On Thu, Dec 10, 2009 at 02:15:01PM +0200, Pasi Kärkkäinen wrote: > Hello, > > I'm having some problems with OpenVPN (2.1rc20) on Windows Vista. > Yeah I know, vista is crap, but I had to play with it a bit. >
I upgraded to OpenVPN 2.1.1 and the problem still happens.. > I've seen a couple of different problems: > > 1) I start the openvpn connection, and it works OK. Default gateway is > through the openvpn connection. Then I suspend (hibernate) the laptop, > and after a while when I resume from hibernation, openvpn re-connects the vpn > successfully (openvpn gui icon goes green), but sometimes the default gateway > is wrong, making the connection non-functional. > > OpenVPN related parts of "route print" when the openvpn connection works > properly: > > IPv4 Route Table > =========================================================================== > Active Routes: > Network Destination Netmask Gateway Interface Metric > 0.0.0.0 0.0.0.0 10.0.0.5 10.0.0.6 5 > 10.0.0.1 255.255.255.255 10.0.0.5 10.0.0.6 5 > > Default route points to the OpenVPN interface correctly and the connections > works OK. > > Now, after hibernate+resume, _sometimes_ (not always) the routing table > looks like this, and the connection doesn't work: > > IPv4 Route Table > =========================================================================== > Active Routes: > Network Destination Netmask Gateway Interface Metric > 0.0.0.0 0.0.0.0 10.0.0.5 18 5 > 10.0.0.1 255.255.255.255 10.0.0.5 18 5 > > Which is a bit weird.. Interface is just a number? anyway, the next variation > happens more often: > > IPv4 Route Table > =========================================================================== > Active Routes: > Network Destination Netmask Gateway Interface Metric > 0.0.0.0 0.0.0.0 10.0.0.5 169.254.108.226 5 > 10.0.0.1 255.255.255.255 10.0.0.5 169.254.108.226 5 > > > So that looks like it fails to get an IP with DHCP. > "ipconfig /all" show this: > > Ethernet adapter Local Area Connection 3: > > Connection-specific DNS Suffix . : > Description . . . . . . . . . . . : TAP-Win32 Adapter V9 > Physical Address. . . . . . . . . : 00-FF-82-51-06-E2 > DHCP Enabled. . . . . . . . . . . : Yes > Autoconfiguration Enabled . . . . : Yes > Autoconfiguration IPv4 Address. . : 169.254.108.226(Preferred) > Subnet Mask . . . . . . . . . . . : 255.255.0.0 > Default Gateway . . . . . . . . . : 10.0.0.5 > NetBIOS over Tcpip. . . . . . . . : Enabled > > So yeah.. it failed to obtain an IP with DHCP. > I saw some DHCP related fixes in the latest rc versions.. related possibly? > So it was not this, since I have the same problems with version 2.1.1. -- Pasi > Weird that the OpenVPN gui icon is still green, when obviously the openvpn > connection is broken. > > > 2) OpenVPN and other nics/connections. I had to change the OpenVPN Windows > TAP network adapter interface metric to 5 manually, to make it be the > preferred connection always. Otherwise for example the WLAN took over > the default gateway sometimes. > > Is there some way to specify the interface metric in openvpn > configuration? > > Thanks! > > -- Pasi > >
