This specifies the IP-address list(each IP-address is
separated by comma and the list is terminated by semi-colon) for a DHCP client,
an example would be 10.10.1.1,192.168.36.1,157.227.44.1;(no spaces in between).
If a IP option is entered again, it gets concatenated with the
previous IP data.
Maximum no. of IP addresses that can be entered at one time is 8.