1.- Create file where ip indicarmos modified source and destination IP
#cat ipaddresses.map
eth0:192.168.50.60 255.255.255.0 -> eth0:192.168.50.60 255.255.255.0
eth0:192.168.50.70 255.255.255.0 -> eth0:192.168.50.70 255.255.255.0
2.-We run the scrip /usr/local/psa/bin/reconfigurator.pl ipaddresses.map
If we had other virtualization software above, etc make the relevant changes to the main ip. etc.