ifconfig
How to Enable/Disable IP Forwarding in Solaris 10 without reboot
In Solaris 10, IP Forwarding can be enabled or disabled using the routeadm & ifconfig commands as against the ndd commands in Solaris 9 and earlier. The advantage is the change dynamic and real-time and the change persist across reboot unlike the ndd command. Enable/Disable IP Forwarding globally To globally enable IP Forwarding in Solaris [...]
How to Use ifconfig in Linux to configure your network
Entering ifconfig at the command line interface without specifying any options will provide a fairly complete description of the current state of all active network interfaces. For instance, on a machine with hostname erebus, entering ifconfig at the command line might return the following output: eth0     Link encap:Ethernet HWaddr 00:C0:F0:77:FD:AD           inet addr:192.168.2.103 Bcast:192.168.2.255 Mask:255.255.255.0          inet6 addr: fe80::2c0:f0ff:fe77:fdad/64 [...]