Aix deletes ip addresses or stops ip commands. 1. Run the smit command www.2cto.com smit inet Change/Show a Standard Ethernet InterfaceType or select values in entry fields. press Enter AFTER making all desired changes. www.2cto.com [Entry Fields] Network Interface Name en1 internet address (dotted decimal) [192.168.128.20] Network MASK (hexadecimal or dotted decimal) [limit 255.0] Current STATE detach + Use Address Resolution Protocol (ARP )? Yes + broadcast address (dotted decimal) [] Interface Specific Network Options ('null' will unset the option) rfc1323 [] Listen [] tcp_nodelay [] tcp_recvspace [] tcp_sendspace [] Apply change to DATABASE only no + 2. Disable the NIC ifconfig enX downifconfig enX detach in command line mode to delete the NIC rmdev -dl etXrmdev-dl entX: Modify the hosts file vi/etc/hosts to reinstall the hardware, and the system will automatically reconfigure it.