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    IPSec Site to Site VPN working for days, suddenly no more traffic through tunnel

    Scheduled Pinned Locked Moved IPsec
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    • G
      gesture1968
      last edited by

      Hi,

      I'm using the latest pfSense 2.3.4_p1 and have about 50 IPSec Site to Site VPN connections. All tunnels work fine, but since a few months (new pfSense updates?) after a number of days all tunnels no longer send traffic anymore. As far as I can see they seem to receive traffic, but don't send traffic. The only workaround is to stop the VPN service, and after a few seconds start it again. Then all tunnels come up and traffic is passed again both ways.

      Any suggestions? Is this a bug in the VPN server?

      Greetings,
      Gesture

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