Link aggregation means you can give one IP address to two network cards and connect to two different switches for redundancy purpose. One network card will be active on one time.
Devices à communication à Etherchannel/IEEE 802.3 ad Link Aggregation à Add an etherchannel / Link aggregation
Select ent0 and mode 8023ad
Select backup adapter as redundancy ex: ent1
Automatically virtual adapter will be created named ent2.
Then put IP address : smitty tcpip à Minimum configuration and startup à select ent2 à Put IP address