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    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/What_impact_is_caused_when_disabling_CDP_and_LLDP_on_ONTAP
      Applies to ONTAP 9 Cisco Discovery Protocol (CDP) Link Layer Discovery Protocol (LLDP) Answer Disabling these protocols prevents ONTAP from detecting the neighbor information. The cluster network and ...Applies to ONTAP 9 Cisco Discovery Protocol (CDP) Link Layer Discovery Protocol (LLDP) Answer Disabling these protocols prevents ONTAP from detecting the neighbor information. The cluster network and switchless configuration detection use these protocols to view the information of neighboring devices that are connected to each port of the nodes. Additional Information In order to add a switch when CDP and LLDP are disabled, use system cluster-switch create command