Problems in a network can be caused by different factors. You must follow a sequence of activities to trace the problem. Several command line utilities are available in Solaris, such as ping, ifconfig, snoop, and netstat, that help you monitor and diagnose the fault in your Solaris network activity.
The most common problem is that you are not able to access a remote machine. The most basic test that you should do is to find out whether that machine is reachable or not. You can use the ping command to check whether the remote host is available on the network. The syntax used for pinging is as follows:
If you suspect that a machine is up and running but may be losing packets, use the ping –s ...