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IPSec with PAT

I'm fairly familar with setting up an IPSec VPN tunnel but its typically where I control both ends. Now I'm tasked with setting up a tunnel to a 3rd party vendor and they're requesting I use a PAT address (so all of our traffic appears to come from one address...10.20.30.45 for example). I've got our end of the tunnel set up matching their settings but where do I set up the PAT address? I'm guessing under local networks I'd create a 'fake' network (or host?) address? From there where do I tell our firewall to change any traffic to appear from that address?

Thanks in advance

Hardware on our end is SG210 running 9.315-2, not sure on remote end


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  • Rbb, you get a lot of credit for writing that initial post so clearly and for the thought you already had put into this.  It's a pleasure!

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • Rbb, you get a lot of credit for writing that initial post so clearly and for the thought you already had put into this.  It's a pleasure!

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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