If you're familiar with sys-unconfig(1M) on Solaris 10 and earlier and it's limitations, this article is a definite must for learning about the much improved and most useful sysconfig(1M) command on Solaris 11:

This article provides four examples of how to use the new Oracle Solaris 11 sysconfig command to unconfigure a system, configure a system, interactively reconfigure a system without a full reboot, and generate a configuration profile and use that profile to noninteractively reconfigure a system.
— How to Configure Oracle Solaris 11 Using the sysconfig Command