On Linux systems the routing table maps destinations to the router and network interface that IP must use to reach that destination.
When adding routes persistently care should be taken to make sure that routes that you add do not already exist in the persistent configuration.
A HowTo article to add or edit the Default Gateway or Default Router in Sun Solaris Operating System.
This cheatsheet provides the basic command syntax to use for some common network administration tasks under Solaris 11.
This post provides the steps needed to create an aggregated network interface and cofigure a networker address in Solaris 11
Duplicate IP address results in network/physical failed with exit status 96