Configuring LLDPDU IntervalsLLDPDUs are transmitted periodically; the default interval is 30 seconds.To configure LLDPDU intervals, use the following command.• Configure a non-default transmit interval.CONFIGURATION mode or INTERFACE modehelloExample of Viewing LLDPDU IntervalsR1(conf)#protocol lldpR1(conf-lldp)#show config!protocol lldpadvertise dot1-tlv port-protocol-vlan-id port-vlan-idadvertise dot3-tlv max-frame-sizeadvertise management-tlv system-capabilities system-descriptionno disableR1(conf-lldp)#mode ?rx Rx onlytx Tx onlyR1(conf-lldp)#mode txR1(conf-lldp)#show config!protocol lldpadvertise dot1-tlv port-protocol-vlan-id port-vlan-idadvertise dot3-tlv max-frame-sizeadvertise management-tlv system-capabilities system-descriptionmode txno disableR1(conf-lldp)#no modeR1(conf-lldp)#show config!protocol lldpadvertise dot1-tlv port-protocol-vlan-id port-vlan-idadvertise dot3-tlv max-frame-sizeadvertise management-tlv system-capabilities system-descriptionno disableR1(conf-lldp)#Configuring Transmit and Receive ModeAfter 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 followingcommands.• Transmit only.CONFIGURATION mode or INTERFACE modemode tx• Receive only.CONFIGURATION mode or INTERFACE modemode rxLink Layer Discovery Protocol (LLDP) 475
