On ESXi 5.0, ifconfig information should be the information of the VMkernel NIC that attaches to the Management Network port group. You can retrieve information by using ESXCLI commands.For information corresponding to the Linux netstat command, use the following ESXCLI command.You can also ping individual hosts with the esxcli network diag ping command. The command includes options for using ICMPv4 or ICMPv6 packet requests, specifying an interface to use, specifying the interval, and so on.