Enabling Or Disabling Lldp; Global Lldp Setting; Transmit And Receive Control - Lenovo CN4093 Application Manual

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Enabling or Disabling LLDP

By default, LLDP is enabled on the CN4093. To turn LLDP off or on, use the

following command:

CN 4093(config)# [no] lldp enable

The CN4093 can also be configured to transmit or receive LLDP information on a

port-by-port basis. By default, when LLDP is globally enabled on the switch,

CN4093 ports transmit and receive LLDP information (see the tx_rx option

below). To change the LLDP transmit and receive state, the following commands

are available:

CN 4093(config)# interface port <x>

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

CN 4093(config-if)# exit

To view the LLDP transmit and receive status, use the following commands:

CN 4093(config)# show lldp port

CN 4093(config)# show interface port <n> lldp (status of selected port)

(Turn LLDP on or off globally)

(Select a switch port)

(Do not participate in LLDP)

(Exit port mode)

(status of all ports)

Chapter 35: Link Layer Discovery Protocol