To enable all physical interfaces on Solaris:

# ifconfig -a plumb
# dladm show-dev
nge0            link: up        speed: 100   Mbps       duplex: full
nge1            link: up        speed: 100   Mbps       duplex: full
e1000g0         link: up        speed: 1000  Mbps       duplex: full
e1000g1         link: up        speed: 1000  Mbps       duplex: full