Huawei’s terminal identification system (used in iMaster NCE-Campus for fingerprinting IoT devices) officially utilizes 7 distinct methods to ensure high accuracy:
MAC OUI: Identification by the vendor prefix of the MAC address.
HTTP User-Agent: Extracting device info from browser headers.
DHCP Option: Identifying devices based on DHCP request parameters (e.g., Option 55/60).
LLDP: Using Link Layer Discovery Protocol info.
mDNS: Identifying Apple and other smart devices via multicast DNS.
SNMP Query: Actively reading MIBs from terminals.
Nmap/Proactive Scanning: Actively probing open ports and OS fingerprints.
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