed network is more important than ever.

For small and medium businesses in particular, a LAN can make a real difference in maintaining a secure, efficient, and resilient IT environment. Whether you are reviewing your current setup or planning improvements, understanding the role of a LAN in your broader IT strategy will help you have more informed conversations with your IT provider and make better decisions for your business.

Related terms

WANSwitchEthernet

How All IT Services can help

At All IT Services, we help businesses across Sydney, Brisbane, Melbourne, and regional NSW implement and manage a LAN as part of our comprehensive managed IT support. If you have questions about how this fits into your IT strategy, contact our team for a no-obligation consultation.

Frequently Asked Questions

What is a LAN?

A local area network is the network covering one physical location, connecting all the devices in your office through switches, cabling and Wi-Fi access points.

What is the difference between LAN and Wi-Fi?

Wi-Fi is simply the wireless portion of your LAN. Wired and wireless devices share the same local network and resources.

How fast is a typical business LAN?

Modern business LANs run at 1 gigabit per second to the desktop, with 10 gigabit increasingly common between switches and servers.

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