Instead, we recommend assigning a fixed IP address through DHCP reservation. We do not recommend setting a static IP on some devices, since it may cause issues if your Internet or device goes down and then comes back online. What are static IP addresses?Ī static IP address refers to an IP address that's assigned to a device by the network administrator and does not change. Follow our guide on Enabling DHCP for more information on how to set up a fixed IP for your devices. With DHCP reservation, the DHCP lease never expires and you don't need to update the device's IP address in Lightspeed. Since IP Addresses assigned through DHCP are automatic, these IP Addresses may change in some specific instances, such as a power or network outage.ĭHCP reservation is a tool that all modern routers have that lets you reserve a fixed local IP address for specific devices. Before DHCP, configuring a new device so that it could communicate with other devices on your network required a networking expert on-site. What are DHCP Reservations and a fixed IP address?ĭynamic Host Configuration Protocol (DHCP) is a network management mechanism that automatically configures devices and assigns them IP addresses. You can enable fixed local IPs for your devices through DHCP reservations. Since Lightspeed Restaurant relies on knowing the devices' IP addresses to send them messages or commands, you'll generally want these device IP addresses to remain unchanged. All devices in your establishment must be on the same local network to communicate with each other. Your public IP address is used to connect you beyond your local network, which is why an iPad on the wrong local network can access the Internet but cannot find a printer on a different local network. You'll notice your public IP address is not the same as the IP address on your local area network. You can find your public IP by searching "What's my IP?" in any web browser. Your modem receives a public IP address that connects you to the Internet. What's the difference between a public and private IP address? However, when the Lightspeed Restaurant app downloads your Back Office configuration, it uses the Internet to retrieve your settings from the cloud. To illustrate: when your iPad sends a receipt to the printer, it uses your local network to communicate with the device. The Internet is also a network, but your local network is what connects your devices to your router and to each other. "Local network" refers to the connection between your devices within your establishment, but "the Internet" refers to the connection between your router and the outside world. What is the difference between the Internet and a local network?Įven though internet and local network connections both allow electronic devices to communicate, there are important differences between them. When setting up new devices in Lightspeed Restaurant, such as LAN receipt printers, you may need your device’s IP address to connect it to your account. It's common for IP addresses to appear as four sets of numbers separated by periods, (e.g., “192.168.0.XXX,”) with the last three digits changing based on the device. Just as mailing was made possible by implementing a system where households could be identified by a civic address, a similar process has been created with the Internet called Internet Protocol (IP). What is an IP address?Īn IP address is a string of characters that are used to identify a device on a network. In order to communicate important messages back and forth, your devices need to be on the same local area network with unique IP addresses to help them find each other. What is a network?Ī local area network (LAN) refers to the shared connection between devices within a physical location, such as your restaurant. In this article, we'll dive into networking basics so you can best understand how your devices connect and interact. Devices like printers and payment terminals use a local area network to communicate with one another and your Restaurant POS. Understanding networking is essential for ensuring that your hardware and Lightspeed Restaurant work as intended.
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