Keep-alive does not keep the connection alive
laszlo.kertesz at gmail.com
Wed Aug 28 08:17:32 CEST 2019
I too use a server with dynamic ip. And the clients (Android, Linux) tend
to lose connectivity permanently if the server's ip changes. With or
The dynamic ip's dns entries are updated almost instantly when the ip
changes so this is not dns related. Wireguard does not try to re establish
connection, it keeps using the server ip acquired at the tunnel's start.
Only way around this is restarting the interface.
On Mon, Aug 26, 2019, 21:08 Ivan Labáth <labawi-wg at matrix-dream.net> wrote:
> I notice you are using dynamic ips for server.
> On the client, is the server peer ip correct?
> 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>
> > >> 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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