DELL S50V User Manual

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Link Layer Discovery Protocol
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Figure 26-7.  Configuration and Interface mode LLDP Commands
Enabling LLDP
LLDP is disabled by default. LLDP can be enabled and disabled globally or per interface. If LLDP is 
enabled globally, all up interfaces send periodic LLDPDUs. To enable LLDP:
Disabling and Undoing LLDP
Disable LLDP globally or for an interface using the command 
disable
.
Undo an LLDP configuration by preceding the relevant command with the keyword 
no
.
Advertising TLVs
You can configure the system to advertise TLVs out of all interfaces or out of specific interfaces.
If you configure the system globally, all interfaces will send LLDPDUs with the specified TLVs.
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
disable                 Disable LLDP protocol globally
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
R1(conf-lldp)#exit
R1(conf)#interface gigabitethernet 1/31
R1(conf-if-gi-1/31)#protocol lldp
R1(conf-if-gi-1/31-lldp)#?
advertise               Advertise TLVs
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
R1(conf-if-gi-1/31-lldp)#