IPsec tunnel unreliable when tunneling with Draytek 2860

  • Hi there,

    I'm having some issues setting up a tunnel that keeps being dropped (apparently) in the re-negotiation of second phase IKE (3600s).

    I'm using pfsense 2.2.6 latest version

    LOG: http://pastebin.com/HmCCu7cE

    Phase 1 -
    DH key group 1
    Responder only
    disabled DPD

    Phase2 -
    PFS off

  • English is not my native language so plz forgive any mistake.

    I've been in ##pfsense at freenode trying to find a solution for this problem wich user compdoc helped me with it a we raise the tunnel stability. I did also try at the end ofthe day disable re-key (it set's the  in pfsense side and VPN uptime increased to … so far 5h. (it used to be like 40m).

    Draytek is handling the 2nd fase negotiation and I noticed that by disabling re-key the pfsense sets phase 2 IKE to 0s. (don't know if it's supposed to ...)

    Draytek router is set do Dial OUT only.

  • jvata,

    I spent countless hours trying to get this to work, the fix for this is here https://forum.pfsense.org/index.php?topic=105589.msg608136#msg608136.

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