322 | Link Layer Discovery Protocol (LLDP)
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Figure 18-7.  Configuration and Interface mode LLDP Commands
Enabling LLDP
LLDP is disabled by default. You can enable and disable LLDP globally or per interface. If you enable 
LLDP globally, all up interfaces send periodic LLDPDUs. To enable LLDP, follow these steps:
Disabling and Undoing LLDP
• Disable LLDP globally or for an interface using the disable command.
• Undo an LLDP configuration by preceding the relevant command with the keyword 
no command.
Step Task Command Command Mode
1 Enter Protocol LLDP mode.
protocol lldp
CONFIGURATION or INTERFACE
2 Enable LLDP.
no disable
PROTOCOL LLDP
R1(conf)#protocol lldp
R1(conf-lldp)#?
advertise               Advertise TLVs
dcbx                    Configure Dcbx Parameters
disable                 Disable LLDP protocol globally
end                     Exit from configuration mode
exit                    Exit from LLDP configuration mode
fcoe                    Configure priority bits for FCoE traffic
hello                   LLDP hello configuration
iscsi                   Configure priority bits for ISCSI traffic
mode                    LLDP mode configuration (default = rx and tx)
multiplier              LLDP multiplier configuration
no                      Negate a command or set its defaults
show                    Show LLDP configuration
R1(conf-lldp)#exit
R1(conf)#interface tengigabitethernet 1/31
R1(conf-if-te-1/31)#protocol lldp
R1(conf-if-te-1/31-lldp)#?
advertise               Advertise TLVs
dcbx                    Configure Dcbx Parameters
disable                 Disable LLDP protocol on this interface
end                     Exit from configuration mode
exit                    Exit from LLDP configuration mode
hello                   LLDP hello configuration
mode                    LLDP mode configuration (default = rx and tx)
multiplier              LLDP multiplier configuration
no                      Negate a command or set its defaults
show                    Show LLDP configuration
no                      Negate a command or set its defaults
show                    Show LLDP configuration
R1(conf-if-te-1/31-lldp)#