Before change: -------------- NetworkName: natnet1 IP: 192.168.16.2 NetworkMask: 255.255.255.0 lowerIPAddress: 192.168.16.137 upperIPAddress: 192.168.16.200 Enabled: Yes NetworkName: natnet1 IP: 192.168.16.1 Network: 192.168.16.0/24 IPv6 Enabled: No IPv6 Prefix: fd17:625c:f037:2::/64 DHCP Enabled: Yes Enabled: Yes loopback mappings (ipv4) 127.0.0.1=2 After change: ------------- NetworkName: natnet1 IP: 192.168.15.2 NetworkMask: 255.255.255.0 lowerIPAddress: 192.168.15.137 upperIPAddress: 192.168.15.200 Enabled: Yes NetworkName: natnet1 IP: 192.168.15.1 Network: 192.168.15.0/24 IPv6 Enabled: No IPv6 Prefix: fd17:625c:f037:2::/64 DHCP Enabled: Yes Enabled: Yes loopback mappings (ipv4) 127.0.0.1=2 Nov 03 20:08:10 iscsi dhclient[604]: DHCPRELEASE on enp0s9 to 192.168.16.2 port 67 Nov 03 20:08:10 iscsi dhclient[617]: DHCPDISCOVER on enp0s9 to 255.255.255.255 port 67 interval 8 Nov 03 20:08:10 iscsi dhclient[617]: DHCPREQUEST of 192.168.16.137 on enp0s9 to 255.255.255.255 port 67 ---> Nov 03 20:08:10 iscsi dhclient[617]: DHCPOFFER of 192.168.16.137 from 192.168.15.2 ---> Nov 03 20:08:10 iscsi dhclient[617]: DHCPACK of 192.168.16.137 from 192.168.15.2 Nov 03 20:08:10 iscsi dhclient[617]: bound to 192.168.16.137 -- renewal in 507 seconds.