![]() ![]() ![]() ![]() For example, these are the OUIs of some common cameras manufacturers: The first segment of a MAC address, typically six digits, is called the OUI, and each manufacturer is assigned one or more unique identifiers. Since the vast majority of cameras include only a single ethernet port, the MAC address could be/is often indirectly used to describe the entire camera. In the case of cameras with multiple network connections (e.g., a camera with both a wired ethernet port and an integrated wireless radio), the device would have multiple MAC addresses. If a device has multiple network interfaces, it may have more than one single MAC address as the MAC is associated with a device's network interfaces, not the general device. Multiple Network Interface = Multiple MACs Since MAC addresses are issued at the factory and do not change, they are often used for identifying devices on a network even if the IP address is unknown or has changed. Inside, we cover the following topics and their impact on surveillance/security networks:Īll network devices (PCs, servers, cameras, switches, etc.) have a fixed address, called a MAC address (Media Access Control), a unique 12 character identifier, such as: The purpose of this guide is to explain addressing devices on IP networks, focusing on how IP cameras and recorders are used in those networks. ![]()
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