[strongSwan] Windows 7 connection dies after a few minutes, but the client never notices

Micah R Ledbetter micah at doublelinepartners.com
Wed Sep 25 01:24:58 CEST 2013

On Fri, Sep 13, 2013 at 3:29 AM, Martin Willi <martin at strongswan.org> wrote:

> The server tries to initiate an exchange, but the client does not
> respond to it. After five retransmits, the server has to assume the
> client is dead and closes the tunnel. Probably because of a DPD action
> it tries to re-establish the IKE_SA, but it cant: Because EAP
> authentication is asymmetric, only the client can re-initiate the
> tunnel.

Wanted to follow up and say: this was exactly right. I set the DPD
delay to 60 minutes (3600s) and the problem went away completely.

Thanks very much for your help.

- Micah

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