In Flexconnect local switching deployments, the AP still relays relevant client information to the WLC (like DHCP packets and client mac address) Once a wireless client associates to the access point, the WLC performs the OUI lookup to determine the manufacturer. One vendor or manufacturer can purchase multiple OUIs.ĩ0:78:B2 - owned by Xiaomi Communications Co Ltd They are purchased from and assigned by the IEEE. First 24 bits (or 3 octets) are known as OUI (Organizationally Unique Identifier) and they uniquely identify a vendor or manufacturer. It is a 48-bit number usually written down in a hexadecimal format MM:MM:MM:SS:SS:SS. MAC address is a unique identifier of each wireless (and wired) network interface. Once device profiling is performed, it can be used to apply different local policies or to match specific RADIUS server rules.Ĭisco 9800 WLCs are capable of performing 3 types of device profiling: Components Usedĭevice profiling is a feature that offers a way to find out additional info about a wireless client that has joined the wireless infrastructure. This article provides an in-depth look into how device classification and profiling works on Cisco Catalyst 9800 Wireless LAN Controllers, describes potential use cases, configuration examples and steps necessary to troubleshoot it.
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