For Sun Solaris Fire Server using Linux, to change the MAC address :
1. login as root user
2. Run command to check MAS address and IP address of all network cards :
ifconfig -a
3. Run command to change MAS address of network card e1000g1 to 00:14:4f:45:19:07 :
ifconfig e1000g1 ether 00:14:4f:45:19:07
