Cluster Switch Looses ISL after RCF upgrade Last updated Save as PDF Share Share Tweet Share Views:30Visibility:PublicVotes:0Category:fabric-interconnect-and-management-switchesSpecialty:hwLast Updated: Applies to Cisco Cluster Switches Issue ISL not showing on cluster switches 1 node panics when attempting to migrate cluster lifs back home or second switch reboot Ports show online from cluster