Hello,

yes, the Sever has a dynamic IP.

>On the client, is the server peer ip correct?
Which entry are you refering to?
I assume 
Endpoint = Dyn.IP:51820 

Yes, but otherwise, the connection would not even be established, right?

For reference, here the complete client config:
[Interface]
Address = 10.192.122.3/32
PrivateKey = xx=

[Peer]
PublicKey = yy=
Endpoint = Dyn.IP:51820
AllowedIPs = 0.0.0.0/0
PersistentKeepalive = 25

Regards,
Hendrik



------ Originalnachricht ------
Von: "Ivan Labáth" <labawi-wg@matrix-dream.net>
An: "Hendrik Friedel" <hendrik@friedels.name>
Cc: "Vasili Pupkin" <diggest@gmail.com>; wireguard@lists.zx2c4.com
Gesendet: 26.08.2019 20:02:44
Betreff: Re: Keep-alive does not keep the connection alive

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@gmail.com>
An: "Hendrik Friedel" <hendrik@friedels.name>
Cc: wireguard@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@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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