1. Enabling IPv6 in Advanced Interactive eXecutive (AIX) 7.2 and later
Enabling IPv6 in IBM AIX 7.2 and later is documented here.
2. Enabling IPv6 in i 7.5 and later
The general topic of networking in IBM i 7.5 is documented here. Enabling IPv6 in IBM i 7.6 and later is documented here.
3. Enabling IPv6 in z/OS 3.1.0 and later
Enabling IPv6 in IBM z/OS 3.1.0 and later is documented here.
4. Enabling IPv6 in z/VM 4.4 and later
Enabling IPv6 in IBM z/VM 4.4 and later is documented here.