200-301 Cisco Certified Network Associate (CCNA)

Which command is used to enable LLDP globally on a Cisco IOS ISR?

  • A. lldp run
  • B. lldp enable
  • C. lldp transmit
  • D. cdp run
  • E. cdp enable
Answer: Option A.
Explanation: 

Section: Network Access
Link Layer Discovery Protocol (LLDP) is an industry standard protocol that allows devices to advertise, and discover connected devices, and there capabilities (same as CDP of Cisco). To enable it on Cisco devices, we have to use this command under global configuration mode:
Sw(config)# lldp run

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