smitty hacmp > c-spoc > communication interface management > configure communication Interfaces..... to manage interfaces on all nodes from one node
for service address, use
smitty hacmp > initialization and standard configuration > configure resources to make highly available > configure service ip labels/addresses > change/show a service ip label/address
for boot address:
smitty hacmp > extended topology configuration > configure hacmp networks > change show a network in the hacmp cluster (also for disk hb)
and for persistent address:
smitty hacmp > extended topology configuration > Configure hacmp persistent node ip label/addresses
I'm sure there are fastpaths for this