In this configuration lesson, we will focus on Cisco LLDP Configuration. To understand LLDP better, let’s check the configuration of LLDP on the Cisco IOS. The most important commands related with LLDP configuration is showed below.
RouterA(config)# lldp run
RouterA(config)# no lldp run
To specify the TLVs on the device, use “lldp med-tlv-select tlv” command. Here, tlv can be inventory-management, power-management, network-policy, location etc.
RouterA(config)# lldp med-tlv-select tlv
Like other protocols, LLDP (Link Layer Discovery Protocol) has also timers. The default values of reinit is 2, timer is 30 and holdtime is 120. Reinit is the initialization delay. Timer is the update time. And holdtime is the time that it waits without an update and then discards the entry.
LLDP timers can be configured like below:
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