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- aes67_net/lldp.c: IEEE 802.1AB LLDPDU sent as a raw frame with esp_eth_transmit every 30 s (TTL 120 s) and immediately on a new IP or hostname change. TLVs: chassis/port ID (MAC), port description, system name (net.hostname), system description (project + version), capabilities station-only, IPv4 management address. - Docs: LLDP in the core Network section; step 2a ticked. - Verified on an HP 2530-8G-PoE+ (show lldp info remote-device 2): all fields shown, management address 192.168.192.244. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>