Further information: The hosts can ping each other and the router appliance that I am VPN'ed in through. ### Other host [root@ovirt-host-04 ~]# ping 192.168.2.18 PING 192.168.2.18 (192.168.2.18) 56(84) bytes of data. 64 bytes from 192.168.2.18: icmp_seq=1 ttl=64 time=0.283 ms 64 bytes from 192.168.2.18: icmp_seq=2 ttl=64 time=0.234 ms 64 bytes from 192.168.2.18: icmp_seq=3 ttl=64 time=0.240 ms 64 bytes from 192.168.2.18: icmp_seq=4 ttl=64 time=0.246 ms 64 bytes from 192.168.2.18: icmp_seq=5 ttl=64 time=0.251 ms ^C --- 192.168.2.18 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4110ms rtt min/avg/max/mdev = 0.234/0.250/0.283/0.026 ms ### router (which I am VPN'ed through) [root@ovirt-host-04 ~]# ping 192.168.2.1 PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. 64 bytes from 192.168.2.1: icmp_seq=1 ttl=64 time=0.225 ms 64 bytes from 192.168.2.1: icmp_seq=2 ttl=64 time=0.188 ms 64 bytes from 192.168.2.1: icmp_seq=3 ttl=64 time=0.200 ms 64 bytes from 192.168.2.1: icmp_seq=4 ttl=64 time=0.187 ms ### to ovirt controller [root@ovirt-host-04 ~]# ping 192.168.2.10 PING 192.168.2.10 (192.168.2.10) 56(84) bytes of data. ^C --- 192.168.2.10 ping statistics --- 15 packets transmitted, 0 received, 100% packet loss, time 14359ms ### from ovirt controller to the original host that started this thread [root@ovirt1 ~]# ping 192.168.2.18 PING 192.168.2.18 (192.168.2.18) 56(84) bytes of data. 64 bytes from 192.168.2.18: icmp_seq=1 ttl=64 time=0.273 ms 64 bytes from 192.168.2.18: icmp_seq=2 ttl=64 time=0.240 ms 64 bytes from 192.168.2.18: icmp_seq=3 ttl=64 time=0.241 ms 64 bytes from 192.168.2.18: icmp_seq=4 ttl=64 time=0.248 ms ^C --- 192.168.2.18 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3099ms rtt min/avg/max/mdev = 0.240/0.250/0.273/0.020 ms ### from ovirt controller to the host that was working but now is not [root@ovirt1 ~]# ping 192.168.2.19 PING 192.168.2.19 (192.168.2.19) 56(84) bytes of data. ^C --- 192.168.2.19 ping statistics --- 14 packets transmitted, 0 received, 100% packet loss, time 13329ms [root@ovirt1 ~]#