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
[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
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