Solaris 11.1 has now the rsyslog on board, an extended variant of the normal syslog. However the ORACLE SOLARIS 11.1—WHAT’S NEW is mistakable in this regard. Indeed the normal syslog is activated by default and it’s still activated when you have rsyslog on your machine. However rsyslog is not installed by default. When you try do disable the normal syslog and enable the rsyslog, you will get a message that there is no rsyslog.
But it’s pretty easy to install it.
Okay, now there is an instance of rsyslog in the SMF:
Now you switch to rsyslog:
And now you can start to configure the syslog in /etc/rsyslog.conf