Hi, We have installed oVirtNode-4.2.4 in 3 host machines and is running fine. All the hosts machines and the engine are on Public IP address space 15x.xxx.xx.xx Host1 15x.xxx.xx.xx Host2 15x.xxx.xx.xx Host3 15x.xxx.xx.xx Engine VM We wanna move the cluster nodes and the engine VM to the privaye IP address space and access them through VPN. Besides the network interfaces files, which other files can we change for a smooth transition to private IP address space Below is the current network setup on the host machines: bond0.20 - VLAN for the public bridge bond0.20 - VLAN for ovirtmgmt brigde bond0.22 - VLAN for storage briidge ovirtmgmt bridge interface: [root@host2 network-scripts]# cat ifcfg-ovirtmgmt # Generated by VDSM version 4.20.32-1.el7 DEVICE=ovirtmgmt TYPE=Bridge DELAY=0 STP=off ONBOOT=yes IPADDR=15x.xxx.xx.xx NETMASK=255.xxx.xxx.xxx BOOTPROTO=none MTU=9000 DEFROUTE=no NM_CONTROLLED=no IPV6INIT=yes IPV6_AUTOCONF=yes [root@host2 ~]# ifconfig bond0: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST> mtu 1500 ether 08:9e:01:87:ca:e1 txqueuelen 1000 (Ethernet) RX packets 4051316 bytes 1013145487 (966.2 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 14031524 bytes 17967035125 (16.7 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 bond0.20: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 08:9e:01:87:ca:e1 txqueuelen 1000 (Ethernet) RX packets 3836861 bytes 912581782 (870.3 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 3183802 bytes 17125114804 (15.9 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 bond0.22: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::a9e:1ff:fe87:cae1 prefixlen 64 scopeid 0x20<link> ether 08:9e:01:87:ca:e1 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 8 bytes 648 (648.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 em1: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST> mtu 1500 ether 08:9e:01:87:ca:e1 txqueuelen 1000 (Ethernet) RX packets 2591947 bytes 739574288 (705.3 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 9112112 bytes 11340058277 (10.5 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 em2: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST> mtu 1500 ether 08:9e:01:87:ca:e1 txqueuelen 1000 (Ethernet) RX packets 1459369 bytes 273571199 (260.8 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 4919412 bytes 6626976848 (6.1 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 genev_sys_6081: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 65000 inet6 fe80::3807:70ff:feb3:15d1 prefixlen 64 scopeid 0x20<link> ether 3a:07:70:b3:15:d1 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 8 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Local Loopback) RX packets 11464303 bytes 90848049840 (84.6 GiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 11464303 bytes 90848049840 (84.6 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ovirtmgmt: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 15x.xxx.xx.xx netmask 255.255.255.240 broadcast 15x.xxx.xx.xx inet6 fe80::a9e:1ff:fe87:cae1 prefixlen 64 scopeid 0x20<link> ether 08:9e:01:87:ca:e1 txqueuelen 1000 (Ethernet) RX packets 4050802 bytes 916285919 (873.8 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 2955965 bytes 17099409954 (15.9 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 p2p1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether 90:e2:ba:3d:90:f4 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 p2p2: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether 90:e2:ba:3d:90:f5 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 192.168.124.1 netmask 255.255.255.0 broadcast 192.168.124.255 ether 52:54:00:bd:16:db txqueuelen 1000 (Ethernet) RX packets 5260 bytes 3927233 (3.7 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 5590 bytes 3342473 (3.1 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 vnet0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::fc16:3eff:fe05:44 prefixlen 64 scopeid 0x20<link> ether fe:16:3e:05:00:44 txqueuelen 1000 (Ethernet) RX packets 8952 bytes 17748713 (16.9 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 14842 bytes 4166526 (3.9 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 -- Regards, Sakhi Hadebe Engineer: South African National Research Network (SANReN)Competency Area, Meraka, CSIR Tel: +27 12 841 2308 <+27128414213> Fax: +27 12 841 4223 <+27128414223> Cell: +27 71 331 9622 <+27823034657> Email: sakhi@sanren.ac.za <shadebe@csir.co.za>