Applies to ONTAP 9 Automated nondisruptive ONTAP upgrade (ANDU) LIF failover L2 reachability Issue ANDU may fail to start, citing LIF failover issues Investigation of network port health indicates lay...Applies to ONTAP 9 Automated nondisruptive ONTAP upgrade (ANDU) LIF failover L2 reachability Issue ANDU may fail to start, citing LIF failover issues Investigation of network port health indicates layer 2 (L2) reachability issues: ::> set adv ::*> network port show -health