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  1. #1
    Master Untangler
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    Dec 2008
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    Default Site to Site OpenVPN Remote IP Phone Issue

    Trying to see why this is happening, we have ping response between both internal devices over the Site to Site OpenVPN without any issues but the remote IP phone is registering at the main office's PBX with the correct MAC address but with and main office's local gateway IP address and not the actual IP Address assigned to it at the remote office. Any ideas?

    Panasonic Diagram.jpg

  2. #2
    Master Untangler abailey's Avatar
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    Mar 2016
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    102

    Default

    I am no expert at the Untangle OpenVPN but it sounds like NAT is an issue. Do you have NAT turned on in the OpenVPN server tab?

  3. #3
    Master Untangler
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    By default NAT OpenVPN Traffic is enabled and possibly could be a reason for the behavior, I will go ahead to disable and test, seeing if that makes any difference.

  4. #4
    Master Untangler
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    With NAT OpenVPN Traffic disabled on both sites, the IP Phone doesn't work at all, I am going to bring up NAT OpenVPN Traffic on the remote site and see what that does.

  5. #5
    Untangle Ninja sky-knight's Avatar
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    Default

    I believe you have to redistribute the client when you make that change.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  6. #6
    Untangle Junkie dmorris's Avatar
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    Nov 2006
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    San Carlos, CA
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    Default

    No, Untangle doesn't expose any settings that requires redistributing the client.
    This is why cipher, tcp/udp, port etc are hidden by default.
    Attention: Support and help on the Untangle Forums is provided by volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

  7. #7
    Untangle Ninja sky-knight's Avatar
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    Default

    Also, wasn't this fixed an age ago? Because the last time I looked Untangle site-to-site tunnels weren't subject to NAT translation unless I built a NAT rule. That NAT box he's talking about should only affect road warriors.

    Too many late nights my memory is barely functional this morning.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  8. #8
    Master Untangler
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    Dec 2008
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    I was told today that with both the office and home NAT OpenVPN Traffic being disabled, the Panasonic PBX was able to successfully register and communicate with the remote IP phone over the Site to Site VPN using OpenVPN. Haven't had any complaints from anyone else, so going to leave it as is and see how it works out. Haven't had to do this with any other remote IP Phones, etc.

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