[Openvpn-users] VPN recovery after brief network outage

[Henning Schulze-Lauen <henning.schulze-lauen@xxxxxxxxxxx>]

Summary: How fast should I expect a recovery of VPN traffic are 
a brief network outage?

I am running an OpenVPN client over a WLAN with bad signal 
quality. When the WLAN connection goes down, it quickly 
reconnects automatically. Tunnel traffic, however, breaks down 
for good, even when the connection was down only a few seconds. 
It does not recover until about 3 minutes later, when the 
process has been restarted with a "SIGUSR1" by ping-restart.

I have tried to play around with the --ping-restart ## option, 
to no avail. My suspicion was that the --ping-restart value is 
overridden from the server side (over which I have no control) 
to 120, as the log says during connecting:

    PUSH: Received control message: 'PUSH_REPLY,redirect-gateway 
    def1,dhcp-option DNS ###.###.67.2,setenv nameserver 
    ###.###.67.2,route-gateway ###.###.30.1,ping 10,ping-restart 
    120,ifconfig ###.###.30.45 255.255.255.0'

So my question comes down to whether the claim on OpenVPN's 
homepage that "tunnel traffic will immediately resume" just 
refers to the --ping-restart mechanism, or whether there is 
anything else which I can do in terms of configuration to ensure 
a quick resumption of tunnel traffic.

Version was 2.0, and I now use 2.1 beta 11.

Best regards,
Henning

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