A LIF (logical interface) represents a network access point to a node in the cluster. You can configure LIFs on ports over which the cluster sends and receives communications over the network.
A cluster administrator can create, view, modify, migrate, revert, or delete LIFs. An SVM administrator can only view the LIFs associated with the SVM.
A LIF is an IP address or WWPN with associated characteristics, such as a service policy, a home port, a home node, a list of ports to fail over to, and a firewall policy. You can configure LIFs on ports over which the cluster sends and receives communications over the network.
LIFs can be hosted on the following ports:
Physical ports that are not part of interface groups
Physical ports or interface groups that host VLANs
Virtual IP (VIP) ports
Beginning with ONTAP 9.5, VIP LIFs are supported and are hosted on VIP ports.
While configuring SAN protocols such as FC on a LIF, it will be associated with a WWPN.
The following figure illustrates the port hierarchy in an ONTAP system: