lldp run is a Cisco IOS global configuration command that enables LLDP, which is disabled by default. After activation, LLDP operates on interfaces unless transmission or reception is selectively disabled. section 1.2.1 section 1.3
Enable and verify LLDP
R1# configure terminal R1(config)# lldp run R1(config)# do show lldp Global LLDP Information: Status: ACTIVE LLDP advertisements are sent every 30 seconds LLDP hold time advertised is 120 seconds LLDP interface reinitialisation delay is 2 seconds The default advertisement timer is 30 seconds, holdtime is 120 seconds, and reinitialization delay is 2 seconds. Use lldp timer seconds, lldp holdtime seconds, or lldp reinit seconds to change them. section 1.2.1
Use these commands to control and verify LLDP:
- [no] lldp transmit and [no] lldp receive independently enable or disable LLDP transmission and reception on an interface. section 1.2.1
