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Re: [Openvpn-users] Unstable connection


  • Subject: Re: [Openvpn-users] Unstable connection
  • From: "Giampaolo Carmagnani" <giampaolo@xxxxxxxxx>
  • Date: Mon, 2 Apr 2007 21:47:01 -0300

On 4/2/07, Bruno Sampayo <bruno@xxxxxxxxxxxxxx> wrote:
> Hey List,
>     I have a Debian Firewall installed on my server which is running
> with a shorewall application, I'm install and configure OpenVPN 2.0
> i386-pc-linux like a master server, and everything is running fine on it.
>     Log on firewall server (Openvpn Master) when a start openvpn:
>
>     Mon Apr  2 16:36:11 2007 Socket Buffers: R=[111616->131072]
> S=[111616->131072]
>     Mon Apr  2 16:36:11 2007 UDPv4 link local (bound): [undef]:5000
>     Mon Apr  2 16:36:11 2007 UDPv4 link remote: [undef]
>     Mon Apr  2 16:36:13 2007 Peer Connection Initiated with
> 201.9.226.156:5000
>     Mon Apr  2 16:36:14 2007 Initialization Sequence Completed
>
>     I had install an openvpn on a branch office server(10.10.0.2) for
> make a VPN with my server (Debian Firewall 10.10.0.1), this branch
> office Server is behind of Router Server.
>     When I start the openvpn application on the branch office at the
> first time, the log is:
>
>        Mon Apr  2 13:48:50 2007 us=812408 Socket Buffers:
> R=[109568->131072] S=[109568->131072]                     Mon Apr  2
> 13:46:42 2007 us=833409 UDPv4 link local (bound): [undef]:5000
>        Mon Apr  2 13:46:42 2007 us=833682 UDPv4 link remote:
> 201.6.103.194:5000
>        Mon Apr  2 13:46:52 2007 us=521129 Peer Connection Initiated with
> 201.6.103.194:5000
>        Mon Apr  2 13:46:53 2007 us=737070 Initialization Sequence Completed
>
>     Ok, Until here everything is running fine, but if a stop the
> client(openvpn on branch office) and try run again, sometimes the log
> stop in this case:
>        Mon Apr  2 13:48:50 2007 us=812408 Socket Buffers:
> R=[109568->131072] S=[109568->131072]
>        Mon Apr  2 13:48:50 2007 us=812745 UDPv4 link local (bound):
> [undef]:5000
>        Mon Apr  2 13:48:50 2007 us=813024 UDPv4 link remote:
> 201.6.103.194:5000
>
>     And I don't have a Connection with the server by VPN, but sometimes
> if a stop and start again the connection's establish is fine.
>     I don't know the solution for this case, I need establish the
> connection every time when I start the openvpn on branch office, how can
> I have it? I need configure something else?.
>     Could someone help me with this problem?
>
> Obs:
> Operational system = Debian Sarge (Firewall/openvpn master)
> Operational system = Debian etch (branch office/ openvpn client)
>
>
> Thanks for help,
> Bruno Sampayo
> --
> Bruno Sampayo <bruno@xxxxxxxxxxxxxx>
> Tel.: +55(011) 50973005
> Engenharia
> Samurai Projetos Especiais


Maybe if you post your config file will help us with your problem.
I only can guess the server side doesn't see the client is down and
the port are already in use, try set ping and ping-restart parameters.

Regards e Boa Sorte ;-)

Giampaolo Carmagnani
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