You can remove the individual datalinks associated with an aggregation by using the dladm remove-aggr command. You need to reconfigure the switch when you remove links from the aggregation.
Become an administrator and use the following command:
# dladm remove-aggr -l link aggrExample 2-4 Removing a Link From an Aggregation
This example shows how to remove a link from the aggregation aggr0.
# dladm show-link LINK CLASS MTU STATE OVER net0 phys 1500 up -- net1 phys 1500 up -- aggr0 aggr 1500 up net0 net1 net3 net3 phys 1500 up -- # dladm remove-aggr -l net3 aggr0 # dladm show-link LINK CLASS MTU STATE OVER net0 phys 1500 up -- net1 phys 1500 up -- aggr0 aggr 1500 up net0 net1 net3 phys 1500 unknown --