I more or less followed the guide here. I'm able to connect to the server, I see the tun0 interface has an IP address in ifconfig, I can get off a ping or two before all traffic stops. I know the server is good because it works perfectly from an android client. syslog has a warning (not sure if this is causing the problem):

Apr  6 09:33:41 laptop NetworkManager[818]: <warn> /sys/devices/virtual/net/tun0: couldn't determine device driver; ignoring...

Same symptoms connecting from both terminal and via openvpn-network-manager. I allowed IPv4 forwarding in /etc/sysctl.conf. Not sure what else to try.

Client config file:

dev tun
proto udp
remote x.x.x.x 1194
resolv-retry infinite
ca ca.crt
cert client2.crt
key client2.key
ns-cert-type server
verb 3
  • I am having a near identical problem. Did you get some resolution? – Christian Bongiorno Feb 29 '16 at 7:54

In my case, the network where the client was connecting from was a 192.168.1.* subnet and the server side network was setup the same. I changed the subnet of one to 192.168.25.* and it started working.

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