Re: [Openvpn-users] Routes disappearing...

[f00ty <footplus@xxxxxxxxx>]

On 4/12/06, BlaaT 0001 <blaat0001@xxxxxxxxx> wrote:
> Hello,
>
> I was having a similiar issue with routes disappearing. The routes set
> up by OpenVPN for it's own internal use (the /30 and /32 subnets)
> remained untouched, routes to the network behind the OpenVPN server
> disappeared however.
>
> I connect from work to my home server using Windows XP as a client and
> a Linux OpenVPN server. The TLS expiring keys were causing my
> connection to get a "soft-reset" every hour which resulted in the
> routes disappearing.
>
> IPAPI first deleted the routes succesfully and after reconnecting
> added the routes successfully according to my log files. The routes
> were however not succesfully added.
>
> It turned out that the TAP/TUN device under Windows XP needed more
> time to come back up again. Adding routes to an interface that is down
> will not work.
>
> I used the following directive to solve it:
> > route-delay 20
>
> This causes OpenVPN to wait for 20 seconds after authenticating
> succesfully before adding the routes to my routing table. I don't know
> if this directive also reflects to the "iroute" directive which
> controls OpenVPN's internal routing.
>
> Looking at your problem my best guess would be that you're having
> problems with the "iroute" directive. Your routing table is OK, but
> OpenVPN's internal routing is not working correctly.
>
> Perhaps you could try the following directives:
>
> route-delay 20
> persist-tun
>
> Hopefully this will result in OpenVPN being able to succesfully
> rebuild its internal routing table (not your kernel routing table)
> when a ping-restart (keepalive) restart caused by your proxy server
> happens.
>

Hmm i already have persist-tun due to privilege conservation reasons,
and ping-restart, but i did not have the route-delay one. I'll give it
a try :)

Thanks for your replies :)

--
f00ty
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