Multichannel VPN – Connection refused (code=111)

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This topic contains 3 replies, has 0 voices, and was last updated by  btklister 6 years, 5 months ago.

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  • #43450

    btklister
    Participant

    Hi

    I successively implemented a Single Channel LAN to LAN VPN following this tutorial: http://www.ieee754.org/?p=17 . However when i add another interface, the new VPN link can´t be establish, showing code 111 error.

    Anyone knows what i’m doing wrong?

    Thanks

    #52475

    btklister
    Participant

    my firewall rules on both sites are the following:

    #52476

    redfive
    Participant

    Firewall rules , so written , are not necessary , since the default policy is accept , (could be very useful for logging/debugging purpose, but your logging is disabled) and in any case are irrelevant, since the connection seems refused by the vpn server.
    It is a bit hard to help you, ….. are the roles correct (server/client) on both links? psk match ? is remote host’s pubblic ip correct ? try enabling logging and take a look about what really happen on pppX interfaces , (it looks like a ip/psk/role mismatch…)

    #52477

    btklister
    Participant

    The WAN port of my VPN server is connected to a router/firewal and thus to ASDL line. For some reason the router/firewall doesn´t let me add multiple VPN to the same machine. I replace the ADSL line with a PPP interface and now it’s working, however i still have to figure out whats wrong with the router.

    Out of context: In my configuration (2 PPP links on one side and 1 PPP on other side) i get lots of out-of-order packets, leading to a very small BW increase. Any thoughts? I have read about changing the tcp reordering parameter in the bonding driver, does it worth it?

    #52478

    btklister
    Participant

    Solved.

    The problem were in the ADSL router. The VPN ports were blocked.

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