© Copyright Lenovo 2017 Chapter 35: Link Layer Discovery Protocol 543
Enabling or Disabling LLDP
Global LLDP Setting
Bydefault,LLDPisenabledontheCN4093.ToturnLLDPofforon,usethe
followingcommand:
Transmit and Receive Control
TheCN4093canalsobeconfiguredtotransmitorreceiveLLDPinformationona
port‐by‐portbasis.Bydefault,whenLLDPisgloballyenabledonthe switch,
CN4093portstransmitand receiveLLDPinformation(seethetx_rxoption
below).TochangetheLLDPtransmitandreceivestate,thefollowingcommands
areavailable:
ToviewtheLLDPtransmitandreceivestatus,usethefollowingcommands:
CN 4093(config)# [no] lldp enable (Turn LLDP on or off globally)
CN 4093(config)# interface port <x> (Select a switch port)
CN 4093(config-if)# lldp admin-status tx_rx (Transmit and receive LLDP)
CN 4093(config-if)# lldp admin-status tx_only (Only transmit LLDP)
CN 4093(config-if)# lldp admin-status rx_only (Only receive LLDP)
CN 4093(config-if)# no lldp admin-status (Do not participate in LLDP)
CN 4093(config-if)# exit (Exit port mode)
CN 4093(config)# show lldp port (status of all ports)
CN 4093(config)# show interface port <n> lldp (status of selected port)