LLDP

Link layer discovery protocol

  • IEEE 802.1ab
  • EtherType = 0x88cc
  • dst MAC: 0180.c200.0000, 0180.c200.0003, 0180.c200.000e
  • MED: media endpoint discovery
  • timers
    • advertisement: 30s default
    • hold: 120s default
  • mandatory TLVs
    • port description
    • system name
    • system description
    • system capabilities
    • management address