web1# ifconfig vr0 inet 1.1.1.1 alias
web1# ifconfig
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 10.0.0.111 netmask 0xffff0000 broadcast 10.0.255.255
        inet 1.1.1.1 netmask 0xff000000 broadcast 1.255.255.255