Applies to ONTAP 9.8 and later Answer ONTAP utilizes CFM Loop Back Messages (LBM/LBR) are seen during toubleshooting CFM frames using the l2ping command. Using CFM Continuity Check Message (CCM) every...Applies to ONTAP 9.8 and later Answer ONTAP utilizes CFM Loop Back Messages (LBM/LBR) are seen during toubleshooting CFM frames using the l2ping command. Using CFM Continuity Check Message (CCM) every 30 seconds for broadcast-domain reachability testing. This value is not configurable Additional Information additionalInformation_text