Reference Guide
rx Rx only
tx Tx only
R1(conf-lldp)#mode tx
R1(conf-lldp)#show config
!
protocol lldp
 advertise dot1-tlv port-protocol-vlan-id port-vlan-id
 advertise dot3-tlv max-frame-size
 advertise management-tlv system-capabilities system-description
 mode tx
 no disable
R1(conf-lldp)#
no mode
R1(conf-lldp)#show config
!
protocol lldp
 advertise dot1-tlv port-protocol-vlan-id port-vlan-id
 advertise dot3-tlv max-frame-size
 advertise management-tlv system-capabilities system-description
 no disable
R1(conf-lldp)#
Configuring Transmit and Receive Mode
After you enable LLDP, Dell Networking systems transmit and receive LLDPDUs by default.
To configure the system to transmit or receive only and return to the default, use the following 
commands.
• Transmit only.
CONFIGURATION mode or INTERFACE mode
mode tx
• Receive only.
CONFIGURATION mode or INTERFACE mode
mode rx
• Return to the default setting.
CONFIGURATION mode or INTERFACE mode
no mode
Example of Configuring a Single Mode
R1(conf)#protocol lldp
R1(conf-lldp)#show config
!
protocol lldp
 advertise dot1-tlv port-protocol-vlan-id port-vlan-id
 advertise dot3-tlv max-frame-size
 advertise management-tlv system-capabilities system-description
 no disable
R1(conf-lldp)#mode ?
rx Rx only
tx Tx only
R1(conf-lldp)#
mode tx
R1(conf-lldp)#show config
!
protocol lldp
 advertise dot1-tlv port-protocol-vlan-id port-vlan-id
 advertise dot3-tlv max-frame-size
Link Layer Discovery Protocol (LLDP)
585










