<div dir="ltr">I had the exact same problem. I couldn't connect via iOS 11.2.6 on iPhone X. After upgrading to iOS 11.3 I can connect to StrongSwan again without having touched any configuration.<div><br></div><div>Although it could be that the OS was somehow stuck and the hard restart after update "cleared" it up. I should have restarted before the upgrade for a better test.</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 31 March 2018 at 16:08, Harald Dunkel <span dir="ltr"><<a href="mailto:harri@afaics.de" target="_blank">harri@afaics.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On 03/29/18 18:23, Harald Dunkel wrote:<br>
> Hi folks,<br>
><br>
> is it just me, or is IPsec broken for ios 11 (iphone)? I can establish<br>
> an IPsec connection once, but if I reconnect then the routing appears<br>
> to be broken. I cannot ping the DNServer on the remote net.<br>
><br>
> My ipad (ios 10) with a similar profile has no such problem.<br>
><br>
> Can anybody reproduce this?<br>
><br>
<br>
</span>Using the new ios 11.3 or macos 10.13.4 the problem vanished.<br>
<br>
<br>
Regards<br>
Harri<br>
</blockquote></div><br></div>