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Re: [Openvpn-users] Anyone seen this little beastie issue - Routes assigned to Improper Interface.


  • Subject: Re: [Openvpn-users] Anyone seen this little beastie issue - Routes assigned to Improper Interface.
  • From: Colin Ryan <colinr@xxxxxxxx>
  • Date: Fri, 12 Oct 2007 12:12:58 -0400

Hey folks,

Any ideas. I've seen this issue a second time now.

Colin Ryan wrote:
> Server is 2.0.9 on Linux.
> Client is 2.1rc2.
>
> Standard configuration that works on XP and On my Test Vista.
>
> But on some production machines the following occurs:
>
> * Yes running "Run as Administrator".
> * OPVPN connects just fine, get's its IP just fine, set's routes just fine.
> * Local Area IP is 192.168.2.7
> * VPN Subnets are 10.25.1.x
> * Remote network is 172.21.1.0
>
> BUT.
>
> The routes are getting assigned to the wrong Interface, i.e. the LAN 
> Interface not the TAP interface.
>
> So the routing Table ends up looking like:
>
> 172.21.1.0     255.255.255.0      10.25.1.5    192.168.2.7
>
> where it should be and I can manually change it to be:
>
> 172.21.1.0 255.255.255.0 10.25.1.5   10.25.1.6
>
> by deleting the first route and adding it back like
>
> route add 172.21.1.0 255.255.255.0 10.25.1.5 metric 2 int 16
>
> where 16 is the Interface Index for the Tap Driver.
>
> Any idea's I've never seen this before.
>
> C
>
>
>
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