https://community.sophos.com/sophos-xg-firewall/f/discussions/141982/dead-peer-detection---design-flaw-and-workaroundDead Peer Detection has a hidden design flaw. Dead Peer Detection is a feature designed to retry\re-establish a tunnel when a tunnel drops. You can set 3 settings in this feature for 1)how long to wait before a retry, 2)how long to wait for a responseen-USTelligent Community 12https://community.sophos.com/thread/529014?ContentTypeID=1Mon, 04 Sep 2023 22:11:15 GMT4be5eb7d-caa4-4ff5-8e60-8f9463545a35:d056ae45-ad4f-43e6-ba9a-0bdf746ab2e5Steve Klassen<p>Yeah. On July 9 (06793946 / VPN Not Reconnecting), if you read the comment on that day, it references a previous case where we adjusted some dead peer detection settings to try and resolve the issue. It was reported before July 9 when we initially started troubleshooting it.&nbsp;</p><div style="clear:both;"></div>https://community.sophos.com/thread/529013?ContentTypeID=1Mon, 04 Sep 2023 19:25:59 GMT4be5eb7d-caa4-4ff5-8e60-8f9463545a35:1aeca90c-2644-460a-b968-e8588de7f9feemmosophos<p>Hello Steve,</p> <p>Thank you for the feedback and for sharing the solution/workaround with the community.&nbsp;</p> <p>Do you have any other ticket where you troubleshoot this? The original case was opened on July 9, and the follow-up was resolved on August 31. I just wanted to make sure there was no other ticket.</p> <p>Regards,</p><div style="clear:both;"></div>