Keep-alive does not keep the connection alive

[Ivan Labáth]

Hello,

I notice you are using dynamic ips for server.
On the client, is the server peer ip correct?

Regards,
Ivan

On Sun, Aug 25, 2019 at 06:44:53PM +0000, Hendrik Friedel wrote:
> Hello,
> 
> thanks for your reply.
> It is linux (Kernel 5.x) in both cases.
> 
> Regards,
> Hendrik
> 
> ------ Originalnachricht ------
> Von: "Vasili Pupkin" <diggest at gmail.com>
> An: "Hendrik Friedel" <hendrik at friedels.name>
> Cc: wireguard at lists.zx2c4.com
> Gesendet: 25.08.2019 17:59:59
> Betreff: Re: Keep-alive does not keep the connection alive
> 
> >What OS is running on client side? I have this issue on Win7 client,
> >can explain it further, it has nothing to do with keepalives though,
> >it is a bug in tun adapter implementation
> >
> >On Sun, Aug 25, 2019 at 6:38 PM Hendrik Friedel <hendrik at friedels.name> wrote:
> >>  I have a setup in which the Server IP is known, whereas the Client IP is changing. Thus, I rely on the Client to connect to the Server. I want the Client to keep the connection alive all the time though, so that the Server can also initiate a connection to the Server when needed. Both, client and server are behind a NAT/Router.
> >>  I would think, that the "PersistentKeepalive = 25" on the Client would ckeep the connection open. The connection works fine while used. But after a while, I cannot connect from the Server to the client anymore.
> >>  I would assume that a ping from the Client to the IP of the endpoint would help to re-alive the connection - but it does not.
> >>
> >>  Only after a wg-quick down and up all is fine again.
> >>
> >>  Below some more information.
> >>
> >>  Can you help me to find, what I am doing wrong?
> 
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